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Nidek Medical RT-5100, Operator'S Manual

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Nidek Medical RT-5100 Operator'S Manual Download Page 221

203

TEST METHOD

Near Point of Accommodation (NPA) Test

4

4.10 Near Point of Accommodation (NPA) Test

Use: To measure the near point of accommodation
Chart: The highest VA letter chart that the patient can read correctly at the position of 40 cm away 
from the near point chart

Confirm that the “SPH Far 

 Near” parameter is set to SPH + ADD.

For the Plus Package, see "5.2.13 #19 Near point of accommodation (NPA)" (page 225).

1 

Press 

 while pressing 

.

[NPC], [NPA], [NRA], and [PRA] appear.

When the NPC test has been completed just before, skip this step.

2

Press [NPA].

Both measuring windows are opened.

*28

3

Gradually bring the chart closer to the 
patient’s eye and measure the distance 
from the chart to the root of the nose at the 
point where the chart appears blur.

4

Enter the distance with the dial.

Also possible by pressing 

 or 

.

The distance from 1 to 100 cm can be 
entered in 1 cm increments.

The accommodation is calculated automatically and the result is printed with the other data.

For example: Enter 33 cm as the distance when ADD = +2.0 D (addition powers are entered 
in far mode)

Accommodation power  = 1/0.33 – (+2.0) = 1.03 D

NPA = 33 cm: 1.03 D

*28.

Occluding either measuring window with 

 or 

 measures the near point of accommodation for either eye.

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Summary of Contents for RT-5100

Page 1: ...REFRACTOR REFRACTOR RT 5100 RT 5100 OPERATOR S MANUAL OPERATOR S MANUAL RT 5100 REFRACTOR 161221687130 承認済 Uncontrolled copy when printed ...

Page 2: ...81 3 5844 2641 Facsimile 81 3 5844 2642 NIDEK INC 47651 Westinghouse Drive Fremont CA 94539 U S A United States Agent Telephone 1 510 226 5700 Facsimile 1 510 226 5750 NIDEK S A Europarc 13 rue Auguste Perret 94042 Créteil FRANCE EU Authorized Representative Telephone 33 1 49 80 97 97 Facsimile 33 1 49 80 32 08 2016 12 34085 P902 P2 Printed in Japan Original instructions 2005 NIDEK CO LTD C 161221...

Page 3: ...thoroughly understood before using this device Keep this manual handy for verification If you encounter any problems or have questions about the device please contact NIDEK or your authorized distributor To use the functions described in this manual only for Plus Package the optional 21 Point Exams Plus Package must be installed on the RT 5100 For simplicity examples of chart type used in this man...

Page 4: ...which if not avoided may result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or property damage accident Even situations indicated by CAUTION might result in serious injury under certain conditions Safety precautions must be strictly followed at all times 161221687130 承認済 Uncontrolled copy when printed ...

Page 5: ...falls injury or device failure may result Never install the device in a place exposed to water Install the device in an environment that meets the following conditions The following conditions must be maintained during use Conditions for use Temperature 10 to 35 C 50 to 95 F Humidity 30 to 85 No condensation Pressure 800 to 1060 hPa Installation place Interior No hazardous dust or smoke A dust fre...

Page 6: ...Install the device in area where the outlet that the power plug is inserted into is easily accessible during use In addition ensure that the power cord can be disconnected without the use of a tool Otherwise it may interfere with disconnecting of the power from the input power source in case of abnormality Do not place heavy objects on the power cord A damaged power cord may cause fire or electric...

Page 7: ... the device under such abnormal conditions may cause fire or elec tric shock When the device is not in use turn it off and cover it with its dust cover If the device is not covered for an extended period the accumulation of dust may affect the data accuracy Do not touch the touch screen panel with anything other than the tip of a touch screen pen Contact with a hard or sharp object such as a ball ...

Page 8: ...ry great force Terminals or cables may become damaged Be sure to use only the printer paper 80620 00001 specified by NIDEK Other printer paper may cause improper printing and make the data unreadable Do not apply adhesive tape to the printed paper Printed characters may fade If the device is connected to a computer that does not comply with IEC 60601 1 except those that use an AC adapter that meet...

Page 9: ...sed use an isolating transformer or common protective grounding The patient environment is the volume of space in which contact can occur between the patient and any part of the device including any connected device or between the patient and any other person s touching the device Radius of 1 5 m 1 5 m 1 5 m 2 5 m 161221687130 承認済 Uncontrolled copy when printed ...

Page 10: ...esulted from improper servicing When performing maintenance work secure sufficient maintenance space Maintenance work in an insufficient space may result in injury When sending the device back to NIDEK for repair or maintenance wipe the surfaces of the device especially the areas that come into patient contact with a clean cloth dampened with ethyl alcohol for disinfection Never use organic solven...

Page 11: ...a lithium battery mounted Because the disposal method of lithium batteries varies according to the local government follow the local governing ordinates and recycling plans when disposing of the circuit board with the lithium battery It is recommended to commission the disposal to a designated industrial waste dis posal contractor Inappropriate disposal may contaminate the environment When disposi...

Page 12: ...X 161221687130 承認済 Uncontrolled copy when printed ...

Page 13: ...ctometer 30 2 2 2 From a lensmeter 32 2 2 3 Manual data entry with the dial 33 2 2 4 From an Eye Care card 34 2 2 5 Entering day and night data 35 2 2 6 Entering day and night data from ARK 10000 or OPD Scan III 36 2 3 Setting Prism Lenses 40 2 3 1 Switching between rectangular and polar coordinates 40 2 3 2 Rectangular coordinates XY 40 2 3 3 Polar coordinates rq 40 2 3 4 Removing rotary prism le...

Page 14: ... 3 Displaying Refraction Diagram 99 3 4 Presenting Near Chart 102 3 5 Range of Clear Vision 103 3 5 1 Changing power while checking the range of clear vision 108 3 6 Displaying Image Information for Explanation 110 3 6 1 Image information About Eye 110 3 6 2 Image information Vision 112 3 7 Setting Auxiliary Lenses 113 3 8 Fog Function with Both Eyes Open 115 3 9 Specifying Sub Window Display Data...

Page 15: ...m test with cross cylinder lens 157 4 2 3 Astigmatism power test with cross cylinder lens hold and remove cross cylinder testing method 158 4 3 Spherical Refinement 161 4 3 1 Red green test 161 4 3 2 Cross grid test for far vision 162 4 4 Binocular Visual Function Test 163 4 4 1 Binocular balance test 163 4 4 2 Binocular red green test 165 4 4 3 Phoria test 166 4 4 4 Phoria with fixation test 170 ...

Page 16: ...ative accommodation NRA 218 5 2 7 20 Positive relative accommodation PRA 219 5 2 8 14A Cross cylinder monocular 220 5 2 9 15A Horizontal phoria according to 14A 221 5 2 10 14B Cross cylinder binocular 222 5 2 11 15B Horizontal phoria according to 14B 223 5 2 12 19 Accommodation with addition of minus lens 224 5 2 13 19 Near point of accommodation NPA 225 5 2 14 Near point of convergence NPC 227 5 ...

Page 17: ...dard configuration 260 7 3 2 Optional accessories 260 8 APPENDIX 261 8 1 Descriptions of Power Adjustment 261 8 2 Linkage between Charts and Auxiliary Lenses 266 8 3 VA Conversion Table 267 8 4 Preset Addition Power 268 8 5 Relational Table of Age and Accommodation 269 8 6 Estimated Visual Acuity Table 270 8 7 Fog Amount in Binocular Balance 271 8 8 Standard Programs 272 8 9 Near Point Chart Stand...

Page 18: ... XVI 161221687130 承認済 Uncontrolled copy when printed ...

Page 19: ...tor s manual the keys on the control box are indicated by key representations such as or The touch buttons on the touch panel other than chart buttons are indicated by brack ets such as Div The touch panel chart buttons are indicated by button representations such as 1 2 Intended Use Instrument providing means of positioning spherical and cylindrical lenses prisms and other optical devices in fron...

Page 20: ...d rest knob 4 Forehead rest 3 VD check window 2 Near point lamp 1 Measuring window 8 Near point rod Operator s side 6 Level 9 Level adjustment 7 Near point chart Patient s side 1 Measuring window 10 Forehead rest 11 Face shield knob detection lamp 161221687130 承認済 Uncontrolled copy when printed ...

Page 21: ...us Package Used for the near vision test to measure addition powers When the chart is shifted to the left slightly the chart explanation is indicated Chart explanation For the chart on the near point chart or near point chart II see 8 9 Near Point Chart Standard page 277 and 8 10 Near Point Chart II page 279 When switching the near point chart do not rotate the near point chart while pressing the ...

Page 22: ...pylene Face shields ABS resin Measuring window clear glass VD check window acrylic resin Near point chart polyvinyl chloride Near point rod level adjustment knob aluminum alloy 1 4 2 Control box 7 Display 1 Eye Care card reader 2 Control panel 3 Right side switch 4 Dial 5 Dial switch 6 Left side switch 1 Eye Care card reader Reads objective data AR data or past lensometry data LM data via an Eye C...

Page 23: ...art Pressing either button returns to the original status Ch Lamp Turns on or off the lamp of the connected chart Near Lamp Turns on or off the lamp for near point chart in the refractor head Link off Prevents auxiliary lenses or mode from being switched with a corresponding chart key See 3 13 Link Off Function page 120 Level Align the chart to the patient s eye level when the SSC is connected Gla...

Page 24: ...a turns white when in far vision measurement mode and yellow when in near vision measurement mode Far mode is automatically selected when the power is turned on or after data is cleared Near mode is used to test the near visual function after far vision testing and addition power measurement The refractor head converges to the working distance of 40 cm variable automatically in near mode The ADD k...

Page 25: ... switches to ADD OFF Pressing this key again returns the addition power indication to its original and the addition powers are added After addition power entry the WD display appears to select the desired WD with the function key When the WD is changed with prescription mode the value is entered as the WD for prescription The mode can be switched among LM AR Subj and Final in ADD mode 5 5 VA This ...

Page 26: ...to previous ones are displayed When the item to be displayed is specified in sub window 1 the measurement mode values set previously are displayed 21 Point Exams list display 11 Page switching buttons 14 Visual function 6 Chart 21 Point Exams switching button 15 Morgan analysis button 12 21 Point Exams buttons 13 List button analysis graph button only for Plus Package 11 Page switching buttons onl...

Page 27: ...of Clear Vision button Displays the Range of Clear Vision test screen See 3 5 Range of Clear Vision page 103 4 About Eye button Displays the About Eye screen See 3 6 1 Image information About Eye page 110 5 Vision button Displays the Vision screen See 3 6 2 Image information Vision page 112 6 End button Returns to the measurement screen 7 Info button Displays information about JPEG license 8 Other...

Page 28: ...elected is displayed in the upper left corner of the screen Pressing a data key whose field is empty copies the previously displayed data into that field However pressing while no subjective value is entered copies the data in AR or LM mode according to the Preset power of Subj 1 parameter In addition pressing any data key with copies the displayed data regardless of whether or not data is contain...

Page 29: ...y is pressed or the dial is turned with this key 3 Prints the data or exports it to an external computer See 2 8 Printing page 88 4 Enters the data from an auto refractometer or lensmeter Press this key and confirm that the data No on the screen are the same with the print data No of the auto refractometer or lensmeter Select the desired data key or 5 Switches the measuring windows to be opened or...

Page 30: ... NPA positive relative accommodation PRA or negative relative accommodation NRA to be entered For each test procedure see 4 TEST METHOD page 151 7 5 Goes into the mode that allows the visual acuity to be entered with the dial When the AR or LM data has been entered press or to present an estimated visual acuity VA chart 4 7 6 Goes into the mode that allows the PD in the refractor head to be adjust...

Page 31: ...ht eye is also possible 8 2 Opens the left measuring window and places the occluder in the right measuring window Any value can be entered only for the left eye When the binocular vision test chart is selected the right eye side is not occluded but the data entry only for the left eye is also possible 8 3 Opens both measuring windows The data entry for both eyes are available 9 Displays the main m...

Page 32: ...in the upper right corner of the chart is isolated Isolates the single letter in the upper left corner of the chart 11 4 Isolate a horizontal line in the middle of the VA chart Applies the red green filter on the VA chart again Releases the red green filter 12 Pilot lamp Lights up in blue while the RT 5100 is turned on 13 Program keys See 2 5 Standard Program Refraction page 43 for programmed refr...

Page 33: ...d at 90 from the minus axis position of the cylindrical lens Clears the prism data for the right eye in prism entry mode 14 2 In the cylindrical axis measurement the cross cylinder lens is inserted so that the minus axis is located at 135 from the minus axis position of the cylindrical lens In the cylindrical power measurement the cross cylinder lens is inserted so that the minus axis is located a...

Page 34: ...is used to update the software and importing or exporting programs Do not touch here because the CF CompactFlash card in which image data is stored is inserted 2 IR receiver This is not used 3 USB connectors These are not available Do not connect anything to these connectors 161221687130 承認済 Uncontrolled copy when printed ...

Page 35: ...nnection This is not available 7 MB connector Connects to the refractor head MB 8 PR connector Connects to a printer PR 9 CB connector Connects to the control box CB 10 USB connector This is not available 6 Accessory equipment connected to the analog and digital interfaces must be certified according to respective IEC stan dards i e IEC 60950 1 for data processing equipment and IEC 60601 1 for med...

Page 36: ...ach unit The diagram below indicates the configuration of the unit type for installing the other company s table For the stand type and dedicated table type refer to the manual of the stand and table 161221687130 承認済 Uncontrolled copy when printed ...

Page 37: ...nector Switches charts Computer PC connector Inputs AR data and LM data Outputs input data NIDEK lensmeter LM connector Inputs LM data NIDEK auto refractometer AR connector Inputs AR data that is used for subjective refraction as objective values CAUTION When connecting the RT 5100 to other devices make sure that the cables do not pose a risk to the patient operator or others Also when connecting ...

Page 38: ...ied part is the forehead rest see 10 in 1 4 Configuration page 2 Indicates that when the switch is pressed to this symbol side power is not supplied to the device Indicates that when the switch is pressed to this symbol side power is supplied to the device Indicates that the RT 5100 must be supplied only with alternating current Indicates the date of manufacture Indicates the manufacturer Indicate...

Page 39: ... LURLVKL FKR 0DHKDPD DPDJRUL LFKL DSDQ 5 RQO 0 1 3 1 0 For the USA and Canada For CE and other countries For the USA and Canada SUD 㻾㼀㻙㻡㻝㻜㻜 㻾㻱㻲㻾㻭㻯㼀㻻㻾 㻯㼛㼚㼠㼞㼛㼘 㼎㼛㼤 6 5 12 㼄㼄㼄㼄 5 RQO 0 1 3 1 0 LURLVKL FKR 0DHKDPD DPDJRUL LFKL DSDQ SUD Indicates that the product is certified for the US and Canadian markets to the applicable US and Canadian standards 161221687130 承認済 Uncontrolled copy when printed ...

Page 40: ...nts of the Medical Device Directive 93 42 EEC The RT 5100 is classified as a Class I medical device according to the Medical Device Directive 22 BEFORE USE Labels Rear side of the Control Box For the USA and Canadian market 161221687130 承認済 Uncontrolled copy when printed ...

Page 41: ... Box See 1 4 3 Relay box page 16 For the USA and Canadian market For CE and other countries Printer Built in printer for ST 5100 table RT 5100S stand Stand alone printer for RT 5100U 161221687130 承認済 Uncontrolled copy when printed ...

Page 42: ...g table Auxiliary lens Marking RT 5100 ISO 10341 Red maddox rod or MR Maddox rods Pinhole plate PH or Pinhole Occluder BL or Occluder PD check lens CL or Cross line Red filter RF Red filter Green filter GF Green filter Polarizing filter PF Polarization filter Open aperture OA Open aperture Lenses for retinoscope RL Retinoscope lens 161221687130 承認済 Uncontrolled copy when printed ...

Page 43: ...ic 4 Confirm that the refractor head is level Level Level adjustment knob Turn the level adjustment knob until the air bubble is centered in the level 5 Attach the near point rod to the near point chart Knob Near point rod The scales are printed on the near point rod as shown in the diagram below When centimeters are desired to be displayed on the left as viewed from the front insert the rod with ...

Page 44: ...rinter Paper page 251 for more details For the unit or stand type of the RT 5100 For these configurations three ferrite cores are provided When the RT 5100 is connected to external devices such as an auto refractometer or a lensmeter attach the ferrite core at a position of 10 mm from the cable head of the RT 5100 relay box side of each communication cable RT 5100 relay box Ferrite core 10 mm Atta...

Page 45: ...ny error The lowest VA chart is presented in the chart presenting device 1 7 2 Restore from power saving mode When the RT 5100 is left idle for 15 minutes variable without any key operation it goes into power saving mode In this mode the screen backlight and chart presenting device lamp go out The RT 5100 restores from this mode by pressing any key 1 7 3 Exiting 1 Turn off power Turn off the syste...

Page 46: ...28 BEFORE USE Getting Started and Exiting 161221687130 承認済 Uncontrolled copy when printed ...

Page 47: ...aration Page 42 Refraction 2 5 Standard Program Refraction page 43 2 6 1 Chart selection page 74 2 6 2 Visual acuity chart mask functions page 75 2 7 Power Adjustment Final Fit Page 83 2 7 1 Auto adjustment of far powers with Program A page 83 2 7 2 Auto adjustment of far powers with Program B page 84 2 7 3 Power adjustment without standard programs page 85 2 7 4 Fine adjustment after auto adjustm...

Page 48: ...r LM port port that the ARK 10000 is connected parameter to WF OPD When performing patient view simulation with RT data on the OPD Scan III V1 05 or later set HDR When entering day and night data from the ARK 10000 or OPD Scan III see 2 2 6 Entering day and night data from ARK 10000 or OPD Scan III page 36 1 Measure the patient s eye with the auto refractometer See the corresponding operator s man...

Page 49: ... data from the ARK or intraocular pressure from the RKT is displayed in only the data list They are printed together with the other data When the AR port parameter is set to the WF OPD or HDR or LM port parameter to WF OPD the RT 5100 operates as follows When the Wave Front data is entered the program becomes the program set in the Program for WF data imported from OPD automatically When the AR AR...

Page 50: ...The maximum data count is 9999 However only the last 150 measurements are retained Whenever the data count exceeds 150 measurements the prior data up to the start of those 150 measurements are deleted 3 Press The last data No read from an auto refrac tometer or a lensmeter appears on the screen 4 Set the data No at the top of the printout Change the data No with the dial 5 Enter the data Press The...

Page 51: ...cify the data to be entered Select or 2 Specify the eye side 7 Select for the right eye for the left eye or for both eyes 3 Specify the mode 7 Select or 4 Enter the values Turn the dial to enter the values 7 Pressing the desired field on the screen allows its value to be entered The highlighted numeric field indicates the changeable value Pressing a numeric field highlights in blue indicating that...

Page 52: ...3 Press the Print button of the auto refractometer or lensmeter The measured data is printed and then be written to the Eye Care card Eye Care card RT 5100 1 Insert an Eye Care card into the Eye Care card reader of the control box The measured data is automatically read in the AR or LM data field The data in the Eye Care card is cleared When the Data clear confirmation by the EyeCare card insertio...

Page 53: ...a input has been specified the Preset power of Subj 1 parameter setting is prioritized For the Day mode the day AR value or LM value is copied For the Night mode the night AR value or LM value is copied In addition when starting or the displayed data is cleared the mode is Day mode Switching among Unaided and Final in Day Night mode Pressing or in Day mode or Night mode switches the data selec tio...

Page 54: ...n check Send HD Exam data If the ARK 10000 Settings screen has the item HD Exam support RT check it Perform Steps 1 to 3 with the ARK 10000 and Steps 4 and later with the RT 5100 1 Measure the patient s eye with the ARK 10000 in ARK CT mode Refer to the ARK 10000 Operator s Manual 2 After the measurement press the print button of the ARK 10000 3 The HD EXAM dialog box appears Press Send both data ...

Page 55: ... the Wave Front data 7 Perform the subjective refinement based on the day data 8 Press the function button The refractor head is automatically set depending on the night data The subjective refine ment starts is displayed next to the Measurement mode display as the indication of night data The program automatically switches to that set by the Program for Night data imported from OPD parameter If t...

Page 56: ... 3 and later with the RT 5100 1 Measure the patient s eye with the OPD Scan III in OPD CT mode For details refer to the OPD Scan III Operator s Manual 2 When the measured data is obtained press the Verified and Save buttons of the OPD Scan III The measured data is printed and automatically stored in the memory of the RT 5100 relay box The number at the top of the printout is called a data No The n...

Page 57: ...ard is cleared The refractor head is automatically set depending on the day data The subjective refine ment starts is displayed on the left of the measurement mode display as the indication of day data When the day data is the Wave Front data the program becomes the program set in the Program for WF data imported from OPD parameter automatically When the day data is the AR median value the program...

Page 58: ... to the BO base out side Turn the dial counterclockwise The powers increase to the BI base in side 3 Press or Û Ý on the screen 4 Enter base up down prism powers Turn the dial to change the prism powers in 0 5 increments Turn the dial clockwise Left eye The powers increase to the BD base down side Right eye The powers increase to the BU base up side Turn the dial counterclockwise Left eye The powe...

Page 59: ...prism lenses are removed When the rotary prism lenses are removed the selected prism powers can be changed Pressing or again allows the rotary prism lenses to be placed For Plus Package the prism power is displayed in gray when the mode is other than prism mode and the rotary prism is not set For example if s is pressed the rotary prism is removed When inserting the prism again press or 2 3 5 Pris...

Page 60: ...en If the forehead rest is too far to the patient side before the patient positions his her forehead retract the forehead rest with the forehead rest adjustment knob 2 Press The PD adjustment lenses are placed in the measuring windows and the anterior segments of the patient s eyes are lighted 3 Observe the patient s eyes from the operator s side Confirm that both eyes are located in the center of...

Page 61: ...inal Fit Auto adjustment function to automatically adjust a prescription to suit the patient Pressing during the program shows sample instructions to the patient The instruction may not appear depending on the test At this time the normal help screen appears 1 Select Program A The program is switched with 2 Press Program A starts 3 Enter the AR data 9 1 Measure the patient s eye with an auto refra...

Page 62: ...efractor 5 Measure the unaided visual acuity Refer to Steps 3 to 7 in 4 1 1 Unaided Visual Acuity Test page 151 6 Press 7 Confirm that the patient has his her glasses Without glasses Select No and go to Step 10 With glasses Select Yes and go to Step 8 8 Enter the LM data 1 Measure the patient s glasses with a lensmeter and print the result 2 Press Confirm that the data No is the same as the print ...

Page 63: ...ual Acu ity Test page 152 Patients may wear their own glasses during the aided visual acuity test 10 Start subjective refinement 1 Press The left eye is occluded The subjective refinement starts 2 Confirm that the patient can read the presented chart When the patient can read even one letter on the chart go to the next red green test 161221687130 承認済 Uncontrolled copy when printed ...

Page 64: ...s chart is presented A cross cylinder lens is placed The cross cylinder lens type is switched among Auto 0 25 and 0 50 When the cylindrical power of the objective value is 0 25 the same cylindrical power measurement as Step 13 starts before the cylindrical axis measurement 10 When the cylindrical power of the objective value is 0 proceeding the program displays the mes sage No Cylinder power Skip ...

Page 65: ...ssing When chart 2 is sharper Turn the dial clockwise one increment Also possible by pressing Repeat the above until both charts appear equal Auto cross cylinder Charts 1 and 2 are presented simultane ously Both chart positions appear in the lower left corner of the screen When chart 1 is sharper Turn the dial counterclockwise one incre ment Also possible by pressing When chart 2 is sharper Turn t...

Page 66: ...ual Letters on the red side are sharper Turn the dial clockwise one increment Letters on the green side are sharper Turn the dial counterclockwise one increment When the patient cannot see the red and green sides equally make the red side sharper slightly It avoids overcorrection 15 Refine the spherical power to achieve the best possible visual acuity with the most plus power 1 Press The isolated ...

Page 67: ...r is set to Yes 2 Make the top and bottom lines appear equal The top line is sharper Press and turn the dial counter clockwise one increment The bottom line is sharper Press and turn the dial counter clockwise one increment When the patient can see them equally the binocular vision is balanced Binocular balance test can be performed in the binocular red green test See 4 4 2 Binocular red green tes...

Page 68: ...lexibility to the corrective lenses When making a decision about the patient s flexibility based on age the dividing line is about 40 years of age The far powers are adjusted automatically and set in Final 1 See 2 7 1 Auto adjust ment of far powers with Program A page 83 for more details The chart of 20 20 to 20 10 is presented 21 Check the corrected visual acuity Refine the vision with or Hard to...

Page 69: ...If age is already input go to Step 24 Go to Step 24 when the Preset ADD parameter is set to No The far powers are switched to the full cor rection powers to measure the addition powers accurately The refractor head converges When the refractor head is converging have the patient off their face temporarily from the refractor head 24 Pull down the near point rod and set the near point chart to the d...

Page 70: ...ty Test with Addition Powers page 153 26 Check the near visual acuity 1 Press The cross cylinder lenses are removed Set the values determined by adding or subtracting the ones adjusted in Step 20 to from the addition powers measured in Step 25 as the addition powers for prescription 2 Reverse the near point chart and place the visual acuity chart in front of the patient 3 Confirm that the patient ...

Page 71: ...this time the normal help screen appears To measure with the program chart presenting device with night measurement function SSC 350 SSC 370 SC 1600 and SC 1600Pola are necessary 1 Enter the AR data 1 Measure the patient s eye with an auto refractometer and print the result 2 Press Confirm that the data No is the same as the print data No of the auto refractometer See 2 2 1 From an auto refractome...

Page 72: ...ides appears equal Letters on the red side are sharper Turn the dial clockwise one increment Letters on the green side are sharper Turn the dial counterclockwise one increment In this spherical refinement a circle of least confusion is maintained on the retina for the next cylindrical axis measurement with the cross cylinder When the patient cannot see the red and green sides equally make the gree...

Page 73: ... cylinder Ask the patient which is sharper chart 1 presented by pressing or chart 2 pre sented by pressing Types of cross cylinder lens When chart 1 is sharper Turn the dial counterclockwise one incre ment Also possible by pressing When chart 2 is sharper Turn the dial clockwise one increment Also possible by pressing Repeat the above until both charts appear equal Auto cross cylinder Charts 1 and...

Page 74: ...ness of the letters on the red and green sides appears equal Letters on the red side are sharper Turn the dial clockwise one increment Letters on the green side are sharper Turn the dial counterclockwise one increment When the patient cannot see the red and green sides equally make the red side sharper slightly It avoids overcorrection 9 Refine the spherical power to achieve the best possible visu...

Page 75: ...ogged automatically for easy bal ance test when the Fog for binocular bal ance parameter is set to Yes 2 Make the top and bottom lines appear equal The top line is sharper Press and turn the dial counter clockwise one increment The bottom line is sharper Press and turn the dial counter clockwise one increment When the patient can see them equally the binocular vision is balanced Binocular balance ...

Page 76: ...uity with or 3 Refine the spherical power to achieve the best possible visual acuity with the most plus power Turn the dial counterclockwise to add approximately SPH 0 25 D When the chart appears blur turn the dial clockwise one increment The spherical power for both eyes is perfectly refined Instead of the above procedure the best possible visual acuity for both eyes can be determined as follows ...

Page 77: ...t ADD parameter is set to No The refractor head converges When the refractor head is converging have the patient off his face temporarily from the refractor head 17 Pull down the near point rod and set the near point chart to the desired working distance normally 40 cm 18 Measure the addition powers Select the cross grid chart on the near point chart Ask the patient Which lines are sharper the hor...

Page 78: ...not be entered with the mask buttons such as or 20 Select whether the Night measurement test is performed or not 1 Press The Night vision test message appears 2 Select whether the Night vision test is performed or not Perform Night vision test ψ Select Yes Do not perform Night vision test ψ Select No Program is finished Then Night measurement starts The chart becomes the brightness for Night Darke...

Page 79: ...ress The dots chart is presented A cross cylinder lens is placed The cross cylinder lens type is switched between Auto 0 25 and 0 50 When the cylindrical power of the objective value is 0 25 the same cylindrical power measurement as Step 24 starts before the cylindrical axis measurement 14 When the cylindrical power of the objective value is 0 proceeding the program displays the mes sage No Cylind...

Page 80: ...ng Repeat the above until both charts appear equal Auto cross cylinder Charts 1 and 2 are presented simultane ously Both chart positions appear in the lower left corner of the screen When chart 1 is sharper Turn the dial counterclockwise one incre ment Also possible by pressing When chart 2 is sharper Turn the dial clockwise one increment Also possible by pressing Repeat the above until both chart...

Page 81: ... red side sharper slightly It avoids overcorrection 26 Refine the spherical power to achieve the best possible visual acuity with the most plus power 1 Press The isolated 20 20 line is presented 2 Check the best possible visual acuity with or 3 Refine the spherical power to achieve the best possible visual acuity with the most plus power Turn the dial counterclockwise to add SPH 0 25 D When the ch...

Page 82: ...ress and turn the dial counter clockwise one increment The bottom line is sharper Press and turn the dial counter clockwise one increment When the patient can see them equally the binocular vision is balanced Binocular balance test can be performed in the binocular red green test See 4 4 2 Binocular red green test page 165 When the patient cannot see the top and bottom lines equally in the binocul...

Page 83: ...efine the spherical power to achieve the best possible visual acuity with the most plus power Turn the dial counterclockwise to add approximately SPH 0 25 D When the chart appears blur turn the dial clockwise one increment Instead of the above procedure the best possible visual acuity can be determined as follows When releasing the fogging give the patient sufficient time to view the VA chart 1 Ad...

Page 84: ...n appears 1 Enter the AR data 1 Measure the patient s eye with an auto refractometer and print the result 2 Press Confirm that the data No is the same as the print data No of the auto refractometer See 2 2 1 From an auto refractometer page 30 3 Press The AR data appears in the subjective and AR data fields 2 Select Program 7 When the program is not 7 the program can be switched with Program 7 can ...

Page 85: ...ters on the red side are sharper Turn the dial clockwise one increment Letters on the green side are sharper Turn the dial counterclockwise one increment In this spherical refinement a circle of least confusion is maintained on the retina for the next cylindrical axis measurement with the cross cylinder When the patient cannot see the red and green sides equally make the green side sharper slightl...

Page 86: ... which is sharper chart 1 presented by pressing or chart 2 pre sented by pressing Types of cross cylinder lens When chart 1 is sharper Turn the dial counterclockwise one incre ment Also possible by pressing When chart 2 is sharper Turn the dial clockwise one increment Also possible by pressing Repeat the above until both charts appear equal Auto cross cylinder Charts 1 and 2 are presented simultan...

Page 87: ...he dial clockwise one increment Letters on the green side are sharper Turn the dial counterclockwise one incre ment When the patient cannot see the red and green sides equally make the red side sharper slightly It avoids overcorrection 9 Refine the spherical power to achieve the best possible visual acuity with the most plus power 1 Press The isolated 20 20 line is presented 2 Check the best possi...

Page 88: ... is set to Yes 2 Make the top and bottom lines appear equal The top line is sharper Press and turn the dial counter clockwise one increment The bottom line is sharper Press and turn the dial counter clockwise one increment When the patient can see them equally the binocular vision is balanced Binocular balance test can be performed in the binocular red green test See 4 4 2 Binocular red green test...

Page 89: ... sufficient time to view the VA chart 1 Add approximately SPH 0 75 D of fogging 2 Present a visual acuity chart for which the visual acuity is decreased by a few increments 3 When the patient can read the VA chart press to increase the visual acuity When they cannot read the chart add SPH 0 25 D to release the fogging and ask them to read it again Repeat the procedure to determine the best possibl...

Page 90: ...ormally 40 cm 17 Measure the addition powers 1 Select the cross grid chart on the near point chart 2 Ask the patient Which lines are sharper the horizontal or vertical ones Or are they about the same Horizontal lines Turn the dial counter clockwise in 1 increments until the lines appear equal Vertical lines Turn the dial clockwise in 1 increments until the lines appear equal Same It is not necessa...

Page 91: ...he near point chart II A Letters chart at a position of 40 cm manually 2 Measure the visual acuity chart for right eye left eye and both eyes Press or to enter the VA value by turning the dial The VA value cannot be entered with the mask buttons such as or 19 Press This completes Program 7 161221687130 承認済 Uncontrolled copy when printed ...

Page 92: ...onding chart The selected chart is displayed at the center of the screen When the SC series is connected pressing the page change button to at the top of the chart buttons changes the page Page change buttons When the CP series F ISO M T U G PhM or the SSC series M is connected pressing the Shift button switches the page 161221687130 承認済 Uncontrolled copy when printed ...

Page 93: ...solation moves up or down For charts with four columns on the SSC the vertical isolated line is moved between only the two columns in the middle How to isolate a horizontal line Press The top line is isolated Press The middle line is isolated Press The bottom line is isolated When the horizontal line is isolated Press or The isolation moves up or down Press only SC series The letter order is rando...

Page 94: ... short beeps are audible and the isolation moves to the opposite end of the chart Press or The isolation moves up or down There are two letter charts of 20 20 to 20 10 to prevent patient memorization When the vertical line or single letter isolation is moved to up or down or the same visual acuity chart is selected twice or more the two charts are presented alternately The VA value is automaticall...

Page 95: ... 2 How to release the mask and filter Pressing any chart button releases the applied mask or filter Chart presentations with the mask keys without Chart presentations with the mask keys also with 161221687130 承認済 Uncontrolled copy when printed ...

Page 96: ...ration caused by decreased contrast when scattered light reaches the macular part of the eye due to opac ity or irregularity of the lens is shown to the right of the displayed chart on the chart window when the glare lamp is turned on This button can also change the glare lamp lumi nance only for the SSC 350MCG or SSC 370MCG Pressing changes the luminance in the order of high luminance medium lumi...

Page 97: ... and contrast functions are available at any time during refraction The low illumination and contrast functions cannot be used at the same time When the SSC 330U equipped with the optional glare lamp is con nected pressing the left side switch of the control box displays the glare lamp buttons Glare Turns on or off the glare lamp Controls the lamp intensity is shown to the right of the displayed c...

Page 98: ... 3 Test the right left and binocular VA The measured VA each function settings SPH CYL and AXIS for the test are stored The results in this mode can be checked on the Others3 screen in the data list 1 Press to call up the main menu screen 2 Press Data List When the low illumination function is selected Dusk is displayed in the Contrast field 3 Press Others3 161221687130 承認済 Uncontrolled copy when ...

Page 99: ...onditions 25 12 5 6 This func tion can evaluate the contrast sensitivity visual function which is not measured in the standard test and can observe changes with time is shown to the right of the displayed chart on the chart window when the contrast is 25 is shown when the contrast is 12 5 and is shown when the contrast is 6 Contrast can be tested at any time during refraction Inverses the VA chart...

Page 100: ...1700Pola and the SC 1600Pola the chart with the same visual acuity can be presented in three contrast levels so that the contrast sensitivity can be compared This is used for when visual acuity measurement is performed under low contrast conditions 25 12 5 or 6 It allows visual function evaluation by contrast sensitivity and observa tion of aged deterioration that is not readily apparent under nor...

Page 101: ...inal Fit value is a guide for determining the final prescription The final prescription should be determined according to the patient s acceptance Be sure to measure and enter the full correction or LM data precisely When the full correction is inaccurate the LM data is not entered regardless of patient s wearing glasses or the entered data is not correct the calculated value may not provide visua...

Page 102: ...windows It makes comparison easier 2 7 2 Auto adjustment of far powers with Program B Program B does not contain the auto adjustment function Perform the following procedures to use the function The SHIFT Final parameter must be set to Final Fit 1 Measure the binocular full correction press after the stereo test The message whether to use the auto adjustment function appears 2 Press while pressing...

Page 103: ...stment without standard programs The auto adjustment function can also be used when any standard program is not used The SHIFT Final parameter must be set to Final Fit 1 Measure the binocular full correction and press while pressing 2 Perform auto adjustment with the same procedures as Steps 3 and 4 in 2 7 2 Auto adjustment of far powers with Program B The auto adjustment function can be added in ...

Page 104: ...ntil the patient sees the chart most clearly and comfortably The powers are adjusted and the data is stored in the order of Final 3 Final 4 20 2 7 5 Manual power adjustment The powers can also be adjusted manually without the auto adjustment function Select the mode to be changed with or and change each data with the dial For example 1 Press or to present a chart with a patient s desired visual ac...

Page 105: ...fter auto adjustment 1 Press Final 1 2 Press Copy The Final 1 data is copied to Final 2 3 Adjust the copied data manually 4 Compare the viewability with Final 1 and Final 2 Select Full to adjust the full correction data manually in Step 1 161221687130 承認済 Uncontrolled copy when printed ...

Page 106: ... a specified data only press the desired data key or while pressing Printout sample ID No Space for name and sex Age Measured time and date Working distance when measuring Objective data AR data KM measurement data Subjective data Power of divergence Power of convergence Near powers Near pupillary distance Near point of convergence Near point of accommodation Negative relative accommodation Positi...

Page 107: ...alue converted the Subjective value from VD vertex dis tance 12 mm to 0 mm Whether the trial lens data is printed or not The Print TL data parameter selects whether the trial lens TL data for the final prescription is printed together with the normal data See 3 19 Parameter Settings page 133 Whether the data is cleared after printing The Clear after print parameter selects whether the displayed da...

Page 108: ...QR code may not be identified Smooth out paper before reading For details of printed QR code ask NIDEK or your authorized distributor for the QR code manual in which the specifications is described When the QR code parameter is set to QR1 the final data and the QR code are printed See Figure1 Figure 1 ޓ 161221687130 承認済 Uncontrolled copy when printed ...

Page 109: ...91 OPERATING PROCEDURE Printing 2 When the QR code parameter is set to QR2 all entered data and QR code of final data are printed See Figure 2 Figure 2 ޓ 161221687130 承認済 Uncontrolled copy when printed ...

Page 110: ...these result or not with the parameter setting 21 Point Whether or not to print the 21 Point Exams No with each exam result can be set with the Print format 2 parameter Printout sample of when the Print format 2 parameter is set to 21 Point Exams default 21 Point Exams results 21 Point Exams results Prism value and SPH adjustment value that satisfies the Sheard s criterion Prism value and SPH adju...

Page 111: ...justment value that satisfies the Sheard s criterion Prism value and SPH adjustment value that satisfies the Percival s criterion Phoria indication Exo exophoria Eso esophoria Ortho orthophoria Hyper hyperphoria Vertical divergence indication Supra supravergence Infra infravergence 161221687130 承認済 Uncontrolled copy when printed ...

Page 112: ... result with the criterion is printed ON OFF of printing of the Visual function analysis graph Whether or not to print the visual function analysis graph can be set with the Graph print parameter No The graph is not printed As 13 00D Graph between As to 13 00D is printed As 3 00D Graph between As to 3 00D is printed When the Graph print parameter is set to As 13 00D When the Graph print parameter ...

Page 113: ...liary lenses in the measuring windows 3 7 Setting Auxiliary Lenses Page 113 To fog a monocular vision with both eyes open 3 8 Fog Function with Both Eyes Open Page 115 To change an ID No at the top of the printout 3 10 Changing ID No Page 117 To call up measured data 3 12 1 Calling up measurement data Page 119 To prevent auxiliary lenses or mode from being switched automatically when changing a ch...

Page 114: ...ng Stored Data Page 146 To export data to an external computer 3 21 Exporting Data to Computer or OPD Scan III Page 147 3 1 Presenting Screen to Patient The RT 5100 can show various images to the patient when the display is tilted to the patient s side When the display is tilted the screen image flips automatically for the patient s easy view 161221687130 承認済 Uncontrolled copy when printed ...

Page 115: ... Press 2 Press Data List 2 Select the desired data Select the data with the function button FAR displays the list of far point data A VA VA value with the ADD power input NEAR displays the list of near point data Others 1 displays KM NT Stereo Fusion Aniseikonia Dominant eye NPC NPA NRA and PRA 161221687130 承認済 Uncontrolled copy when printed ...

Page 116: ...returns to the measurement screen or Switches between day and night data When the Display the Day Night switching button parameter is set to Yes or when the night data is input from the ARK 10000 OPD Scan III this button is displayed Ǯ Switches to the 21 Point Exams result display function switch only when in the Plus Package Switches to the normal data list display function button List display th...

Page 117: ...eye condition with the refraction diagram on the basis of the subjective SPH and CYL value This function can be used to explain the eye refraction condition to the patient 1 Display the Eye Message screen 1 Call up the main menu screen Press 2 Press Data List 3 Display the Eye Message screen Press Eye Msg 161221687130 承認済 Uncontrolled copy when printed ...

Page 118: ...er and cylinder axis of the subjective value are not accurately reflected 100 ADVANCED FEATURES Displaying Refraction Diagram Press Menu to return to the main menu screen Press to return to the previous screen 2 Press the displayed refraction diagram The magnified diagram of the selected refraction diagram and the refraction dia gram when corrected by glasses are dis played For eyes with astigmati...

Page 119: ...Diagram Pressing Ametro on the Eye Message screen of 3 in Step 1 displays the eight types of refraction dia grams in the list Pressing the refraction diagram displays the enlarged diagram and the refraction diagram cor rected with glasses 161221687130 承認済 Uncontrolled copy when printed ...

Page 120: ... main menu screen Pressing displays the explanation of presented near chart Pressing again or returns to the Near Chart screen Help is not available for the newspaper and music score buttons The Near Chart screen is just a guide To measure accurately use the accessory near point rod and near point chart Just after turning on the power Vision Test in the Main Menu may not be functional as the image...

Page 121: ...e range of clear vision subjective values complete correction power with additional measurement or final prescriptions are needed When the appropriate complete correction power and add power are not entered the range of clear vision is not displayed correctly For the method of obtaining the subjective value and final prescription see 2 5 1 Program A page 43 The range of clear vision cannot be chec...

Page 122: ...he graphs for the other types of lens are shown in gray 1 Blue portion of the graph Clearly visible area using an accommodation of less than one half The graph of naked eye is difficult to see clearly if the astigmatism is 0 75 D or more so indication should be used instead of indication The blue portion in the graph turns red and indication changes to indication for Fin and Fin in the following c...

Page 123: ...d and changes the graph of negative addition near near lens range of clear vision 2 Lens type selection buttons Select a lens type The range of clear vision of the selected lens type is displayed by a blue green and yellow graph When F N is selected pressing F N again switches to M N For M N the far point is displayed in the closer position 3 Distance scale Guide for indicating the distance from t...

Page 124: ... See 8 5 Relational Table of Age and Accommodation page 269 Manual Input the accommodation in diopter D units Pressing Manual displays the Accommodation Input window Input accommodation with the dial and press OK Types of accommodation and values used for calculation are displayed to the right of this button 8 LM Displays the graph for the range of clear vision for the input lensometry value The W...

Page 125: ... the WD is indicated in the FINAL field 11 Final prescription The value can be changed based on the final prescription referring the graph for the range of clear vision See 3 5 1 Changing power while checking the range of clear vision page 108 12 Ǯ Indicates which Far power or Near power is displayed Pressing here switches be tween Far power and Near power Displays the selected data LM Subj Fin Fi...

Page 126: ...e its value with the dial Because the near power is fixed values other than those specified are also changed When changing the data without the near power fixed Ј Press Fix to display When a value is changed in this status the WD for final prescription and NPD for final prescription also change When the WD is changed near power is changed not according to pressed or not pressed The values of WD fo...

Page 127: ...ange of 35 to 70 cm in 5 cm increments Therefore convergence of the refractor main body is performed in 5 cm increments of WD conver sion Ex When the WD is changed to 38 cm the convergence and near PD is the same as for when WD 40 When WD is 35cm or less or 70cm or more the convergence and near PD when WD is 35cm and 75cm are set to the main body The refractor head converges to the changed working...

Page 128: ...ms used for explanation to the patient can be dis played 1 Call up the main menu screen Press 2 Display the About Eye screen Press About Eye 3 Press the icon of the desired diagram Displays the list of refraction diagrams Pressing the refraction diagram desired for explanation displays the enlarged diagram and the refraction diagram when corrected by glasses See Step 2 of 3 3 Displaying Refraction...

Page 129: ...3 㧦Display the Eye ball 㧦Display the Vision diagram These vision images are classified by type of visual impairment Pressing Menu returns to the main menu screen Pressing returns to the Menu screen of the About Eye screen 161221687130 承認済 Uncontrolled copy when printed ...

Page 130: ...ct according to the pur pose of use 1 Call up the main menu screen Press 2 Display the Vision screen Press Vision The Vision screen is displayed The vision for each lens type is shown in illustration Function keys at the bottom of the screen allow visions with other lens types to be displayed Press to return to the main menu screen 161221687130 承認済 Uncontrolled copy when printed ...

Page 131: ...ted auxiliary lenses are placed in the refractor head and the screen returns to the main measurement screen Open aperture Occluder Polarizing filters Right eye 45 Left eye 135 Polarizing filters Right eye 135 Left eye 45 Right eye Fixed cross cylinder lens Left eye Occluder Right eye Occluder Left eye Fixed cross cylinder lens Right eye Red filter Left eye Green filter RETI 1 5 Spherical lenses fo...

Page 132: ...The prism value can be changed with the following and The value can be changed for both eyes at the same time Changeable range R 3 0 BU L 3 0 BD to R 10 0 BU L 1 0 BD 㧦Break prism of vertical phoria The prism value can be changed with the following and The value can be changed for both eyes at the same time Changeable range R 5 0 BI L 5 0 BI to R 15 0 BI L 15 0 BI 㧦Break prism of 15A horizontal ph...

Page 133: ... is fogged with the preset amount instead of the occluder Perform one of the following operations to clear the fog The occluder is placed in the measuring window Press FOG again Press Turn the power off and on again Press any chart button which specifies auxiliary lenses other than open or occluder Select any auxiliary lens Pressing or in the Auxiliary Lenses window changes the fog amount The vari...

Page 134: ...2 press Dis play data set button 2 Una Fin window appears 2 In the Una Fin window specify the items to be displayed in the sub window FAR Selects Far mode NEAR Selects Near mode Una Selects Unaided data LM Selects LM data AR Selects AR data Subj Selects Subj data Final Selects Final data Non Clears the sub window mode specification Enter Closes the Una Fin window and displays the specified data Se...

Page 135: ...ess ID No The numeric keypad appears 3 Enter the desired number with the numeric keys The number can be entered up to 12 digits when Standard is selected and up to 20 digits when Expanded is selected for the ID No parameter To change the ID No delete the desired digit by pressing and then enter a new number 4 Return to the normal measurement screen Confirm the change Press Enter Cancel the change ...

Page 136: ... to a computer 1 Press the right side switch of the control box The Other Settings window appears 2 Press Age The numeric keypad appears 3 Enter the desired number with the numeric keys To change age delete the desired digit by pressing and then enter a new num ber 4 Return to the normal measurement screen Press Enter Stores the input age Press the right side switch of the control box Cancel The i...

Page 137: ... The whole data is read When both day and night data are measured the day data and night data are saved together When night data exists with the day data appears on the far left button When the data is only the day data appears on the far left button 23 When the Night data is saved together the data that can be saved is less than 50 people As the Night data is counted as 1 data when the Night data...

Page 138: ...ible even when any chart button is pressed The auxiliary lenses are not placed automatically The mode S C A is not switched The visual acuity is not entered automatically when any mask key is pressed Pressing or switches the chart The link off function is not canceled even when is pressed or power is turned off and on The linkage functions only for and even when the link off function is activated ...

Page 139: ...am Day Night page 53 for the contents of Program For the Plus Package though Program 7 is added in addition to the program A to E and delete write and operation can be performed as with the other programs 3 14 1 Clearing programs The contents of each Program A B C D E or 7 are cleared It is performed when each pro gram is reprogrammed To clear Program A B or 7 set the Program A Program B Program o...

Page 140: ...s Package 3 Press Programming 7 is only for Plus Package 2 Select the program to be cleared Press either of A B C D E or 7 3 Press Clear The confirmation message Are you sure appears 4 Press Yes All contents in the selected program are cleared 161221687130 承認済 Uncontrolled copy when printed ...

Page 141: ...ser beforehand Program 7 is only for Plus Package 1 Display the Programming screen 1 Call up the main menu screen Press 2 Press Others Setting of 21 Point Exams is only for Plus Package 3 Press Programming 7 is only for Plus Package 2 Select the program to be programmed Press either of A B C D E or 7 161221687130 承認済 Uncontrolled copy when printed ...

Page 142: ...ntrast Glare lamp depends on the chart presenting device Data to be entered Unaided to Final Day Night depends on the chart presenting device Far or near mode Data field SPH CYL AXIS VA Eye to be measured R L BIN Auxiliary lenses Cross cylinder test Auto adjustment function set in the mode With or without beep sounds The beep sounds can be audible in the end of each test Fog amount Press Fog and t...

Page 143: ... exam can be specified with the 21 Point Exams 1 Press Chart to display the 21 Point Exam button 2 Select the exam to be stored with the 21 Point Exam button 21 Point Exams button 7 Subj F cannot be selected The contents of exam set chart auxiliary lens etc are written 6 When the steps on the screen are pro grammed go to the next page Press Next When all steps are programmed press To clear the ste...

Page 144: ...with 2 Start the program Press The first chart in the program is presented and the refractor head is set as programmed 3 Present the next chart Press Each time the key is pressed the chart is presented in the programmed order and the refractor is set as programmed Returns to the previous chart 161221687130 承認済 Uncontrolled copy when printed ...

Page 145: ...ata written with Plus Package cannot be read with RT 5100 1 Display the Programming screen 1 Call up the main menu screen Press 2 Press Others Setting of 21 Point Exams is only for Plus Package 3 Press Programming 7 is only for Plus Package 2 Pressing Import imports the programs A to E and 7 in the CF card When no program has been exported the data to be imported does not exist Pressing Export exp...

Page 146: ... the Comments screen 1 Call up the main menu screen Press 2 Press Others Setting of 21 Point Exams is only for Plus Package 3 Press Comments The Comments screen appears 2 Press a box to be entered 3 Press the desired character button The character is entered and the highlight moves to the next box 4 Repeat Steps 2 and 3 to enter the charac ters 5 Return to the normal measurement screen Press End 1...

Page 147: ... RT 5100 can be adjusted The time and date cannot be set during elapsed time display 1 Display the Adjust Clock screen 1 Call up the main menu screen Press 2 Press Others Setting of 21 Point Exams is only for Plus Package 3 Press Adjust Clock 161221687130 承認済 Uncontrolled copy when printed ...

Page 148: ...to be adjusted The numeric keypad appears 3 Enter the desired number with the numeric keypad and press Enter 4 Repeat Steps 2 and 3 until the time and date are set 5 Return to the normal measurement screen Press End 161221687130 承認済 Uncontrolled copy when printed ...

Page 149: ...rmal screen brightness in Day mode Control the brightness with or 3 When controlling the backlight brightness of the display in Night mode press button and control the brightness with or 4 Return to the normal measurement screen Press the right side switch of the control box When linking with the chart presenting device without Night function buttons are not displayed Brightness for normal environ...

Page 150: ... of the control box while pressing 2 Press the dial switch to display the Touch Panel Calibration screen Red 3 Press the red in the upper left corner of the screen with the touch screen pen Pressing here changes the color of to blue 4 Press the red in the upper right corner of the screen with the touch screen pen 5 Press the red in the lower left corner of the screen with the touch screen pen 6 Pr...

Page 151: ...played with Back or Next 3 Pressing the setting field on the right side of the parameter to be changed toggles the setting In parameters such as AXIS auto step with many options when the setting field is pressed the field is framed in green At this time select the option with the dial 4 Change the other parameter settings in the same manner as Steps 2 and 3 5 Return to the normal measurement scree...

Page 152: ...ter is set to 1 the increment to adjust axis values with is 5 AXIS auto step 0 00 D to 4 00 D Factory setting 0 00 D In cylindrical axis measurement with a cross cylinder lens the AXIS step becomes 5 when the obtained cylinder value is less than the setting The AXIS step becomes 1 when the obtained cylinder value is the setting one or more The setting value changes in 0 25 D increments When the se...

Page 153: ...Prism display format X Y r Factory setting X Y Setting for the prism display format X Y Rectangular coordinates r Polar coordinates Prism speed 0 1 Repeat 1 0 sec 0 7 sec 0 5 sec 0 2 sec Factory setting 0 7 sec For Plus Package 0 2 sec The prism value can be changed in 0 1 increments continuously while pressing or This is the setting of the prism value changeover time According to the refractor ma...

Page 154: ...ing 2 High None Factory setting Setting 1 Low Selection of whether or not to enter the patient s age and preset the estimated additional power when or is pressed For the additional power to be preset see 8 3 VA Conversion Table page 267 SPH Far Near SPH SPH ADD Factory setting SPH ADD Setting for the sphere values when far mode is switched to near one SPH The sphere values in far mode are also use...

Page 155: ...y for Plus Package Gradient AC A Heterophoria AC A Factory setting Gradient AC A Setting for AC A used for calculating the SPH adjustment value that satisfies Sheard Percival s crite rion Accomm for Morgan s System only for Plus Package 19 NPA 19 lens Factory setting 19 NPA Setting for accommodation used for comparison with Morgan s criterion Prism for Supra and Infra only for Plus Package R L Fac...

Page 156: ...e Yes No Factory setting No Selection of whether or not to print the comparison with the Morgan s criterion Print CL data Yes No Factory setting No Selection of whether or not to print the CL conversion value of the subjective data together with the others Print TL data Yes No Factory setting No Selection of whether or not to print trial lens TL data for the final prescription When the RT 5100 has...

Page 157: ...yyy 20 8 2005 yyyy mm dd 2005 8 20 QR code QR1 QR2 Off Factory setting Off Selection of whether or not to print QR code and of data to be printed with QR code QR1 The final data subjective or prescription data and the QR code are printed QR2 All data is printed along with the final data QR code Print list Yes No Factory setting Yes When the setting is Yes the data list is displayed automatically w...

Page 158: ...he default Program 7 or user programmed one Set the parameter to User when Program 7 is reprogrammed The default Program 7 can be used by resetting to Fix and pressing the Clear button or turning on the power again Adjust ADD Subj Final Yes No Factory setting Yes Selection of whether or not to set the additional power taken into consideration of the difference of between the subjective data and pr...

Page 159: ...pears CYL 0 25 The cross cylinder test is performed in the order of cylindrical power cylindrical axis cylindrical power When the cylinder value is 0 in the first cylindrical power measurement the next cross cylinder test is not performed CYL 0 5 The cross cylinder test is performed in the order of cylindrical axis cylindrical power When the setting is No the cross cylinder test is performed in th...

Page 160: ...ries Sets the communication method with the SC series Cable Connects the RT 5100 with the SC series by cable Wireless 1 to 8 Communicates with the SC series by an optional infrared communication unit The number from 1 to 8 indicates the communication channel Set the same channel in the Remote channel parameter of the SC series Memory function Yes Memory box No Factory setting Yes Yes Stores the la...

Page 161: ...y setting A Setting for the program to automatically be set when night data is entered from the connected ARK 10000 V2 13 or later or OPD Scan III and the day and night data are entered at the same time with the AR port or LM port parameters set to WF OPD The program appears only when the RT is connected with a chart presenting device equipped with the night vision test function Data clear confirm...

Page 162: ...cted to the server to the other client RT 5100 Client 1 to 4 Daisy chains the RT 5100 as a client I F Mode NIDEK NIDEK 2 Factory setting NIDEK Selection of whether or not to increase the time out limit for the communication between the RT and an external device such as the AR or LM If the time out occurs with the factory setting NIDEK due to the communication environment select NIDEK2 Communicatio...

Page 163: ...e parameter setting written with the Plus Package cannot be read with the standard RT 5100 1 Display the Parameter setting screen 1 Call up the main menu screen Press 2 Press Para 2 Write or read the parameter setting Import Reads the parameter setting written to the CF card However when no data has been written to the CF card no data can be read out Export Write the current parameter set tings to...

Page 164: ...from an auto refractometers or a lensmeter appears 2 Change the Data No to 0 Turn the dial until the displayed Data No becomes 0 The data No is changed in 100 increments by turning the dial while pressing 3 Press All of the AR and LM data stored in the relay box are cleared and then Memory data is erased is printed out 161221687130 承認済 Uncontrolled copy when printed ...

Page 165: ...gain When this message is displayed in the OPD Scan III change the OPD Scan III to the Summary window and then export the data again Follow Steps 1 to 4 to export the data again If measured data on the RT 5100 has been cleared upon printing call up data as described in 3 12 Calling Up Data and then export the data To not clear data at the time of printing set the Clear after print parameter to No ...

Page 166: ... measurement data from auto refractometers or lensmeters to the Eye Care card clear the data in the Eye Care card in advance By inserting the Eye Care card into the Eye Care card reader of the control box the data stored in the card is read by the RT 5100 and cleared from the card at the same time A When the data printout is necessary 1 Insert the Eye Care card 2 Measure with the RT 5100 The data ...

Page 167: ...he ID No can be set 5 Check the ID No and press Out The data is exported For the Day Night data day data is written first and then the message Writing of day data is complete Write the Night data is displayed To write the Night data Night data is writ ten after the EyeCare card is switched To not write the Night data press Cancel 6 Press Enter or right side switch of the control box The window clo...

Page 168: ...s images in the SC series as a slide show A slide show is a looped display of a series of images The screen changes every 5 seconds to The images registered in the SC is displayed directly 3 Press any chart button to stop the slide show There is a pause of a few seconds between pressing any image operation button and display of the image The SC series cannot respond to any operation from the contr...

Page 169: ...he VA field 4 Press The left measuring window is opened and the right one is occluded According to the entered AR data the estimated VA chart is presented automatically 5 Obtain the unaided VA for the left eye Follow the same procedure as Step 3 6 Press Both measuring windows are opened 7 Obtain the binocular unaided VA Follow the same procedure as Step 3 The higher VA chart between both eyes is p...

Page 170: ...g windows 2 Press to test the right left and binocular VA The VA chart estimated from the difference between the AR and LM data is presented auto matically 25 Follow the same procedures as Steps 2 to 7 of 4 1 1 Unaided Visual Acuity Test 25 The estimated VA chart is not presented when the Preset VA parameter is set to No or the data has already been en tered in the final field 161221687130 承認済 Unc...

Page 171: ...the near VA see Step 26 in Page 51 4 Press again The VA test with the addition powers starts and the VA display changes to A VA When the addition powers are not entered the test does not start Measure the near visual acuity 5 Test the right left and binocular VA Press or and turn the dial to enter each VA The VA cannot be entered with the mask keys such as or When LM AR Subj or Final mode is switc...

Page 172: ... as or 3 By switching to the other mode VA mode using the pin hole is finished 4 1 5 Input method of the correct character and incorrect character Pressing during VA mode displays the function keys For the entered VA value 2 1 1 2 can be added with With this function the character number that can be read or the character number that cannot be read can be input ex When the VA chart is 4 characters ...

Page 173: ... with Night measurement function SSC 350 SSC 370 SC 1600 SC 1600Pola is necessary 1 Press The chart becomes night mode The measurement screen switches from VA mode to L illu VA and becomes VA measurement mode in night brightness 2 Measure VA for right eye left eye and both eyes Press and turn the dial to input the VA value The VA value can be input either with 3 VA measurement mode in night bright...

Page 174: ...arper than the others Or are they about the same All the bars appear equal No astigmatism The test is completed One of the bars appears sharper Obtain the cylindrical axis in minus reading by multiply ing the smaller number 1 to 6 next to the bar by 30 For example When Bar 2 appears sharper 2 30 60 6 Set the axis of the minus cylindrical lens to the value obtained is Step 5 Press and turn the dial...

Page 175: ...data and occlude either measuring window 2 Perform the red green test When the patient cannot see the red and green sides equally make the green side sharper slightly See 4 3 1 Red green test page 161 3 Present the dots chart Press The RT 5100 goes into AXIS mode The cross cylinder lens is set 4 Measure the cylindrical axis See 2 of Step 12 of 2 5 1 Program A page 43 5 Go into CYL mode Press The a...

Page 176: ...ndrical power in the order of axis 180 45 90 and 135 If the patient indicates that chart 1 looks clearer for all axes set the cylindrical power as 0 This is the end of the astigmatism test If the patient indicates that chart 2 looks clearer for any axis proceed to the cylinder axis measurement for the axis in which the patient indicated that chart 2 was clearer Note 1 When the Intelligent XC param...

Page 177: ...ss cylinder lens while turning the dial clockwise in 1 increments until the chart is seen sharper when the cross cylinder lens is removed When the cross cylinder lens is inserted When the cross cylinder lens is removed 3 When the chart is seen sharper while the cross cylinder lens is removed this test is fin ished 2 When the chart is seen sharper if the cross cylinder lens is removed When the char...

Page 178: ... is inserted When the cross cylinder lens is removed 160 TEST METHOD Astigmatism test 3 When the chart is seen sharper while the cross cylinder lens is removed this test is fin ished 161221687130 承認済 Uncontrolled copy when printed ...

Page 179: ...esent the red green chart Press or The RT 5100 goes into SPH mode 3 Fog the vision Turn the dial counterclockwise two increments to add SPH 0 50 D 4 Reduce fogging gradually until the sharpness of the letters on the red and green sides appears equal Turn the dial clockwise The letters on the red side are sharper Turn the dial clockwise The letters on the green side are sharper Turn the dial counte...

Page 180: ... cross grid chart Press The cross cylinder lens of 0 50 D is placed in the specified measuring window 4 Ask a patient Which are sharper the horizontal or vertical line The horizontal and vertical lines appear equal The spherical power is properly refined The horizontal lines are sharper In the case of myopia the spherical power is overmin used In the case of hyperopia the spherical power is underc...

Page 181: ... left eye Prism value can be changed See 3 7 Setting Auxiliary Lenses page 113 Ideal appearance Right eye Left eye Binocular ideal The sharpness of the top and bottom lines is equal Right eye Left eye Binocular ideal The sharpness of the top and bottom lines is equal Right eye Left eye Binocular ideal The sharpness of the top and bottom lines is equal Right eye Left eye Binocular ideal The sharpne...

Page 182: ...rt is 20 50 20 40 20 30 20 25 and 20 20 moving from the left to right 3 Ask the patient Which is sharper the top or bottom line The top line is sharper Press and add SPH 0 25 D Turn the dial counterclock wise The bottom line is sharper Press and add SPH 0 25 D Turn the dial counterclock wise The top and bottom lines should appear equal When the patient cannot see them equally determine with which ...

Page 183: ... prisms are placed for the SC 2000 SC 1600 The RT 5100 goes into SPH mode 2 Ask the patient How do the four numbers and double circles appear a The sharpness of all four double circles are equal b The sharpness of two double circles on the red side are equal c The sharpness of two double circles on the green side are equal Binocularly well balanced 27 d The top line is sharper on the green side an...

Page 184: ...indows The base in out prism powers can be entered When is pressed again the base up down prism powers can be entered 2 Ask the patient Can you see the four bars Yes Go to the next step No The test cannot be continued 3 Ask the patient Do the vertical and horizontal bars form a cross Yes Orthophoria No Heterophoria Go to the next step 4 Ask the patient Do the vertical bars line up Yes No esophoria...

Page 185: ... the same manner as for 1 and the vertical phoria in the same manner as for 3 7 Exophoria Right eye hyperphoria Correct the horizontal phoria in the same manner as for 2 and the vertical phoria in the same manner as for 4 8 Exophoria Left eye hyperphoria Correct the horizontal phoria in the same manner as for 2 and the vertical phoria in the same manner as for 3 The rotary prism lenses are removed...

Page 186: ...ered 2 Ask the patient Can you see the four bars Yes Go to the next step No The test cannot be continued 3 Ask the patient Do the vertical and horizontal bars form a cross Yes Orthophoria No Heterophoria Go to the next step 4 Ask the patient Is the vertical bar shifted to the left or right Right Esophoria Left Exophoria The vertical line is in the center No exophoria nor esophoria 5 Ask the patien...

Page 187: ...a in the same manner as for 1 and the vertical phoria in the same manner as for 3 7 Exophoria Right eye hyperphoria Correct the horizontal phoria in the same manner as for 2 and the vertical phoria in the same manner as for 4 8 Exophoria Left eye hyperphoria Correct the horizontal phoria in the same manner as for 2 and the vertical phoria in the same manner as for 3 The rotary prism lenses are rem...

Page 188: ...on Orthophoria Right eye Left eye Binocular vision Orthophoria Procedure example 1 Present the phoria with fixation chart Press or The polarizing filters are placed in the measuring windows The red and green filters are placed for the SC 2000 SC 1600 The base in out prism powers can be entered When or is pressed again the base up down prism powers can be entered 2 Ask the patient Can you see the f...

Page 189: ...perphoria Correct the horizontal phoria in the same manner as for 1 and the vertical phoria in the same manner as for 4 6 Esophoria Left eye hyperphoria Correct the horizontal phoria in the same manner as for 1 and the vertical phoria in the same manner as for 3 7 Exophoria Right eye hyperphoria Correct the horizontal phoria in the same manner as for 2 and the vertical phoria in the same manner as...

Page 190: ...u see the two vertical bars Yes Go to the next step No The test cannot be continued 4 Ask the patient Do the vertical bars line up Yes Orthophoria No exophoria nor esophoria No Exophoria or esophoria Go to the next step 5 Ask the patient Is the top bar shifted to the left or right Right Esophoria Turn the dial clockwise to add the BO prism power until the two bars line up Left Exophoria Turn the d...

Page 191: ...ars Yes Go to the next step No The test cannot be continued 4 Ask the patient Do the horizontal bars line up Yes Orthophoria No hyperphoria nor hypophoria No Hyperphoria or hypophoria Go to the next step 5 Ask the patient Is the right bar shifted to the up or down Up Left eye hyperphoria Turn the dial clockwise until the two bars line up Add BU to the right eye and BD to the Left eye Down Right ey...

Page 192: ...or the near point press and set the chart manually 6 BU is placed in the right measuring window The base in out prism powers can be entered 2 Press to occlude the left measuring window 3 Press to open the left measuring window 4 Ask the patient Can you see two circles with a column of letters in each of them Do the letters line up like buttons on a shirt When they are not in line correct them so t...

Page 193: ... prism powers until the two columns line up 2 The upper column is on the right Exophoria Turn the dial counterclockwise to add the BI prism powers until the two columns line up 175 TEST METHOD Binocular Visual Function Test 4 Use or instead of the dial for fine adjustment 161221687130 承認済 Uncontrolled copy when printed ...

Page 194: ... Binocular vision Orthophoria Procedure example 1 Present the horizontal line chart Press or For the near point press and set the chart manually 10 BI prism lens is placed in the left measuring window The base up down prism powers can be entered 2 Ask the patient Can you see two circles with a row of letters in each of them Do the letters line up like headlights on a car When they are not in line ...

Page 195: ...he dial counterclockwise until the two rows line up 2 The right row is higher Left eye hyperphoria Turn the dial clockwise until the two rows line up 177 TEST METHOD Binocular Visual Function Test 4 Use or instead of the dial for fine adjustment 161221687130 承認済 Uncontrolled copy when printed ...

Page 196: ...of chart Phoria Correction 1 The white spot is at the left of the red bar Esophoria Press Turn the dial clockwise to add the BO prism power until the spot is overlaid on the bar 2 The white spot is at the right of the red bar Exophoria Press Turn the dial counterclockwise to add the BI prism power until the spot is overlaid on the bar The rotary prism lenses are removed from the measuring windows ...

Page 197: ...nd the vertical maddox rod is placed in the left measuring window The base up down prism powers can be entered 3 Ask the patient Is the white spot above or below the red bar Or it is overlaid on the red bar When the spot is shifted upward or downward correct it as follows Appearance of chart Phoria Correction 1 The white spot is above the red bar Left eye hyperphoria Press Turn the dial clockwise ...

Page 198: ...se up down prism the rotary prism lenses are removed Use or instead of the dial for fine adjustment When the prism power is added the prism power can be added in 0 5 D increments by adding the prism power for single eye compared to both eyes Dial 1 0 0 5 0 2 0 1 180 TEST METHOD Binocular Visual Function Test 161221687130 承認済 Uncontrolled copy when printed ...

Page 199: ...e polarizing filters are placed in the measuring windows The red and green filters are placed for the SC 2000 SC 1600 2 Ask the patient Can you see a square with a dot in the center Are the left and right frames the same size Or is one smaller than the other Ex 3 5 aniseikonia The width of a line corresponds to 3 5 aniseikonia The Sides equal message appears The test result Yes or No can be select...

Page 200: ...ess Turn the dial counterclockwise until the left and right frames are aligned Add BD to the right eye and BU to the left eye 2 The right frame is higher Left eye hyperphoria Press Turn the dial clockwise until the left and right frames are aligned Add BU to the right eye and BD to the left eye The rotary prism lenses are removed from the measuring windows when the already selected button is press...

Page 201: ...the measuring windows The red and green filters are placed for the SC 2000 SC 1600 The base in out prism powers can be entered 2 Ask the patient Can you see a square with a dot in the center Are the top and bottom frames the same size Or is one smaller than the other Ex 3 5 aniseikonia The width of a line corresponds to 3 5 aniseikonia The Top and bottom equal message appears Test result Yes or No...

Page 202: ...on 1 The top frame is shifted to the left Exophoria Press Turn the dial counterclockwise until the top and bottom frames are aligned 2 The top frame is shifted to the right Esophoria Press Turn the dial clockwise until the top and bottom frames are aligned The rotary prism lenses are removed from the measuring windows when the already selected button is pressed again in prism mode ex When is press...

Page 203: ...ress or The red filter is placed in the right measuring window and the green filter is placed in the left measuring window The base in out prism powers can be entered When or is pressed again the base up down prism powers can be entered 2 Ask the patient Can you see a green circle and red cross Yes Go to the next step No The test cannot be continued 3 Ask the patient Is the cross in the center of ...

Page 204: ...ross is shifted upward Left eye hyperphoria Press Turn the dial clockwise until the cross comes to the center of the circle Add BU to the right eye and BD to the left eye 4 The cross is shifted downward Right eye hyperphoria Press Turn the dial counterclockwise until the cross comes to the center of the circle Add BD to the right eye and BU to the left eye The rotary prism lenses are removed from ...

Page 205: ...the stereo chart Press 2 Confirm that the patient can see the nine black dots arrayed in three lines with one dot from each line at a different depth Top line Center dot Approximately 40 cm away Center line Right dot Approximately 25 cm away Bottom line Left dot Approximately 12 cm away The stereoparallax of each line is 3 2 and 1 from the top to bottom 161221687130 承認済 Uncontrolled copy when prin...

Page 206: ...o be closer The stereoparallax is 10 30 when the refraction distance is 5 m and the PD value is 60 mm the upper and lower triangles appear to be approximately 101 cm closer to the patient The test result OK or NG can be entered by the function button 3 Press again The direction of the polarizing filters changes right eye 45º left eye 135º 4 Confirm that the upper and lower triangles appear to the ...

Page 207: ... mark second from the left square fourth from the left triangle third from the left and bar fourth from the left appear closer than the other shapes 1 Present the stereo four lines chart Press The polarizing filters are set in the measuring windows 2 Confirm that one of the shapes in each row appears to the patient to be closer The stereo parallaxes are 4 2 1 40 from the top The test result 40 1 2...

Page 208: ...to be approximately 125 cm closer to the patient 3 Press again The direction of the polarizing filters reverses right eye 45º left eye 135º 4 Confirm that the upper and lower triangles appear to the patient to be farther away They appear to be approximately 250 cm away from the patient when PD is 60 mm 5 Check the displacement between the upper and lower triangles and the central circle Displaceme...

Page 209: ...are star and circle Stereoparallax between the plus mark and the bar with the circle 10 1 2 10 4 Stereoparallax between the bar with the circle and the one with the star 1 Stereoparallax between the bar with the star and the one with the square 2 Stereoparallax between the bar with the square and the one with the triangle 4 1 Present the stereo chart Press The polarizing filters are placed in the ...

Page 210: ... you see What colors are they Appearance of chart Symptom Correction 1 Four spots Fusion Red Green Pink or Red Green alternately However when the patient has an obvious dominant eye Right dominant eye Red Left dominant eye Green 2 Three spots Right eye suppression The two green and are seen 3 Two spots Left eye suppression The red and are seen 4 Five spots at the same time Diplopia The red and gre...

Page 211: ...iddle of the scale Yes Ѝ No fixation disparity No Ѝ Phoria Continue testing 4 Ask the patient Are the upper and lower hands at an angle Yes Ѝ Functional cyclophoria or optical cyclophoria No Ѝ Esophoria or Exophoria Appearance of chart Phoria Correction Hands at an angle Functional cyclophoria or optical cyclophoria Functional cyclophoria or optical cyclophoria is suspected but further examination...

Page 212: ...er lower left and right hands and scales Yes Ѝ Testing can be continued No Ѝ Testing cannot be continued 3 Ask the patient Do the upper lower left and right hands point to the middle of the scale Yes Ѝ No fixation disparity No Ѝ Phoria Continue testing 4 Ask the patient Are the upper lower left and right hands at right angles Yes Ѝ Horizontal vertical phoria or functional cyclophoria Continue test...

Page 213: ...se Reduce the cylindrical power Bring the cylindrical axis close to the horizontal or vertical direction Hands shifted to up per right Esophoria Left eye hyperphoria Horizontal phoria Turn the dial clockwise until the vertical hands point to the middle of the scale to add the BO prism powers Vertical phoria Press Turn the dial clockwise until the horizontal hands point to the middle of the scale 1...

Page 214: ... window The 6 BU dissociation prism is removed from the right measuring window and both windows are opened Div Blur Break and Recov appear Pressing sets the vertical prism cor responding to the vertical phoria Press as necessary 3 Turn the dial counterclockwise to add the BI prism powers to both eyes until the binocu lar view becomes blur Also possible by pressing 4 Press Blur when the chart appea...

Page 215: ...re cleared 7 Turn the dial clockwise to reduce the BI prism powers from both eyes until the chart appears one again Also possible by pressing 8 Press Recov when the chart appears one The prism powers are stored as recovery point When this test is performed after the Von Graefe test the prism powers for correcting hori zontal or vertical phoria are cleared by pressing Phoria Then the negative relat...

Page 216: ...e Conver gence test The 6 BU dissociation prism is removed from the right measuring window and both windows are opened Conv Blur Break and Recov appear Pressing sets the vertical prism cor responding to the vertical phoria Press as necessary 3 Turn the dial clockwise to add the BO prism powers to both eyes until the binocular view becomes blur Also possible by pressing 4 Press Blur when the chart ...

Page 217: ...e prism powers have been entered When highlighted Blur is pressed again the entered prism powers are cleared 7 Turn the dial counterclockwise to reduce the BO prism powers from both eyes until the chart appears one again Also possible by pressing 8 Press Recov when the chart appears one The prism powers are stored as recovery point 161221687130 承認済 Uncontrolled copy when printed ...

Page 218: ...ce test Phoria is displayed only when in FINAL mode For the initial state horizontal prism corre sponding to the horizontal phoria is set If it is not necessary press to clear the data 4 Turn the dial counterclockwise to add the BD prism powers to the single eye until the chart appears dissociated Also possible by pressing 5 Press Break when the chart appears dissociated The prism powers are store...

Page 219: ... 4 When Phoria indication is changed to Supravergence test press Supraver genece to display the Infravergence test For the initial state horizontal prism corre sponding to the horizontal phoria is set If it is not necessary press to clear the data 5 Turn the dial clockwise to add the BU prism powers to the single eye until the chart appears dissociated Also possible by pressing 6 Press Break when ...

Page 220: ...ion such as a tip of a pen closer to the patient s eyes and mea sure the distance from the pen tip to the root of the nose posterior surface of the lens at the point where the image appears dissociated split in two 3 Enter the distance with the dial Also possible by pressing or The distance from 1 to 100 cm can be entered in 1 cm increments The meter angle MA and prism power are calculated and dis...

Page 221: ...ss NPA Both measuring windows are opened 28 3 Gradually bring the chart closer to the patient s eye and measure the distance from the chart to the root of the nose at the point where the chart appears blur 4 Enter the distance with the dial Also possible by pressing or The distance from 1 to 100 cm can be entered in 1 cm increments The accommodation is calculated automatically and the result is pr...

Page 222: ...C NPA NRA and PRA appear When the NPA test has been completed just before skip this step 2 Press NRA Both measuring windows are opened 29 The NRA window is displayed 3 Gradually turn the dial counterclockwise and press Blur when the chart appears blur The Blur indication is highlighted It means that the value has been stored 4 Gradually turn the dial clockwise and press Recov when the chart appear...

Page 223: ... NPC NPA NRA and PRA appear When the NRA test has been completed just before skip this step 2 Press PRA Both measuring windows are opened 30 The PRA window is displayed 3 Gradually turn the dial clockwise and press Blur when the chart appears blur The Blur indication is highlighted It means that the value has been stored 4 Gradually turn the dial counterclockwise and press Recov when the chart app...

Page 224: ...S Early Treatment Diabetic Retinopathy Study invented by ETDRS Research Group that U S A acts as leader is the chart for studying each eye treatment 1 Make the low illumination glare lamp or contrast function available as needed See 2 6 3 Low illumination glare lamp and con trast functions SSC series page 43 2 Press to present the ETDRS chart 3 Press ETDRS function button The ETDRS VA test screen ...

Page 225: ...ad is less than three the number of correct answers is indicated by a plus sign The number of correct answers in the VA 32 line is two The result is displayed as 40 2 The number of incorrect answers in the VA 32 line is two three correct answers The result is displayed as 32 2 5 Press Finish to end the test The measured VA each function settings SPH CYL and AXIS for the test are stored Clear Clear...

Page 226: ...208 TEST METHOD Visual Acuity Test by ETDRS chart 161221687130 承認済 Uncontrolled copy when printed ...

Page 227: ... Pressing the Chart 21 Ex switching button again returns to the Chart list display ƣ Chart 21 Ex switching button 2 Switch the 21 Point Exams page to be dis played with the 1 to 3 buttons in the upper right of the screen Display the page which indicates the desired exam 12A V Phoria F is displayed both on pages 1 and 3 3 Select the desired exam from the 21 Ex buttons The mode changes to the select...

Page 228: ...ear horizontal phoria measurement 14A C Cyl Mon Monocular accommodative lag measurement using cross cylinder 14B C Cyl Bin Binocular accommodative lag measurement using cross cylinder 15A H Phoria 14A Near horizontal phoria measurement using monocular accommodative lag 14A 15B H Phoria 14B Near horizontal phoria measurement using binocular accommodative lag 14B 16 Conv N Near convergence power mea...

Page 229: ...the near point chart II H VA1 0 or G VA0 63 manually Auxiliary lens R L 6 BU open rotary prism 6 BU open rotary prism Set power Subj F Subj N Procedure example 1 Press 8 H Phoria F or 13B H Phoria N with the 7 Subjective value entered For 13B H Phoria N set H VA1 0 or G VA0 63 of near point chart II in the 40 cm posi tion manually 8 H Phoria F 13B H Phoria N Operation message 2 Press to occlude th...

Page 230: ...n the dial clockwise to add the BO prism powers until the two columns line up 2 The upper col umn is on the right Exophoria Turn the dial counterclockwise to add the BI prism powers until the two columns line up 212 21 Point Exams only for Plus Package 21 Point Exams only for Plus Package Turning the dial changes the value in 0 5 increments for single eye Use or instead of the dial for changing th...

Page 231: ...ring 13B H Phoria Near point press Gradient AC A The value becomes S 1 00D added power automatically and 13B H Phoria Near point value is set to the rotary prism only for the first time 2 Set the near point chart II H VA1 0 or G VA0 63 manually at the 40cm position 3 Measure the Gradient AC A with the same procedures as Steps 2 to 4 in 13B H Pho ria N Gradient AC A Gradient AC A is calculated acco...

Page 232: ...the 40 cm position 11 Div F 17 Div N Operation message Pressing sets the vertical prism corresponding to the vertical phoria Press as necessary 2 According to the operation message on the left bottom of the screen turn the dial coun terclockwise to add the BI prism powers to both eyes until the chart becomes blur 31 Also possible by pressing 3 Press Blur when the chart appears blur The prism power...

Page 233: ...s that the prism powers have been entered When highlighted Break is pressed again the entered prism powers are cleared 6 Turn the dial clockwise to reduce the BI prism powers from both eyes until the chart appears one again 25 Also possible by pressing 7 Press Recov when the chart appears one The prism powers are stored as recovery point 32 Turning the dial changes the value in 0 2 increments 0 1 ...

Page 234: ...H VA1 0 or G VA0 63 manually at the 40 cm position 9 10 Conv F 16 Conv N Operation message Pressing sets the vertical prism corresponding to the vertical phoria Press as necessary 2 According to the operation message on the left bottom of the screen turn the dial clock wise to add the BO prism powers to both eyes until the chart becomes blur 33 Also possible by pressing 3 Press Blur when the chart...

Page 235: ...hat the prism powers have been entered When highlighted Break is pressed again the entered prism powers are cleared 6 Turn the dial counterclockwise to reduce the BO prism powers to both eyes until the chart appears one 27 Also possible by pressing 7 Press Recov when the chart appears one The prism powers are stored as recovery point 34 Turning the dial changes the value in 0 2 increments 0 1 for ...

Page 236: ...sage on the left bottom of the screen gradually turn the dial counterclockwise and press Blur when the chart appears blur The spherical powers are stored as blur point The Blur indication is highlighted It means that the spherical powers have been entered When highlight Blur is pressed again the entered spherical powers are cleared 4 According to the operation message on the left bottom of the scr...

Page 237: ...he patient can read correctly According to the operation message on the left bottom of the screen gradually turn the dial clockwise and press Blur when the chart appears blur The spherical powers are stored as blur point The Blur indication is highlighted It means that the spherical powers have been entered When highlight Blur is pressed again the entered spherical powers are cleared 4 According t...

Page 238: ...4A C Cyl Mon Left eye numeric value field Operation message 2 Set the near point chart II B manually at the 40cm position 3 According to the operation message on the left bottom of the screen make the sharp ness of horizontal and vertical lines appear equal with the dial When the vertical line is sharp turn the dial clockwise and when the horizontal line is sharp turn the dial counterclockwise 4 A...

Page 239: ...L Fixed cross cylinder lens Break rotary prism measurement rotary prism Set power Subj F 14A C Cyl Mon Procedure example 1 After measuring 14A press 15A H Pho ria 14A Operation message 2 Set the near point chart II B manually at the 40cm position 3 Measure the horizontal phoria of 14A For the measurement method see 5 2 2 8 Horizontal phoria Far 13B Horizon tal phoria Near Page 211 161221687130 承認済...

Page 240: ...tered press 14B C Cyl Bin Operation message When 14A Cross cylinder single eye is measured the initial set value is Subj F 14A 2 Set the near point chart II B manually at the 40cm position 3 According to the operation message on the left bottom of the screen make the sharp ness of horizontal and vertical lines appear equal with the dial When the vertical line is sharp turn the dial clockwise and w...

Page 241: ...ually Auxiliary lens R L 6 BU open Set power Subj F 14B C Cyl Bin Procedure example 1 After measuring 14B cross cylinder bin ocular press 15B H Phoria 14B Operation message 2 Set the near point chart II H VA1 0 or G VA0 63 manually at the 40cm position 3 Measure the horizontal phoria of 14B For the measurement method see 5 2 2 8 Horizontal phoria Far 13B Horizon tal phoria Near Page 211 1612216871...

Page 242: ...ial clockwise until the chart appears blur Numeric value field Accommodation value The value displayed small under the lens value is an accommodation value As this test is WD 33cm accommodation value is 3 00D with the addition 0 If the calculated accommodation value is a minus value the accommodation value becomes 0 00 D Pressing or numeric value field to cover the measuring window measures the ac...

Page 243: ... the chart appears blur Numeric value field Accommodation value The value displayed small under the mea surement distance is an accommodation value Pressing or numeric value field to cover the measuring window mea sures the near point of accommodation for single eye 3 Enter the distance with the dial Also possible by pressing or It is possible to enter the distance from 1 to 100 cm in 1 cm increme...

Page 244: ... accommodation display parameter When the Standard accommodation power display parameter is set to Morgan Displays the range of Morgan s criterion calculated by age Morgan s criterion accommodation power When the accommodation power is below the range of criterion or the value is 0 D the accom modation power is displayed in pink When the Standard accommodation power display parameter is set to Hof...

Page 245: ... to the root of the nose posterior surface of the lens at the point where the image appears dissociated split in two 3 Enter the distance with the dial Also possible by pressing or It is possible to enter the distance from 1 to 100 cm in 1 cm increments The meter angle MA and prism power are calculated and displayed automatically For example Enter 7 cm as the distance when PD 6 4 cm 1 When the NPC...

Page 246: ...edure example 1 Press 12A V Phoria F or 18A V Phoria N with 7 Subjective value entered For 18A V Phoria N set the near point chart II C VA0 63 or D VA1 0 manually at the 40 cm position 12A V Phoria F 18A V Phoria N Operation message 2 Ask the patient Can you see two circles with a row of letters in each of them Do the letters line up like headlights on a car When they are not in line correct them ...

Page 247: ... for Plus Package 5 Use or instead of the dial for fine adjustment 2 The right frame is higher Left eye hyperphoria Turn the dial clockwise to add the BU prism powers to the right eye until the two columns line up 161221687130 承認済 Uncontrolled copy when printed ...

Page 248: ... can be stored Procedure example The following describes the right superavergence test When setting the Prism for Supra and Infra to L and performing the left supravergence the dial rotation is reversed 1 With 7 Subjective value entered press 12B Supra F or 18B Supra N For the initial state horizontal prism corresponding to the horizontal phoria value is set If the horizontal prism is not necessar...

Page 249: ...ared 4 Turn the dial clockwise to reduce the BD prism powers from the single eye until the chart appears one again 36 Also possible by pressing 5 Press Recov when the chart appears one The prism powers are stored as recovery point The Recov indication is highlighted It means that the prism powers have been entered 36 Turning the dial changes the value in 0 2 increments 0 1 for single eye Turning t...

Page 250: ... test can be stored Procedure example The following describes the right infravergence test When setting Prism for Supra And Infra to L and performing the left infravergence the dial rotation is reversed 1 With 7 Subjective value entered press 12B Infra N or 18B Infra N For the initial state a horizontal prism value corresponding to the horizontal phoria value is set If the horizontal prism value i...

Page 251: ... 4 Turn the dial counterclockwise to reduce the BU prism powers from the single eye until the chart appears one again 38 Also possible by pressing 5 Press Recov when the chart appears one The prism powers are stored as recovery point The Recov indication is highlighted It means that the prism powers have been entered 38 Turning the dial changes the value in 0 2 increments 0 1 for single eye Turnin...

Page 252: ... 5 3 1 21 Point Data List Pressing List or 21 Ex displays a list of measurement results for Heterophoria AC A prism val ues and spherical values that satisfy the Sheard s criterion and prism values and spherical val ues that satisfy the Percival s criterion with the Test No and Test name Displays the visual function analysis graph Displays the Morgan s criterion as comparison list Return to the 21...

Page 253: ...k when the value is negative When the criterion is satisfied 0 00 is displayed If there is no necessary data so calculation is not possible the field is blank The value is calculated by the following formulas 2P R 3 SPH AC A Necessary prism value for satisfying the criterion P Phoria value R Fusional convergence reserve or fusional divergence reserve Fusional convergence reserve basically uses blu...

Page 254: ... the following formula L 2S 3 SPH AC A Necessary prism value for satisfying the criterion L Relative fusion value greater in value S Relative fusion value less in value Fusional convergence reserve is normally calculated using blur value Far point 9 Near point 16 for calculation However if there is no blur value break value Far point 10 Break Near point 16 Break is used for calculation For fusiona...

Page 255: ...tion stimulus of 13D or less and a graph for accommodation stimulus of 3D or less The graph type can be selected by the Graph display parameter To have the range of the graph reflected in the print set the Graph print parameter For details see 3 19 1 Parameter Settings Page 133 As 13 00D Vertical axis accommodation stimulus is 0 to 13 00D Horizontal axis con vergence stimulus is 20 BI to 100 BO As...

Page 256: ...ne Dz When the Graph type parameter is set to Type 1 and Graph display parameter is set to As 3 00D RCS line RCI line Donders line Phoria line Switches to the Nor mal Data List function button Criterion area key Criterion area key 238 21 Point Exams only for Plus Package 21 Point Exams Result only for Plus Package 161221687130 承認済 Uncontrolled copy when printed ...

Page 257: ...s added accommodation Convergence line A vertical line drawn to the NPC value Phoria line A line from 8H Phoria F to 13B H Phoria N This line is drawn when 8 and 13B data are entered RCI line When the Graph type parameter is set to Type 1 A line from break point of 11Div F to the blur point of 17Div N When there is no blur point for 17Div N the line is drawn to the break point When the Graph type ...

Page 258: ...t for 9 and 16 use the break point When the 9 blur point exceeds 15 draw the line with the Type 1 procedure Criterion area key Pressing this key displays the Morgan s criterion area on the graph The patient s visual function can be compared visually to the Morgan s criterion Phoria criterion area RCS criterion area RCI criterion area NRA criterion area PRA criterion area RCS criterion area RCI cri...

Page 259: ...n the Graph type parameter is set to Type 1 and Graph display parameter is set to As 3 00D Dz When the Graph type parameter is set to Type 2 and Graph display parameter is set to As 3 00D Phoria criterion area 241 21 Point Exams only for Plus Package 21 Point Exams Result only for Plus Package 5 161221687130 承認済 Uncontrolled copy when printed ...

Page 260: ...ge See 8 4 Preset Addition Power Page 268 19 cannot be determined when age and measurement value are not entered With the necessary data collected pressing Help justifies the group A B and displays the direction of the prescription For determination to occur three or more readings of any one of H L or N are necessary for the A group and four or more for the B group When the A group has three or mo...

Page 261: ...iary lens when the 21 Point Exams button is pressed can be changed 1 Select Programming 1 Display the main menu screen Press 2 Press Others 3 Press Settings of 21 Point Exams Setting of 21 Point Exams screen is dis played 2 Select the test for which the settings are to be changed Settings for the test displayed in gray can not be changed 161221687130 承認済 Uncontrolled copy when printed ...

Page 262: ...ings cannot be changed 16 Conv N Settings cannot be changed 21 NRA ٤ ٤ 20 PRA ٤ ٤ 14A C Cyl Mon ٤ Initial addition power is settable 15A H Phoria 14A value ٤ ٤ 14B C Cyl Bin Settings cannot be changed 15B H Phoria 14B value ٤ ٤ 19 lens ٤ 19 NPA ٤ Near Point of Convergence NPC Settings cannot be changed 12A V Phoria F ٤ ٤ ٤ 12B Supra F ٤ 12B Infra F ٤ 18A V Phoria F ٤ ٤ 18B Supra N Settings cannot ...

Page 263: ...ia F and 12A V Phoria F Auxiliary Lenses selection button Auxiliary Lenses selection window is displayed and auxiliary lens can be selected Designated eye selection button Eye for which the prism value is to be increased decreased R L Binocular can be selected Chart selection button Select the presenting chart A masked VA chart can be programmed Chart selection button Auxiliary Lenses selection bu...

Page 264: ...nd 18A V Phoria N Auxiliary Lenses selection button Auxiliary Lenses selection window is displayed and auxiliary lens can be selected Designated eye selection button Eye for which the prism value R L Binocular can be selected is to be increased decreased Auxiliary Lenses selection button Designated eye selection button Factory setting of 13B H Phoria N Gradient AC A 15B H Phoria according to 14B v...

Page 265: ... Binocular eye The chart is fixed as Near point VA 20 200 the auxiliary lens is binocular open Settings of 21 NRA and 20 RPA Only chart and designated eye can be selected Auxiliary lens is fixed Designated eye selection button The eye R L Binocular increases decreases the spheri cal value can be selected Chart selection button Near point VA0 63 Near point VA 20 㹼 200 or Near point vertical line ch...

Page 266: ... the green frame Turn the dial to set the initial add power with the green frame displayed The value can be set in the range of 5 00D to 5 00D Designated eye selection button The eye to be measured R L can be selected Initial add power set button Designated eye selection button Factory setting Initial add power 0 00D Designated eye R The chart is near point cross grid the auxiliary lens is fixed a...

Page 267: ...ry and contact NIDEK or your authorised distributor The display and presented chart disappear suddenly The RT 5100 goes into power saving mode Press any key to restore the display see page 27 None of the keys on the control box function Any abnormalities occurs Turn the main switch of the system table off and then turn it on again Pressing does not feed printer paper Replace the printer paper see ...

Page 268: ...the original position Insert the forehead rest at an angle 6 3 Cleaning Face Shields Clean the face shields before each refraction WARNING Be sure to secure the refractor head before removing or attaching the face shields If the refractor head is moved carelessly it may bump against someone or something and injury may occur 1 Remove the face shields from the refractor head The face shields can be ...

Page 269: ...ers Do not touch the printer head The hot printer head immediately after printing may cause a burn If the printer head is ruined or soiled printing quality may be reduced Do not pull the printer paper with the paper cover closed Doing so could cause malfunction of the printer When the printer paper gets jammed remove the paper by the same procedure as when replacing the printer paper cut the crump...

Page 270: ... cause printer failure Make sure that the printer paper does not tilt and a roll shaft is not misaligned Otherwise the paper cannot be properly fed 4 Pass the paper through the paper outlet and close the paper cover Paper end Press both top sides of the paper cover to surely close the cover Make sure that the cover is surely closed Otherwise the auto cutter may not work nor mally 161221687130 承認済 ...

Page 271: ...cing Printer Paper page 251 2 Apply the nozzle of a vacuum cleaner to the auto cutter to remove powdery paper Never blow off powdery paper with a blower If pow dery paper settles on the internal working structure malfunction may result 3 Supply the printer paper as it was CAUTION Do not touch the auto cutter The auto cutter may hurt fingers Do not touch the printer head The hot printer head immedi...

Page 272: ...side Screws Protective glass The protective glasses of the operator and patient sides are removed by unscrewing the four screws with a precise screwdriver Remove the face shields before removing the patient s side protective glasses Attach the protective glasses with the screws just after cleaning Failure to do so could allow dusts to be settled inside the RT 5100 It may affect the viewability or ...

Page 273: ...er refer to Directions for Use attached to the cleaner The Eye Care card reader contacts are on the lower surface Repeatedly insert the contact cleaner with the wiper part cloth attached surface facing downward several times to clean the reader contacts 6 9 Retightening Near Point Chart Holder When the near point rod is operated frequently for a long period of time the near point chart holder may ...

Page 274: ...256 MAINTENANCE List of Replacement Parts 161221687130 承認済 Uncontrolled copy when printed ...

Page 275: ...protection against electrical shock particularly regarding the following Allowable leakage currents Reliability of the ground connection if applicable Degree of protection against liquid entry The RT 5100 is classified as IPX0 39 The RT 5100 is a normal device as such does not provide protection with respect to harmful effects due to the ingress of water although it is protected against access to ...

Page 276: ...0 50 D Spherical lenses for retinoscope 1 5 D 2 0 D Red maddox rod Right eye horizontal Left eye vertical Fixed dissociation prism Right eye 6 BU Left eye 10 BI Dissociation prism for binocular balance Right eye 3 to 10 BD Left eye 3 to 10 BU Dissociation prism for horizontal phoria Right eye 3 to 10 BU Left eye 3 to 10 BD Dissociation prism for vertical phoria Right eye 5 to 15 BI Left eye 5 to 1...

Page 277: ...ring transport and storage Temperature 10 to 55 C 14 to 131 F Humidity 10 to 85 No condensation Pressure 700 to 1060 hPa during storage 500 to 1060 hPa during transport Environmental conditions during use Temperature 10 to 35 C 50 to 95 F Humidity 30 to 85 No condensation Pressure 800 to 1060 hPa Installation location Interior Others Class of protection for applied part Type B Class of protection ...

Page 278: ...screen pen 1 unit Dust cover 1 unit Communication cable MB RB 1 unit Communication cable CB RB 1 unit Printer paper 3 rolls Power cord 1 unit Ferrite core only unit and stand types 3 units Hexagonal wrench 2 5 mm 1 unit Operator s manual 1 volume 7 3 2 Optional accessories Mirror for examiner Eye Care card a set of five cards EyeCa RW2 Eye Care card reader writer Memory box Contact cleaner Plus Pa...

Page 279: ...spherical power of one eye is neg ative and the other is 0 D A 1 First glasses For the patient who has not worn glasses This adjustment is applicable when the patient does not bring his her glasses or LM data is not entered in the refractor Auto adjustment A certain power is reduced from each spherical power The difference between the left and right eyes shall be within 0 75 D Semi auto adjustment...

Page 280: ...herical powers can be adjusted within the len sometry data over the full correction only when the LM data is overcorrected Same as Semi auto adjustment of A 1 First glasses B Hyperopia When the spherical powers of both eyes are positive or when the spherical power of one eye is posi tive and the other is 0 D B 1 First glasses Auto adjustment The full correction remains as it is basically The diffe...

Page 281: ...o not change When the difference between the right and left cylindrical powers is large the powers may be changed up to 0 25 D only This is because the patient eyes do not adjust to the glasses well with 0 D of monocular vision C 2 With glasses When the LM data has been entered Auto adjustment A certain power is reduced from each cylindrical power When the lensometry data is overcorrected the full...

Page 282: ...ones and change the axis When the difference between the right and left cylindrical powers is large the powers may be changed up to 0 25 D only This is because the patient eyes do not adjust to the glasses well with 0 D of monocular vision D 2 With glasses When the LM data has been entered Auto adjustment A certain power is reduced from each cylindrical power When the lensometry data is overcorrec...

Page 283: ...y data G One is Myopia and the Other is Hyperopia The auto adjustment is not performed The Dominant far S 0 Dominant near S 0 message appears When the right and left powers are low correction may be not necessary However it is recommended to adjust the powers depending on the patient s purpose For the patient who uses glasses for distance far correction Adjust the positive spherical power close to...

Page 284: ... filter Vertical line 6 BU prism Prism H Horizontal line 10 BI prism Prism V Fixation Horizontal maddox Vertical maddox Prism H V Schober Red filter Green filter Prism H V Cross grid for near point Fixed cross cylinder lens or ADD VA chart for near point ADD The slash indicates that the auxiliary lens changes alternately each time the chart button is pressed The lens on the right side is placed in...

Page 285: ...20 400 6 120 0 06 6 100 0 063 20 320 0 08 20 250 6 75 0 1 20 200 6 60 0 125 6 48 0 15 20 150 0 16 6 38 0 2 20 100 6 30 0 25 20 80 6 24 20 70 0 3 6 20 0 32 20 60 0 4 20 50 6 15 0 5 20 40 6 12 0 6 6 10 0 63 20 30 0 7 0 8 20 25 6 7 5 0 9 1 0 20 20 6 6 1 2 6 5 1 25 20 15 1 5 6 4 1 6 2 0 20 10 6 3 2 5 161221687130 承認済 Uncontrolled copy when printed ...

Page 286: ...er D RT 5100 Age Preset ADD power D When Preset ADD parameter is set to Setting 1 Low When Preset ADD parameter is set to Setting 2 High 45 1 5 45 or younger 0 75 1 00 50 2 00 50 1 25 1 75 55 2 25 55 1 50 2 00 60 2 50 60 1 75 2 25 65 2 75 65 2 00 2 50 70 3 00 66 or older 2 25 3 00 75 3 25 When the Preset ADD parameter is set to Non the add power is not preset 161221687130 承認済 Uncontrolled copy whe...

Page 287: ...he basis for calculation of the range of clear vision accommodation suggested according to the age can be used Age Accommodation D 10 13 2 15 11 2 20 9 8 25 8 5 30 7 3 35 6 1 40 4 9 45 3 4 50 2 3 55 1 6 60 1 2 65 0 7 70 0 3 Reference Sakuyama Fujio ed and Izumi Yukio Ippankussetsukensa 161221687130 承認済 Uncontrolled copy when printed ...

Page 288: ... the AR data Spherical power D Estimated VA value Decimal Fraction feet Fraction meters From 7 25 0 03 20 600 6 200 0 032 6 25 to 7 00 0 04 20 500 6 150 5 25 to 6 00 0 05 20 400 6 120 4 25 to 5 00 0 06 20 320 6 100 0 063 3 25 to 4 00 0 08 20 250 6 75 2 25 to 3 00 0 1 20 200 6 60 2 00 0 2 20 100 6 30 1 75 0 3 20 60 6 20 0 32 1 50 0 4 20 50 6 15 1 25 0 5 20 40 6 12 1 00 0 6 20 30 6 10 0 63 0 75 0 7 ...

Page 289: ...nce test when the Fog for binocular bal ance parameter is set to Yes VA value subjective Binocular fog amount D Decimal Fraction feet Fraction meters Up to 0 8 Up to 20 25 Up to 6 7 5 0 0 9 0 25 1 0 20 20 6 6 0 25 1 2 6 5 0 50 1 25 0 50 20 15 0 50 1 5 6 4 0 50 1 6 0 50 2 0 20 10 6 3 0 75 2 5 0 75 161221687130 承認済 Uncontrolled copy when printed ...

Page 290: ...ylinder test axis Measure the cylindrical axis with the cross cylinder lens 8 R Cross cylinder test power Measure the cylindrical power with the cross cylinder lens 9 R Red green test Spherical refinement with the red green chart fog 0 5 10 R Best possible VA check monocular full correction Best possible VA on the chart with the most plus power 11 L AR data check Check that the VA is about 20 30 i...

Page 291: ...6 R Best possible VA check monocular full correction Best possible VA on the chart with the most plus power 7 L AR data check Check that the VA is about 20 30 in the AR data 8 L Red green test Spherical refinement with the red green chart fog 0 5 9 L Cross cylinder test axis Measure the cylindrical axis with the cross cylinder lens 10 L Cross cylinder test power Measure the cylindrical power with ...

Page 292: ...le VA on the chart with the most plus power 7 L AR data check Check that the VA is about 20 30 in the AR data 8 L Red green test Spherical refinement with the red green chart fog 0 5 9 L Cross cylinder test axis Measure the cylindrical axis with the cross cylinder lens 10 L Cross cylinder test power Measure the cylindrical power with the cross cylinder lens 11 L Red green test Spherical refinement...

Page 293: ...s Measure the cylindrical axis with the cross cylinder lens 26 L Cross cylinder test power Measure the cylindrical power with the cross cylinder lens 27 L Red green test Spherical refinement with the red green chart fog 0 5 28 L Best possible VA check monocular full correction Best possible VA on the chart with the most plus power 29 B Binocular balance test Test the binocular balance 30 B Stereo ...

Page 294: ...R Best possible VA check monocular full correction Best possible VA on the chart with the most plus power 7 L AR data check Check that the VA is about 20 30 in the AR data 8 L Red green test Spherical refinement with the red green chart fog 0 5 9 L Cross cylinder test axis Measure the cylindrical axis with the cross cylinder lens 10 L Cross cylinder test power Measure the cylindrical power with th...

Page 295: ...nt Chart Standard 8 8 9 Near Point Chart Standard 1 Letters 0 1 0 32 2 Cross Grid 3 Numbers H 0 63 40 cm 4 Landolt s rings 40 cm 5 Letters 0 4 1 0 6 Letters Numbers 0 63 40 cm 161221687130 承認済 Uncontrolled copy when printed ...

Page 296: ...7 Numbers V 0 63 40 cm 8 Astigmatism 278 APPENDIX Near Point Chart Standard 161221687130 承認済 Uncontrolled copy when printed ...

Page 297: ...r Point Chart II 8 8 10 Near Point Chart II A Letters 40 cm B Cross Grid C Numbers H 0 63 40 cm D Numbers H 1 0 40 cm E Landolt s rings 40 cm F Letters Numbers 0 63 40 cm 161221687130 承認済 Uncontrolled copy when printed ...

Page 298: ...G Numbers V 0 63 40 cm H Numbers V 1 0 40 cm 280 APPENDIX Near Point Chart II 161221687130 承認済 Uncontrolled copy when printed ...

Page 299: ...information provided in this manual Portable and mobile RF communications equipment can affect the device O Specified cable Part name Connector Shielded Cable Shielded Ferrite Core Length m Power cable No No No 2 5 Cable MB Yes Yes No 7 0 Cable CB Yes Yes No 5 0 Cable PR Yes Yes No 2 0 Communication cable AR Yes Yes Yes 15 0 Communication cable LM Yes Yes Yes 15 0 Communication cable CP Yes Yes Ye...

Page 300: ...nvironment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Electrostatic Discharge ESD IEC 61000 4 2 6 kV contact 8 kV air 6 kV contact 8 kV air Floor should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Electrical fast transient burst IEC 61000 4 4 2 kV for power supply lines 1 kV...

Page 301: ...ronment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the device is used exceeds the applicable RF compliance level above the device should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the device b Over the f...

Page 302: ...284 EMC ELECTROMAGNETIC COMPATIBILITY 161221687130 承認済 Uncontrolled copy when printed ...

Page 303: ... No 117 L Left side switch 5 Level 3 Level adjustment knob 3 M Maddox test 178 179 Morgan analysis 8 242 N Near Chart 102 Near Point Chart 3 277 Near Point Chart II 3 279 Near point of accommodation test 203 Near point of convergence test 202 Near point rod 3 Near vision test 51 59 71 Negative relative accommodation test 204 P Parameter 133 Phoria test 166 Phoria with fixation test 170 Pointer tes...

Page 304: ...el calibration 132 Troubleshooting 249 V Vertical coincidence test 181 Vertical line isolation 75 Vision diagram 111 Visual function analysis 8 237 Von Graefe test 174 176 W Working distance 51 59 72 Worth test 192 161221687130 承認済 Uncontrolled copy when printed ...

Page 305: ...ted herein will not be intended as or construed to be any assignment of the rights of NIDEK or the owner of the Third Party Software The Software and the Third Party Software are protected by copyright and other intellectual property laws and inter national treaties 3 LIMITATIONS 3 1 You may not use the Software for any products without a license of the Software 3 2 You may not analyze reverse eng...

Page 306: ...les of The Japan Commercial Arbitration Association Judgment upon the award rendered by arbitration will be final and may be entered in any court having jurisdiction thereof 10 SEVERABILITY 10 1 If any provision or any portion of any provision of this Agreement will be held to be invalid or unenforceable that provision will be severed from this Agreement and such invalidity or unenforceability wil...

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