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Yeasn YPA-2100 User Manual Download Page 10

 

 

5 

 

 

3. Main Structure 

3.1 Host 

Front side (tester side) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Back side (testee side)   

 

 

 

 

 

 

 

9.Spirit level 

5. Cornea observation window

6.Testing window

8.Short-distance visual chart

7.Short-distance vision rod

3.Forehead baseplate knob

2.Forehead baseplate indicator Forehead

1.Horizontal adjusting knob

12.Cornea alignment window

11.Forehead baseplate

4.Near vision indicator

Summary of Contents for YPA-2100

Page 1: ...YPA 2100 DIGITAL REFRACTOR User Manual Version 1 0 Date 20180521...

Page 2: ...ople with high quality complete function and more personalized devices Information in promotional materials and packing boxes is subject to changes due to performance improvement without additional no...

Page 3: ...evice onto the compound table 8 4 2 2 Install short distance visual chart 8 4 2 3 Install short distance vision rod 9 4 2 4 Horizontal adjustment after installation 9 4 2 5 Install printing paper 10 4...

Page 4: ...ck test rotatory heterophoria 58 5 5 10 Worth 4 dot test 59 5 5 11 Stereopsis 60 5 5 12 Divergence test 61 5 5 13 Congregation test 62 5 5 14 Near point congregation NPC test 63 5 5 15 Near point adju...

Page 5: ...13 Electrical Schematic Diagram 82 14 Electromagnetic Compatibility 83...

Page 6: ...cylinder fixed crisscross cylinder 0 50D one at left one at right the axle is fixed at 90 c Pinhole plate hole diameter 1mm one at left one at right d ross plate used when setting pupil distance one a...

Page 7: ...3 9kg 2 Printing base about 0 6kg The design and specifications are subject to changes due to technical updates without additional notice 2 Safety Precautions Please read the following matters needing...

Page 8: ...ng it Do not dismantle or touch the interior parts of the device otherwise it may cause electric shock or device failure The device has passed electromagnetic compatibility test which is in accordance...

Page 9: ...a Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienc...

Page 10: ...it level 5 Cornea observation window 6 Testing window 8 Short distance visual chart 7 Short distance vision rod 3 Forehead baseplate knob 2 Forehead baseplate indicator Forehead 1 Horizontal adjusting...

Page 11: ...w through which to observe and confirm the distance of the tester s corneal vertex 6 Testing window Light aperture for testing 7 Short distance vision rod Install and support the short distance visual...

Page 12: ...switch Turn on power switch power indicator is lit up 2 Printing bin Install printing papers 3 LAN Port Connect to LAN preserved port 4 R232 serial port Connect to lens meter LM computer vision teste...

Page 13: ...Printing paper 2Rolls Power Cord 1Pcs DC power cord 1Pcs Hex wrench 2 0mm 1Pcs Hex wrench 2 5mm 1Pcs Hex wrench 3mm 1Pcs Stainless steel flat head set screw M6 8 2Pcs 4 2 Installation Instructions 4 2...

Page 14: ...he vision rod at the knob and keep the end of the vision rod close to the end of the installation hole in the vision tester host 4 2 4 Horizontal adjustment after installation Rotate the horizontal ad...

Page 15: ...ith the nameplate serial number 4 WPA PSK WPA2 PSK PSK password yeasn2002 5 After the setting is completed click the Reboot Router button on the setting interface 4 2 7 Install APP 1 Please contact th...

Page 16: ...configured with the device 2 Start up the host first press the power switch on the printing base the power indicator is on 3 After the host is initialized start up the compound laptop and open the op...

Page 17: ...the dominant eye 5 Measurement mode LD Long distance mode SD short distance mode Press LD or SD to shift between long distance mode and short distance mode 6 PD Press this key to display left pupil d...

Page 18: ...indrical power of left eye 12 A Cylindrical axis input window Press A input window aside R to input the cylindrical axis of right eye press A input window aside L to input the cylindrical axis of left...

Page 19: ...mode key Press this key to shift prismatic power between polar coordinate model and X Y rectangular coordinate model 22 Quick Set Click this key to quickly set spherical lens step cylinder axis step a...

Page 20: ...ly after powering on If icons disappear the peripheral devices are not well connected 29 System Setting Click this key to set system 30 Right auxiliary lenses Click this key to popup the choice box re...

Page 21: ...s Assistant lens key to display assistant lens interface 2 Press corresponding keys in the interface to The selected assistant lens will be called in the testing window and return to testing interface...

Page 22: ...w Baffle plate shelter testing window Pinhole plate hole diameter 1mm Right eye red optical filter left eye green optical filter Right eye 45 linear polarized optical filter left eye 135 linear polari...

Page 23: ...ress to change angle Binocular equilibrium prism press to change prismatic power Horizontal heterophoria prism press to change prismatic power Vertical heterophoria prism press to change prismatic pow...

Page 24: ...19 Press to enlarge PD press to reduce PD 3 Press to exit PD input interface...

Page 25: ...big spherical power 1D or above is 1D Slit step 1 5 Factory default 5 Set step size for single slit axis selectable between 1 and 5 Display X Y and r Factory default r Selectable between rectangular...

Page 26: ...etting short distance vision test Set it On the short distance indicator is automatically on during ADD testing mode and short distance vision test Except grid the short distance indicator is automati...

Page 27: ...lt off Set if delete measuring data after printing Clear data on off factory default off Set if prompt Confirm delete message when pressing delete Set it Yes to avoid mistaken deletion of data when th...

Page 28: ...data the vision tester automatically selects input data to carry out subjective optometry When inputting two sets of AR or LM data the vision tester automatically selects input data AR the vision test...

Page 29: ...ing lens in the testing window 5 Keep the patient s forehead on the baseplate the indicator is off 6 The tester can observe the testee s eyes through testing window to make sure his eyes are in the ce...

Page 30: ...25 5 4 Standard Optometry Procedure Press Program Reg to start up standard optometry procedure 1 Press to input AR computer refractor measurement data...

Page 31: ...26 key...

Page 32: ...ffled test uncased right eye vision Call in visual chart to test the best right eye vision Input the tested right eye vision 2 Left eye test R testing window is baffled test uncased left eye vision Ca...

Page 33: ...28 Call in visual chart to test the best binocular vision Input the tested binocular vision 3 Press to select if input degree with glasses Select No to skip to step 6 select Yes to skip to step 4...

Page 34: ...29 4 Press to input degree with glasses Use LM to measure the degree of the glasses the patient wears and input measurement data...

Page 35: ...30 5 Press to test the patient s vision with glasses Test the patient s vision with glasses according to step 2 the method to test the uncased eye vision of the patient...

Page 36: ...ctive correction Right eye scieropia Baffle the left eye change the cylindrical power of right eye to 0 Put on 0 5 sighting mark and then gradually increase the positive spherical power until the 0 5...

Page 37: ...y distinct If the answers are The definitions of all lines look the same No astigmatism turn to step 9 One line looks especially distinct Multiply the smaller figure 1 6 corresponding to the especiall...

Page 38: ...ly adjust the cylindrical power until the definitions of lines to all directions in the astigmatism disc are the same 9 Press message prompts skip crisscross cylinder test When the cylindrical power i...

Page 39: ...34 10 Press and call in 0 8 sighting mark take 0 25D sphere as increment to gradually adjust the spherical power until the patient sees the sighting mark clearly...

Page 40: ...which side looks more distinct If the letter in the red side looks more distinct press to increase 0 25D spherical power If the letter in the green side looks more distinct press to decrease 0 25D sph...

Page 41: ...sighting mark and 0 25D crisscross cylinder 2 Reverse side 1 and side 2 of the crisscross cylinder ask the patient which side is more distinct When the side 1 is more distinct enlarge the axis When th...

Page 42: ...37 4 Click key shift to 0 5XC 5 Click the key again shift to automatic mode Slit Prism...

Page 43: ...ye 1 Reverse side 1 and side 2 of the crisscross cylinder ask the patient which side is more distinct When the side 1 is more distinct enlarge the astigmatic power When the side 2 is more distinct red...

Page 44: ...which side looks more distinct If the letter in the red side looks more distinct press to increase 0 25D spherical power If the letter in the green side looks more distinct press to decrease 0 25D sph...

Page 45: ...g mark Adjust spherical power and ask the patient to keep eyes on the sighting mark Ask the patient when the sighting mark looks more distinct Take the lowest spherical power when the 1 0 sighting mar...

Page 46: ...41 16 25 Press to test the best vision of the left eye according to above step 6 15 So far the SUBJ test for the left eye is finished...

Page 47: ...s on the sighting mark and compare the definitions of upper and lower sighting marks If the upper sighting mark is more distinct than the lower sighting mark press to reduce 0 25D spherical power for...

Page 48: ...spherical powers of two eyes by 1 00D synchronically remove the prism in the binocular testing window call in 1 0 sighting mark enlarge the spherical powers of two eyes by 0 25D synchronically until...

Page 49: ...4 dots test 1 Call in red optical filter in R testing window and green optical filter in L testing window and Worth 4 dots sighting mark 2 Confirm which points the patient can see clearly 3 Input the...

Page 50: ...1 Call in red optical filter in R testing window and green optical filter in L testing window and stereo sighting mark 2 Confirm if the patient can see four straight lines with stereo clearly 3 Input...

Page 51: ...46 30 Press message near vision test prompts Select Yes skip to step 31 Select No skip to step 34 the test is finished...

Page 52: ...47 31 Input patient age 1 Call 0 50D fixed crisscross prism in the binocular testing window 2 Input the patient s age Shift long distance degree to correction degree...

Page 53: ...the horizontal line or the vertical line which is more distinct Or the horizontal line and the vertical line look the same If the horizontal line and the vertical line look the same there is no need...

Page 54: ...ess to carry out near vision test 1 Remove 0 50D fixed crisscross cylinder 2 Select short distance visual chart to test the vision 3 Make the patient see the sighting mark clearly to reach ideal visio...

Page 55: ...50 34 Press to finish the test...

Page 56: ...ne and the vertical line look the same there is no need to carry out near vision test and wear presbyopia glasses If the horizontal line is more distinct than the vertical line increase two eyes by 0...

Page 57: ...ect the vertical heterophoria according to right eye heperphpria until it turns into a cross Esophoria left eye hypophoria Correct the horizontal heterophoria according to esophoria method and correct...

Page 58: ...phoria Increase BI prismatic power until it turns into a cross Left eye hyperphoria Increase BU prismatic power in right eye and BD prismatic power in left eye until it turns into a cross Right eye hy...

Page 59: ...ross ring sighting mark Binocular circular polarized optical filter polarized cross ring sighting mark 1 Call in cross ring sighting mark 2 Ask the patient about the sighting mark he sees and test acc...

Page 60: ...test according his answers 2 1 Horizontal image inequality If the sizes of the upper and lower frames are equivalent there is no horizontal image inequality if the sizes of the upper and lower frames...

Page 61: ...ames are not equivalent there is vertical image inequality As shown in right figure about 3 5 image inequality The straight line width of the sighting mark amounts to 3 5 image inequality 2 2 Vertical...

Page 62: ...addox rod test horizontal heterphoria Test purpose to test horizontal heterophoria Test sighting mark Maddox rod sighting mark Assistant lens right eye horizontal Maddox rod left eye rotatory prism 1...

Page 63: ...clock sighting mark 1 Call in clock sighting mark 2 Ask the patient about the sighting mark he sees and test according his answers Sighting mark shape Diagnosis Correction No rotatory heterophoria Ali...

Page 64: ...Dot number Sighting mark shape Description Diagnosis 4 Red squares and round dots green crosses Two eyes have fusion function Right eye is dominant eye 4 Red squares green crosses and round dots Two e...

Page 65: ...ntral round point are at the same plane and four short lines protrude outwards the distances from the short line aside figure 12 3 6 and 9 to the eye are seemly shortened and the short line aside figu...

Page 66: ...capability Test sighting mark the column sighting marks in the visual chart Assistant lens binocular rotatory prism Make sure the Congregation and divergence test parameter is set On 1 Under prism mod...

Page 67: ...congregation capability Test sighting mark the column sighting marks in the visual chart Assistant lens binocular rotatory prism Make sure the Congregation and divergence test parameter is set On 1 P...

Page 68: ...ke them off Test purpose to test split point Test sighting mark cross fixation sighting mark or nib that can easily cause diplopia 1 Press choose Near Point 2 NPC NPA NRA PRA showing simultaneously to...

Page 69: ...showing simultaneously to shift to short distance mode 2 Press NPA to open binocular testing window 3 Place the visual chart in the distance of 40cm make sure the patient see clearly the letter sight...

Page 70: ...ed then save the prismatic power of the obscure point 5 Press and to gradually adjust the spherical power until the sighting mark becomes distinct again Press the recover icon and it is highlighted th...

Page 71: ...point 5 Press and to gradually adjust the spherical power until the sighting mark becomes distinct again Press the recover icon and it is highlighted then save the prismatic power of the recover point...

Page 72: ...67 3 Program 1 A B C D are recommended vision test steps users can also add or delete as needed...

Page 73: ...68 2 E F G H are empty status users can customize all the steps by themselves 3 Keys Introduction Edit Key Click it to enter program customizing interface Clear Key Click it to delete this step...

Page 74: ...69 Add Key Click it to add one step automatically 4 Click key to enter program customizing interface...

Page 75: ...70 5 Headline can be input into the Program E box According to user s need Editting the vision test program and then click OK key to save the setting...

Page 76: ...71 5 6 2 Run Customized Program 1 Go back to Measurement Interface Click key to popup the program choice box 2 Choose Program E...

Page 77: ...lick key to start to run customized program 5 7 Communication 5 7 1 Communication with Lensmeter CCQ 800 1 Use special communication cable to connect CCQ 800 to the R232 port of the print box 2 Click...

Page 78: ...73 3 Click key to popup input box...

Page 79: ...74 4 Use CCQ 800 lensmeter to test lens data and convey the date to YPA 2100 5 Click key 6 Choose No00001...

Page 80: ...75 7 Click key to complete data import...

Page 81: ...the device as per below chart to obtain guidance If the trouble is not shot please contact with Chongqing Yeasn Science Technology Co Ltd Maintenance Department or the authorized dealer Trouble Reaso...

Page 82: ...nal position Insert it into the device in a certain direction 7 2 Clean the nose baseplate Clean the nose baseplate before every optical test 1 Take off the nose baseplate from the vision tester host...

Page 83: ...ow gently when cleaning it Otherwise it may scratch the testing window glass 7 4 Clean external parts When the external parts such as the enclosure or panel get dirty please wipe them gently with clea...

Page 84: ...ut in the new printing paper Attention Pay attention to the paper roll s direction If the paper roll is installed reversely the printer won t print any data 3 Put the printing paper through the paper...

Page 85: ...a failure occurs please contact with local dealer or manufacturer 8 5 The company is committed to providing users with necessary circuit diagrams part list and other relevant materials as needed 9 En...

Page 86: ...repairs are carried out by authorized personnel by the company Electrical facilities in the room are in conformity with relevant requirements and The device is used according to the User Manual 12 Sy...

Page 87: ...82 13 Electrical Schematic Diagram For further information and services or any questions please contact with the authorized dealer or manufacturer We will be happy to help you...

Page 88: ...nce RF emissions GB 4824 CISPR 11 Group 1 The device uses RF energy only for its internal function Therefore its RF emissions are very low and not likely to cause interference in nearby electronic equ...

Page 89: ...V line to earth 1kV line to line 2kV lien to earth 1kV line to line 2kV line to earth Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruption...

Page 90: ...strengths from fixed RF transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equi...

Page 91: ...n distance according to frequency of transmitter m 150kHz 80MHz d 1 2 80MHz 800MHz d 1 2 800MHz 2 5GHz d 2 3 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transm...

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