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Potec PRK-8000, Operation Manual

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PRK-8000 Operation Manual

 

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8. Classifications and Specifications

   

 
 

8.1 Classifications

   

 
Classification of equipment: Class 

Ⅰ

 

Applied part of equipment: TYPE 

B

 Applied Part(Chinrest & Headrest) 

Protection against electric shock: Class 

Ⅰ

 

Protection against harmful ingress of water: Ordinary (IPX0) 
Method of sterilization: Not applicable 
Stability of use in an Oxygen Rich Environment: Not suitable 
Mode of operation: Continuous operation 
 

Summary of Contents for PRK-8000

Page 1: ...OPERATION MANUAL AUTO REF KERATOMETER PRK 8000 Revision 1 0 www potec biz 2016 10 Before using the instrument be sure to read this manual thoroughly ...

Page 2: ......

Page 3: ... the use of the information contained herein Upon request circuit diagrams component part lists descriptions calibration instructions or other information will be provided to assist service personnel to repair parts of the equipment that are designated by POTEC as repairable by service personnel POTEC reserves the right to make changes in its products or product specifications at any time and with...

Page 4: ...and is therefore responsible that the system complies with the requirements of the system standard IEC 60601 1 2005 Clause 16 If in doubt consult the technical service department or your local representative For U S A Do not make any changes or modifications to the equipment unless otherwise specified in the manual If such changes or modifications should be made you could be required to stop opera...

Page 5: ... will help prevent potential negative consequences for the environment and human health z For more detailed information about disposal of your old appliance please contact your city office waste disposal service or the shop where you purchased the product General Safety Information If you see any warnings or cautions printed on the warning labels follow the safety instructions in this manual Ignor...

Page 6: ...t placed his her hand or fingers under the chin rest Otherwise hand or fingers may be hurt CAUTION Wipe the forehead rest with ethanol or glutaraldehyde solution to disinfect it each time a different examinee uses it in order to prevent infection CAUTION Change the chin rest paper each time the examinee changes in order to keep the chin rest clean CAUTION Do not place your hand or fingers between ...

Page 7: ... addition to a designated single multiple socket outlet CAUTION Maximum permissible load of each socket outlet used for the PRK 8000 system shall not be less than 100VA CAUTION If non medical electrical equipments e g Video monitor IT equipment etc that are connected with the PRK 8000 are directly connected to the wall socket outlets high touch current may flow since the earth continuity is not en...

Page 8: ...Mode 17 5 4 Contact Lens Base Curve Measurement CLBC mode 19 5 5 Peripheral Keratometry K P Mode 20 6 Other Modes 23 6 1 Semi Auto Eye Tracking 23 6 2 Measuring Cornea Diameter SIZE Mode 24 6 3 Observe image obtained by Retroillumination ILLUM Mode 27 6 4 DISPLAY Mode 30 6 5 SETUP Mode 31 7 Self Inspection and Maintenance 38 7 1 Before Calling a Service Person 38 7 2 Replacement 40 7 3 Cleaning 40...

Page 9: ... change the measurement modes delete unnecessary modes and or change order for printing results By rotating the monitor you can see the screen from multiple directions 6 User friendly operation features You can easily operate the product with touch screen 7 Easy Connection with Other Equipments This instrument is designed to connect other equipments using RS 232 or USB communication 8 External VGA...

Page 10: ...ep clean the objective glass of the examinee side If it is stained with other substance it may effect on error or inaccurate measurements 6 Don t press the TOUCH BUTTON on LCD monitor by nail or sharp object It may make scratch on the surface of LCD 7 Disconnect the power supply and consult the dealer in case there is smoke strange odor or noise on working 8 Don t use organic solution such as alco...

Page 11: ... Unit that performs measurement Printer Print the measured result Stage Holding Lever Holds the movement of stage sliding table Chinrest Lever Align the height of chin rest up and down Monitor Monitor that displays Measurement and SET Modes displays Measuring button Press this button for measurement Operation Lever Use this lever for alignment and focusing Clamping bolt Makes the system stage fixe...

Page 12: ...ector Connector for the power supply cable Forehead Rest rubber Place the examinee s forehead against this rest Measurement window Window for the examinee to look into for measurement Chin Rest Place the examinee s chin on this rest If you want to connect the input output signal ports and other devices that must meet IEC standards IEC60950 IT equipment IEC60601 medical equipment If in doubt should...

Page 13: ...der to OFF ON semi automatic eye tracking Press this button in order to change CYL form Press this button when the examinee s eye is difficult to measure due to cataract or examinee with intraocular lens IOL Press this button in order to enter SIZE Mode where you can measure the diameter of cornea etc Press this button in order to enter RET Retroillumination Mode where you can observe the image ob...

Page 14: ...tating the monitor you can view the screen from various directions When you rotate the monitor hold both sides of the monitor then rotate smoothly given the power Forcibly rotating may cause a malfunction Tilting Up and Down Rotation Left and right 90 degrees ...

Page 15: ... on the base of the model eye with the holes on the chin rest And insert pins 3 Release stage lock Turn the stage holding knob in counterclockwise direction to release the stage lock 4 Adjust height of Test Model Eye Adjust the height of the chin rest by pressing CHINREST LEVER so that the Test Model Eye is aligned with the Height Adjustment mark on the face rest 5 Enter K R or REF Mode If neither...

Page 16: ... closer focus Æ Tilt the lever to operator 7 Measurement z Manual measurement a Adjust the position and focus on the model eye like the procedure 6 b Press the Measuring button At this point if measurement is failed with messages like ERROR repeat the procedure a and press the Measuring button again c Check whether diopter value is measured or not Diopter value is recorded in the bottom area of th...

Page 17: ...r immediately turn OFF the power switch unplug the power cable from the AC outlet and contact the dealer or the agent who where you purchase this instrument z When there is smoke strange odor or abnormal sound z When liquid has been spilled into the instrument or a metal object has entered through an opening z When the product has been dropped or its housing damaged Relation between buttons and mo...

Page 18: ... the chin rest Otherwise hand or fingers may be hurt CAUTION Wipe the forehead rest with ethanol or glutaraldehyde solution to disinfect it each time a different examinee uses it in order to prevent infection CAUTION Change the chin rest paper each time the examinee changes in order to keep the chin rest clean Have the examinee sit and place his her chin and forehead against the chin rest and fore...

Page 19: ...r eye opened wide until measurement ends Or help them open the eye wider by lifting up his her upper eyelid lightly with your fingers Looking at the monitor incline the operation lever to right or left and turn the operation lever so the pupil is concentric with the inner alignment mark If the pupil is large align it with the outer alignment mark Focus on the mire image by inclining the operation ...

Page 20: ... select the vertex distance z If you change setting for REF KER of SETUP Mode you can change display format of CYL value z When measured results are displayed changing for REF KER of SETUP Mode renders each cornea measured result of R1 R2 AX Æ K1 K2 AX Æ AR CY AX displayed in turn NOTES There can be error if the Outer Alignment Mark and the pupil is eccentric There may be some aberration to the me...

Page 21: ...urement this instrument adapted two type of infrared LED It was chosen to satisfy the amount of energy exiting from the instrument never exceed the limit value recommended by the international standard ISO 15004 This condition is satisfied even when the instrument is operating at maximum light intensity and maximum aperture Maximum intensity is the highest brightness the instrument is capable of d...

Page 22: ... off after printing is completed Fill the name of the examinee in the NAME box if necessary NOTES Results will be erased after printing transfer is performed It is recommended that a hard copy of the printouts be made if you wish to store it for a long time because printouts on the thermal paper are apt to deteriorate example of printout Confidence of Result Level Quality A High B C D Low F Fail ...

Page 23: ...lever The focus is correct the color of the aiming mark changes to yellow color 4 Measurement Press the measuring button Measurement will be continuously performed when the measuring button is kept pressed z If you change setting for REF KER of SETUP Mode you can select the vertex distance z If you change setting for REF KER of SETUP Mode you can change display format of CYL value NOTES There can ...

Page 24: ...k the IOL button then REF Image is shown on the monitor Make the six circles seen clearly by moving the operation lever Measure the REF by clicking the measurement button 5 Follow the same procedure 5 7 of the Continuous Keratometry and Refractometry K R Mode example of printout Confidence of Result Level Quality A High B C D Low F Fail 굴절측정 이미지 ...

Page 25: ...elect KER 2 Follow the same procedure 2 and 3 of the Continuous Keratometry and Refractometry K R Mode 3 Measurement Press the Measuring button Measurement will be continuously performed when the Measuring button is kept pressed z The measured results will be displayed on the monitor z In case of the continuous measurement previous measured result will be displayed z When measured results are disp...

Page 26: ...PRK 8000 Operation Manual 18 4 Follow the same procedure 5 7 of the Continuous Keratometry and Refractometry K R Mode example of printout Confidence of Result Level Quality A High B C D Low F Fail ...

Page 27: ...holder with the concave surface facing upward Contact lens is attached by surface tension Take care that the contact lens is not attached inclined Also take care that there are no bubbles behind the contact lens 3 Attach the TEST Model Eye Remove the chin rest paper Fix the model eye attached with contact lens using pin Place the contact lens to face the measurement window 4 Perform alignment and ...

Page 28: ... K P Mode Press MODE button on the left side of the display and then select K P 2 Follow the same procedure 2 and 3 of the Continuous Keratometry and Refractometry K R Mode Have the examinee look at the lit peripheral eye fixation lamp Blinking circle on the monitor show the lamp at the examinee s side is lit in order to make measurement Looking at the monitor align the mire image and alignment ma...

Page 29: ...not see any one of the previous measurements even if you select the target which has already been measured by pressing the touch screen Enter DISPLAY Mode if you wish to see the result of measuring other parts See chapter 6 NOTES Once you have entered MANU Mode you must end the measurement press PRINT button and start a new measurement in order to return to AUTO Mode Eccentricity E and EQ will not...

Page 30: ...eccentricity on measured meridian If the peripheral radius of curvature is larger than the center sign will be displayed If it is smaller sign will be displayed E Eccentricity on measured meridian Right Eye Left Eye Symbol 0 180 NAS 45 135 N S 90 90 SUP 135 45 T S 180 0 TEM 225 315 T I 270 270 INF 315 225 N I ...

Page 31: ...automatic eye tracking is enabled or disabled semi automatic eye tracking is enabled state semi automatic eye tracking is disabled state 2 Focusing In the measurement screen adjust the focus so that the yellow dot appears in the center of the pupil When semi automatic eye tracking is enabled state if the pupil position is detected the optical head height is automatically adjusted Pupil detection N...

Page 32: ...ress SIZE button in the Measurement Mode Press Exit button in order to go out SIZE Mode Change the mode CORNEAL SIZE Î PUPIL SIZE Î PD 2 Positioning and Focusing Ask the examinee to look at the red roof of the eye fixation target Control operation lever to align the pupil between the two vertical bars z If the diameter of contact lens is going to be measured focus on the edge of lens z If the diam...

Page 33: ...the window If the frozen image is not clear you can unfreeze the image by pressing the CAM button To move the vertical bar by pressing the button or button The measured value will be displayed on the monitor When you press the Measuring button it will save the measured value Unfreeze the image ...

Page 34: ...reen to move the vertical bar The measured value will be displayed on the monitor When you press the Measuring button it will save the measured value 5 PD Measurement Press the Mode button to select PD mode After proper alignment of the right eye and left eye press the measuring button each time When the measurement is complete the PD is displayed on the screen 6 Print Press the Exit button Î The ...

Page 35: ...e You can upload an image and display it in a magnified size to a computer 1 Enter ILLUM mode Press ILLUM button in the Measurement MODE Press Exit button in order to go out ILLUM mode Freeze Mode Display Freeze Ref Mode Display Press DISP button to enter menu display Light for retroillumination reflected from retina End of the ILLUM Mode Pupil change the amount of RETRO LED Sub Number Light sourc...

Page 36: ...paque by using the operation lever If the light is directed from the edge of the pupil it will be easier to observe the image Focus on the image z After confirming that the image is focused press measuring button The image will freeze z Because the LED light in ILLUM mode is more brighter then normal measurement mode if you observe a long period of time it can give stress in the eye of the examine...

Page 37: ...dard Size Display Double Size Display z In the enlarged image screen the image can be moved by dragging the lower left image End of the Select Image Mode Display in standard size or double size Change Images of eye Right Left side eye ...

Page 38: ...e Measurement Mode Press EXIT button in order to go out DISPLAY Mode NOTES Press one of four tab buttons on upper side of display Result of selected page will be displayed Press PRINT button to print the stored data Press CLEAR button to clear all stored data in memory REF screen KER screen CLBC screen K P screen Mode select CLEAR button EXIT change Cylinder Form PRINT button ...

Page 39: ... Press any un pressed button on display The selected button will be displayed in pressed button and the content will be changed NOTE There are some contents to be changed in the other way And such procedures will be instructed under the description of each item How to Enter the Measurement Mode Press EXIT button to quit the SETUP mode and enter the Measurement mode Items for REF VD Vertex distance...

Page 40: ... curvature on maximum meridian AX Axis on maximum meridian D K1 Refractive power on minimum meridian K2 Refractive power on maximum meridian AX Axis on minimum meridian AVE AR Average radius of curvature CY Corneal astigmatism AX Axis of corneal astigmatism INC K Increment of corneal power and astigmatism INDEX Corneal equivalent refractive index ...

Page 41: ...e10newestmeasurementsandanaveragevalueforeacheye AVE Average values only OFF Not printed K PRT Result of Keratometry to be printed out ALL Maximumofthe10newestmeasurementsandanaveragevalueforeacheye AVE Average values only OFF Not printed EYE ON A sketch of eyeball and refraction diagram to the results of refractometry are printed OFF Not printed ORDER Order of displaying the date TYPE Print econo...

Page 42: ... area represents the input position Press LINE button to change the row of the blinking cursor Pressing or button yields the right and left change of the position of the cursor Input of Messages Press any one of alphanumeric buttons to add character in the position of the blinking cursor Deletion of Messages If you press the DEL button the character of blinking cursor will be deleted If you press ...

Page 43: ...6000 PAV 6100 CANON RK RT 2100 RT 5100 VDR 2400 PC BPS RS 232 data transfer speed 2400 4800 9600 19200 57600 115200 It is only possible to select the BPS in PC mode 4 Adjust Brightness Adjust the brightness of monitor Press BRIGHT or BRIGHT button to adjust the brightness of monitor 1 23 ...

Page 44: ... related item to be decreased or increased by 1 2001 2099 Year 01 12 Month 01 31 Day TIME Time Pressing or button renders the related item to be decreased or increased by 1 00 23 Hour 00 59 Minute 00 59 Second ORDER Order of displaying the date Auto Measurment INIT AUTO START OFF Manual start after power ON ON Automatic start after power ON AUTO START COUNT 3 Continuousmeasurementstartsautomatical...

Page 45: ...t menu background color to black WHITE Set menu background color to white BEEP ON Enable BEEP sound in measurement mode OFF Disable BEEP sound POWER SAVE TIME min OFF Disable Power Save Function 5 EnterPowerSaveModeifthereisonoperationbyoperatorabout5minutes 10 EnterPowerSaveModeifthereisonoperationbyoperatorabout10minutes 30 EnterPowerSaveModeifthereisonoperationbyoperatorabout30minutes SYS V If ...

Page 46: ...lt the dealer 2 Message On Measuring Message Cause Remedy ERROR Alignment is improper Measure after aligning the pupil and the Alignment Mark properly Eyelid or eyelashes are covering the pupil Instruct the examinee to open his or her eyes wide or lift up the eyelid lightly with your fingers and measure again When the pupil is smaller than the Outer Alignment Mark The minimum pupil diameter that c...

Page 47: ...ctive glass in the measurement window is dirty Clean the glass OUT Sum of SPH and CYL of examinee s eye is over 30D Impossible to measure Radius of curvature is under 5 0mm Objective glass in the measurement window is dirty Clean the glass C OUT Astigmatism is over 10D Impossible to measure Corneal stigmatism is over 15D Objective glass in the measurement window is dirty Clean the glass 3 Message ...

Page 48: ... paper More than 50 sheets of paper can be attached 3 Insert the pins straight into the holes on the chin rest 7 1 3 Fuses 1 Turn off the power 2 Remove the power cord from the electrical inlet 3 Insert flatblade screwdriver into notches in the fuseholder cover Then turn the screwdriver countclockwise 4 Replace the fuses and reset the fuseholder cover in its original positions Fuse rating T3 15A 2...

Page 49: ...owing information Name of the instrument PRK 8000 Serial Number 7 digit characters indicated on the name plate Phenomenon In detail 2 Disposal of the instrument CAUTION This instrument incorporates a lithium battery which may pollute the environment if the instrument is abandoned Please ask a professional waste disposal company to handle disposal or contact POTEC representative or distributor befo...

Page 50: ...nt Class Ⅰ Applied part of equipment TYPE B Applied Part Chinrest Headrest Protection against electric shock Class Ⅰ Protection against harmful ingress of water Ordinary IPX0 Method of sterilization Not applicable Stability of use in an Oxygen Rich Environment Not suitable Mode of operation Continuous operation ...

Page 51: ...table from 0 05 0 12 0 25 D Axis 1 180 Increments 1 Pupil Distance PD 10 88 mm Corneal Diameter 2 0 14 0 mm Increments 0 1 mm Working range of auto tracking Up and down 16mm Working range of auto shooting Up and down 0 13mm or less Memory of Data 10 measured value for each right and left eye Internal Printer Thermal line printer with Auto Cutter function Monitor 7 inch TFT LCD monitor 800x480 pixe...

Page 52: ...9 Components PRK 8000 Main Unit 1 Operation Manual 1 Power Supply Cable 1 Test Model Eye 1 Chin Rest Paper about 100 sheets Printing Paper 2 rolls Dust Cover 1 Optional Accessories Chin Rest Paper 500 sheets Printing Paper 10 rolls ...

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