COMPUTERIZED TONOMETER
CT-80
INTRODUCTION
Thank you for purchasing the TOPCON Computer-ized Tonometer CT-80.
(To get the best use from the instrument, please carefullyread these instructions and keep this Instruction Manual in aconvenient location for future reference.)
This instrument features the following:
• An exact, non-contact intraocular pressure measurement thatcan be done by air ejection.
• An alignment bar that enables easy operation.
This text outlines the Computerized Tonometer CT-80 and de-scribes basic operations, troubleshooting, checking, maintenanceand cleaning.
To encourage the safe, efficient use of this instrument and preventdanger to the operator and others, we suggest you carefully readthe “Displays for Safe Use” and the “Safety Cautions”.
Again, please keep this Instruction Manual in a convenient locationfor future reference.
Precautions
• This machine is a precision instrument; install it in a place set to the fol-lowing conditions: temperature (10∼60°C), humidity (30∼85%) and atmos-pheric pressure (70∼106KPa). Avoid direct exposure to sunlight.
• To ensure smooth operation, install the instrument on a level place free of
vibrations. Also, do not place any objects on the instrument.
• Before using the instrument, connect all cables correctly.• Use the specified source voltage.
• When not in use, turn the power off and put the measuring window cap and
dust cover on.
• To ensure a correct reading, do not soil the measuring window with finger
prints, dust, etc. Also, do not touch the measuring nozzle except whencleaning.
1
DISPLAY FOR SAFE USE
In order to encourage the safe use of the product and prevent any danger to the operator andothers or damage to properties, important warnings are placed on the product and inserted in theinstruction manual.
We suggest that everyone understand the meaning of the following displays and icons beforereading the “Safety Cautions” and text.
DISPLAYMEANING
Ignoring or disregarding this display may lead todeath or serious injury.
Ignoring or disregarding this display may lead topersonal injury or physical damage.
WARNINGCAUTION
• Injury refers to cuts, bruises, sprains, fractures, burn, electric shock, etc.
• Physical damage refers to extensive damage to buildings or equipment and furniture.
ICONSMEANING
This icon indicates Hazard Alerting (Warning).Prohibition.
Specific content is expressed with words or an icon either insert-ed in the icon itself or located next to the icon.
This indicates Prohibition.
Specific content is expressed with words or an icon either insert-ed in the icon itself or located next to the icon.
This indicates Mandatory Action.
Specific content is expressed with words or an icon either insert-ed in the icon itself or located next to the icon.
2
SAFETY CAUTIONS
WARNINGIcons
Prevention item
To avoid electrical shock, do not open the instrument.Refer all servicing to qualified personnel.
To avoid electric shocks, do not remove the covers from the bottomand top surfaces, TV monitor, measuring unit, etc.
To prevent shock hazard, do not allow water or other foreign matterto enter into the instrument.
To avoid fire and electric shocks in case of tumbling, do not place acup or vessel containing water/fluid on the instrument.
To avoid electric shocks, do not insert objects or metals through thevent holes or gaps or contain them inside the machine body.To avoid electrical shock and fire, unplug the power cable beforeremoving the fuse cover. Additionally, be sure to replace the fusecover before plugging in the power cable.
Page
4545———5555—
Use only the attached fuses. Using other fuses may cause a fire.Should any anomaly, such as smoke, occur, immediately switchOFF the power source and unplug the power cable.
Continued use ignoring the condition may cause fire. Contact yourdealer for repair.
3
SAFETY CAUTIONS
CAUTIONIconPrevention itemTo avoid potential injury, hold the instrument in the proper position.To avoid electrical shock, do not handle the power plug with wetfingers.Never insert your fingers under the measuring head.∗ Inform the patient of this, too.Careless insertion of fingers may cause injury by pinching.Never insert your fingers under the measuring head.∗ Inform the patient of this, too.Careless insertion of fingers may cause injury by pinching.Do not use or apply any spray-typed cleaner near the instrument.If a drop of cleaner remains inside the measuring nozzle, the pa-tient’s eye may be injured during measurement.Before carrying the instrument, be sure to affix it firmly by turningthe fixing screw at the base.If the instrument is moved with the screw loosened, it may result indamage to the instrument.When moving the instrument, be sure to hold it at the bottom sur-face with two people. Carrying by one person may cause back inju-ry or injury by falling parts. Also, holding areas other than the bot-tom surface may cause pinching fingers between parts and injuryby falling parts as well as damage to the instrument.Before measuring, set the safety stopper. If the safety stopper isnot set, it may cause injury to the eye that comes in contact with themeasuring window glass. Set the safety stopper separately for theright and left eyes.When setting the safety stopper, do it from the instrument side(safety stopper knob side).Setting from another position does not easily allow you to check thepositions of the measuring window glass and the patient’s eye andmay cause injury to the eye that comes in contact with the measur-ing window glass.To clean the measuring window glass and the window glass insidethe measuring nozzle, use ethanol. Using other chemicals maycause damage to the patient's eye during measurement.Page13143034561313313152534
USAGE AND MAINTENANCE
PURPOSEThis tonometer “CT-80” is a precision electrical device for medical use that must beused under the instruction of a doctor.
USER MAINTENANCETo maintain the safety and performance of the equipment, never attempt to do mainte-nance on your own. Ask our serviceman for repair except for the items specified herewhich can be maintained by the user. For details, follow the instructions.
Fuse replacementThe primary fuses for the main body may be replaced by a non-trained service techni-cian. For details, refer to “Replacing the Fuse” on page 55.Cleaning of measuring windowCleaning of the measuring window glass is possible. For details, refer to the instruc-tions in “Cleaning the Measuring Window Glass” on page 52.Cleaning of window inside the nozzleCleaning of the window inside the nozzle is possible by following the instruction in“Cleaning the Window Glass inside the Nozzle” on page 53.
ESCAPE CLAUSE
• TOPCON shall not take any responsibility for damage due to fire, earthquakes, actionsby a third party or other accidents, or the negligence and misuse of the user and use un-der unusual conditions.
• TOPCON shall not take any responsibility for damage derived from the inability to usethis equipment, such as a loss of business profit and suspension of business.
• TOPCON shall not take any responsibility for damage caused by operations other thanthose described in this Instruction Manual.
• Diagnoses shall be made on the responsibility of pertaining doctors and TOPCON shallnot take any responsibility for the results of such diagnoses.
5
WARNING INDICATIONS AND POSITIONS
To ensure the safe usage of this equipment, precaution indications are provided.
Abide by the following warning instructions. If any of the following labels are missing,please contact us at the address printed on the back cover of this manual.
WARNING•To avoid electrical shock, do not openthe instrument. Refer all servicing toqualified personnel.CAUTION•To avoid potential injury during op-eration, do not touch the patient’seyes or nose with the instrument.WARNING•To avoid electrical shock, do not openthe instrument. Refer all servicing toqualified personnel.CAUTION•To avoid potential injury, insure thatthe safety stopper knob is engagedprior to use.WARNING•Electrical shock may cause burns orpossible fire. Turn the main powerOFF and UNPLUG the power cordbefore replacing the fuses. Replaceonly with fuses of the correct rating.6
CONTENT
Introduction1Display for Safe Use2Safety Cautions3Usage and Maintenance5Escape Clause
5Warning Indications and Positions
6NAMES OF COMPONENTS
Main Body Components8Control Panel Components9Monitor Screen Components10Contents of Printer Output11Standard Accessories
12PREPARATIONS
How to Install the Instrument13How to Connect the Power Cable14How to Connect External I/O Terminals14Initial Settings
15How to Set Printer Paper
23How to Reset from Power Save Status
28BASIC OPERATIONS
Preparations Before Measurement29Measurement Under Auto Mode33Measurement Under Manual Mode38How to Delete Measurement Values
41
INDIVIDUAL OPERATIONS
How to Print Out Measurement Values42How to Correct Measurement Values43Input/Output via RS-232C
44
BEFORE REQUESTING SERV-ICE
Checking Operations
45REFERENCE
Optional Accessories46Specifications & Performance
46RS-232C Communication Specifications
47MAINTENANCE AND CHECKING
Accuracy Maintenance52Special Notes on Cleaning
56
7
COMPONENTS
MAIN BODY COMPONENTSMeasuring head
TV Monitor Measuring switch Control lever
Clamping knobSafety stopper knob
Control panel
External I/O terminal
Power lamp Fixing knob (used to stop movements during removal) Forehead rest Measuring window Measuring nozzle Height mark Chinrest pad pin Chinrest Chinrest handle
Power switchPower cableAdjusting knob
Measuring window cap
8
COMPONENTS
CONTROL PANEL COMPONENTSClear switchPrint switch
Air check switch
Auto/Manual switch
Select switch
Down switch
Menu switchRange switchUp switch
Print switch...................Prints out the screen readings. When there is no reading, holding
the switch down feeds the paper.
Range switch................Switches the range between 0-30 and 0-60.
Clear switch..................Deletes all the measurement values from the screen.Menu switch..................Displays the Menu screen.
Auto/Manual switch......Switches the mode between auto and manual. Also, when se-lecting menu software, it moves the cursor right ().
Air check switch...........Performs an air check. Also, when selecting menu software, it
moves the cursor left ().
Down switch.................When selecting menu software, it moves the cursor down ().Up switch.......................Range switch.When selecting menu software, it moves the
cursor up ().
9
COMPONENTS
MONITOR SCREEN COMPONENTSMeasurement Screen (Auto mode, alignment)Target eye
Measurement modeMeasuring rangeAlignment dot
Outer alignment mark Alignment bar Inner alignment mark
Measurement Screen (Manual mode, alignment OK) Outer alignment mark Inner alignment mark (alignment OK)
Menu ScreenCursor
10
COMPONENTS
CONTENTS OF PRINTER OUTPUTBar code
Equipment No.
ID No.
Work ID No.
Time/Date display
Measured eye pressure
valuesAverage eye pressurevalues
Message column
11
COMPONENTS
STANDARD ACCESSORIESThe following are the standard accessories. The figures in parentheses are thequantities. Please check to see that all accessories are contained.
Power cable (1)
Rail cover (2)
Printing paper (2)Chinrest pin (2)
Chinrest pad (1)Silicone cloth (1)
Fuse (2)
* Different by destinations
Dust cover (1)
Cleaning kit (1)
Instruction Manual, Unpacking and Assembly(1 each)
Window glass cleaning procedure (1)
12
COMPONENTS
PREPARATIONS
HOW TO INSTALL THE INSTRUMENTCAUTION
Before carrying the instrument, be sure to affix it firmly byturning the fixing screw at the base.
If the instrument is moved with the screw loosened, it mayresult in damage to the instrument.
When moving the instrument, be sure to hold it at the bottom surfacewith two people. Carrying by one person may cause back injury orinjury by falling parts. Also, holding areas other than the bottom sur-face may cause pinching fingers between parts and injury by fallingparts as well as damage to the instrument.
CAUTION
CAUTION
To avoid potential injury, hold the instrument in the properposition.
12
Fasten the clamping knob.
Hold the instrument body firmly at the specified positions and place it on the auto-matic instrument table.
For the automatic instrument table, see “OPTIONAL ACCESSORIES” on page 46.
Fixing knob
Specified holding positions
Holding the instrument
34
After installing the instrument, loosen the fixing knob.Now the body components can be moved.
If the machine body is slightly off level, properly turn the adjusters at the four cornersfor fine adjustment.
Do not unscrew the adjusters more than 1cm.
13
PREPARATIONS
HOW TO CONNECT THE POWER CABLECAUTION
To avoid electrical shock, do not handle the power plugwith wet fingers.
12
Make sure the POWER SWITCH is OFF.Attach the power cable to the machine body.
3
Plug the power cable into the 3-pin AC receptacle with grounding.
HOW TO CONNECT EXTERNAL I/O TERMINALSRS-232C OUT
This machine can be connected to another device, including a personal computer viathe RS-232C OUT terminal.
12
Connect the cable to the RS-232C OUT terminal of this machine.Connect the other cable end to another device.
RS-232C INOutput terminalInput terminal
This machine can be connected to another device, including a bar code reader via theRS-232C IN terminal.
12
Connect the cable to the RS-232C IN terminal of this machine.Connect the other cable end to the external device.
14
PREPARATIONS
INITIAL SETTINGSDuring the initial setting, date, time, operating time of the power save function, RS-232C, mode of average value, buzzer and message can be set.
Preparations12
Make sure the power cable is connected.
For connection, see “HOW TO CONNECT THE POWER CABLE” on page 14.Check the no-patient condition of the instrument and turn the POWER SWITCH ON.• When the machine is moved from a cold room to a warm room or
MEMO
when the room temperature suddenly rises, it may cause dewing in-side the machine and disable measurement. In this case, leave themachine alone for about 30min until it reaches room temperature.
Displaying The Menu Screen121
Make sure that the Measurement screen is displayed.Press on the control panel.The Menu screen is displayed.
Returning To The Measurement ScreenPress
,
on the control panel, move the cursor to “EXIT” and press
MEASUREMENT SWITCH .Measurement switchOr, press on the control panel. The Measurement screen returns.
15
PREPARATIONS
Time/Date SettingExample of operation: Illustrations show time setting.
12
Press Press
,
on the control panel to get the Menu screen.
on the control panel, move the cursor to “DATE/TIME SET” and
press MEASUREMENT SWITCH .
The Date/Time setting screen is displayed.
3
Make sure that the display “BATTERY → O.K.” appears.
If the display is “BATTERY → N.G.”, the built-in clock battery is used up. Contact yourdealer. Additionally, when the battery becomes exhausted, time and date items arenot printed and “DATE” is displayed instead.
4
Press
,
on the control panel, move the cursor to “HOUR” and press
MEASUREMENT SWITCH .16
PREPARATIONS
5
Press , of the control panel, renew figures and press MEASUREMENT SWITCH .The renewed figures are inputted.6
Press of the control panel, move the cursor to “EXIT” and press MEASUREMENT SWITCH . , Date and other items can also be renewed at the same time.
Setting The Power Save TimeA time for the power save function to achvale can be selected from 10, 20, 30 or 60min.For shipment, 10min. is set.
12
Return to the Menu screen.Press
,
on the control panel, move the cursor to “POWER SAVE TIME” and
press MEASUREMENT SWITCH . The Power Save Time Setting screen is displayed.3
Press
,
on the control panel and change the power save time.
17
PREPARATIONS
5 ↔ 10 ↔ 20 ↔ 30 ↔ 604
Press MEASUREMENT SWITCH . The Menu screen is displayed.RS-232C INPUT/OUTPUT SettingsFor shipment, settings are EQUIPMENT (Equipment No.) No.1, FORMAT (communi-cation mode) OFF, and SPEED (communication speed) 2400
Each time Example: Setting the equipment No. , is pressed, the display changes as follows:
1
2
Return to the Menu screen.Press
,
of the control panel, move the cursor to “RS-232C MODE” and press
MEASUREMENT SWITCH .The RS-232C Mode is displayed.
18
PREPARATIONS
34
Press Press
, ,
on the control panel, move the cursor to “EQUIPMENT” and press on the control panel, change the equipment No. and press
MEASUREMENT SWITCH . MEASUREMENT SWITCH .The equipment No.(EQUIPMENT) can be selected from 0000 to 0099. Each time is pressed, the display changes as follows:
OFF ↔ MODE1 ↔ MODE2 ↔ MODE3 ↔ MODE4 ↔When setting the speed, the display changes from 2400-9600 each time pressed.2400 ↔ 9600 ,
,
is
“EQUIPMENT” and “WORK ID NO.” can be reset by pressing .
5
Press
,
on the control panel, move the cursor to “EXIT” and press
MEASUREMENT SWITCH . The Menu screen returns.19
PREPARATIONS
Setting The Average Value ModeThe average value display of the measurement values can be selected from integer anddecimal displays. For shipment, the integer display is set.
12
Return to the Menu screen.
on the control panel, move the cursor to “AVERAGE MODE” and
press MEASUREMENT SWITCH .
,
Press
The Average Value Mode screen is displayed.
3
Press
,
on the control panel to change the mode.
20
PREPARATIONS
15
:The average value is displayed as an integer (by rounding fractions to thenearest whole number).
15.0:The average value is displayed up to one decimal (by rounding fractions to the
nearest tenth).
412
Press MEASUREMENT SWITCH . The Menu screen returns.Setting The BuzzerThe buzzer can be turned ON/OFF by pressing the switches on the control panel.
Return to the Menu screen.Press
,
on the control panel, move the cursor to “BUZZER SET” and press
MEASUREMENT SWITCH .The Buzzer Setting screen is displayed.3
Press
,
on the control panel to select ON/OFF.
21
PREPARATIONS
4
Press MEASUREMENT SWITCH .The Menu screen returns.
Message InputYou can add a brief message to the printout.
12
Return to the Menu screen.Press
, on the control panel, move the cursor to “MESSAGE INPUT” and
press MEASUREMENT SWITCH .The Message Input screen is displayed.
Input column
Selection column
3
Press , , , on the control panel to move the blinking icon to a characterin the selection column for input.
22
PREPARATIONS
■: A space for 1 character (Use this to delete a character, too.)STEP: The blinking icon of the input column moves right.BACK: The blinking icon of the input column moves left.
4
Press MEASUREMENT SWITCH .The character selected by the blinking icon is inputted.5
Press
, , ,
on the control panel, move the blinking icon in the selection
column to “EXIT” and press MEASUREMENT SWITCH .The Menu screen is displayed.
HOW TO SET PRINTER PAPERAuto Setting1
Press the printer cover with your thumb, slide it aside and remove.
When the right/left end is reached, the blinking icon goes down to the next line.A message can contain up to 3 lines, 20 characters per line.
Printer cover
23
PREPARATIONS
2
Slide the paper roll onto the paper shaft, paying attention to the direction of unwind-ing, and pull out the top of the paper 7-8cm.
Unwinding direction
3
Insert thepaper straight into the printer
along the paper guide.
45
When the top of the paper stops inside the printer, press to further insert thepaper into the printer.
Paper feeding starts when the top of the paper reaches a certain depth inside theprinter.
When the top of the paper comes out 1cm or so from the outlet, release At this moment, hold the top of the paper firmly so that it is not rolled back.
.
6
Turn the paper retainer lever to the illustrated position, and pull out the paper 2-3cmso that it comes out straight from the outlet.
24
PREPARATIONS
Paper retainer lever
7
Return the paper retainer lever back to its original position.
8
Reset the printer cover, holding the top of the paper outside.
The paper is not fed unless the paper retainer lever is lowered.
Use the following 58mm wide printer paper:TF50KS-E2C
Using another paper may cause a printing noise or thin prints.
25
PREPARATIONS
Manual Setting123
Press the printer cover with your thumb, slide it aside and remove.
Slide the paper roll onto the paper shaft, paying attention to the direction of unwind-ing, and pull out the top of the paper 7∼8cm.Turn the paper retainer lever in the arrow direction.
4
Cut the paper on the control lever side at about 2cm.Paper retainer lever
Control lever
Cut here
26
PREPARATIONS
5
Insert the paper straight into the printer along the paper guide.
6
Further insert the paper and draw out the top of the paper from the outlet.
7
Adjust the paper so that it comes out straight from the outlet, and then lower the pa-per retainer lever.
The paper does not easily pass through the printer unless it is cut on the control leverside.
27
PREPARATIONS
8
Set the printer cover, holding the top of the paper outside.
If the paper is jammed, turn the paper retainer lever to the illustrated position, andtake out the jammed paper from the printer.
HOW TO RESET FROM POWER SAVE STATUS
This machine employs a power save function. If the machine is not used during a settime, the power save function stops supplying power to the monitor and CCD camera.Under the power save status, the POWER lamp of the control panel flashes.
1
Press MEASUREMENT SWITCH .The Monitor screen is displayed in a few seconds, when the measurements becomeavailable.
After resetting, the measurement mode is AUTO and the measuring range is 0-30.Also, values measured before power saving are deleted.
28
PREPARATIONS
BASIC OPERATIONS
PREPARATIONS BEFORE MEASUREMENTTurn ON the Power123
Air CheckMake sure the power cable is connected.
For connection, see “HOW TO CONNECT THE POWER CABLE” on page 14.Make sure the instrument is in the no-patient condition and turn ON the POWER SWITCH .The Title screen is displayed, and then the Measurement screen is displayed.
This machine is equipped with a function for checking the correct operations measure-ment system inside the instrument.
123
Remove the measuring window cap.
Press on the control panel.
Air is ejected from the measuring nozzle and checking is done automatically.Make sure “OK” is displayed on the monitor screen. The Menu screen should bedisplayed a few seconds afterwards.
Normal operation screen
29
BASIC OPERATIONS
If “NG (+)” or “NG (-)” is displayed, an anomaly has occurred. Turn OFF the
POWER SWITCH , and check whether or not there is any obstacle in front of the meas-uring nozzle. If there is an object, remove it, and then press the POWER SWITCH .Press and perform the checking procedure again.
If no object is there, a problem has occurred. Turn OFF the POWER SWITCH , unplugthe power cable, and call your dealer.
Setting the PatientCAUTION
Never insert your fingers under the measuring head.∗ Inform the patient of this, too.
Careless insertion of fingers may cause injury by pinching.
1234
Abnormal operation screen
Return to the Measurement screen.
Ask the patient to sit in front of the instrument.
Adjust the automatic instrument table or the chair for height so that the patient canput his or her chin on the chinrest in a comfortable position.
The patient places his or her chin on the chinrest and stops his or her forehead atthe forehead rest.
30
BASIC OPERATIONS
5
Adjust the height of the chinrest, by operating the chinrest handle, so that the tail ofthe patient's eye becomes level with the height mark of the chinrest post.
Height markChinrest handleSetting the Safety StopperBefore measuring, set the safety stopper. If the safetystopper is not set, it may cause injury to the eye that co-mes in contact with the measuring window glass. Set thesafety stopper separately for the right and left eyes.When setting the safety stopper, do it from the instrumentside (safety stopper knob side).
Setting from another position does not easily allow you tocheck the positions of the measuring window glass and thepatient's eye and may cause injury to the eye that comesin contact with the measuring window glass.
CAUTION
CAUTION
123
Hold the control lever and pull the machine body towards the operator.
Turn the control lever and adjust the height of the measuring nozzle to the center ofthe patient's cornea.
While holding the safety stopper knob in a pressed position, hold the control leverand slowly push out the machine body.
31
BASIC OPERATIONS
4
When the measuring nozzle reaches a position 8∼10mm from the cornea, releasethe safety stopper knob.
8∼10mm
5
Holding thecontrol lever, try to slightlypush out the machine body to make sure the stopper is working.
If the machine body does not move forward any further, the setting is completed.
32
BASIC OPERATIONS
MEASUREMENT UNDER AUTO MODE• Adjust the height of the automatic instrument table so that
MEMO
correct measurement values can be obtained by allowing thepatient to undergo measurements in a comfortable position.
• Make the patient relaxed so as to secure correct measure-
ment values; make sure the patient does not hold his breathor remain tense.
Setting the Measurement ModeThe initial status of the measurement mode is AUTO, upon turning the power ON.
12
Return to the Measurement screen.Press AUTO.
on the control panel and change the measurement mode display to
Setting the Measuring Range
In this machine, the measuring range can be switched between 0-30 and 0-60.
Normally, the 0-30 range is used, but if the patient's intraocular pressure is high, switchit to 0-60. The initial status of the measuring range is 0-30, upon turning the power ON.
12
Return to the Measurement screen.Press
on the control panel and make the measuring range display 0-30.
33
BASIC OPERATIONS
Alignment and MeasurementIt is recommended that you do intraocular pressure measure-ments several times. Since the intraocular pressure varies byheart beats and tears, often it is not possible to obtain exactmeasurement values by measuring only once or twice.
MEMO
The alignment operation can be performed with the control lever.
Moving the machine body by the control lever
• When the machine body needs to be moved slightly back and forth or right and left,
move the control lever in each direction.
Operating the control lever(back and forth, right and left)
Never insert your fingers under the measuring head.∗ Inform the patient of this, too.
Careless insertion of fingers may cause injury by pinching.
CAUTION
• To move the measuring head vertically, turn the control lever right for raising and left
for lowering.
Operating the control lever(up and down)
34
BASIC OPERATIONS
1
Hold the control lever and pull the machine body towards the operator.
2
Move thecontrol lever in directions asneeded and bring the patient’s eye to the center of the monitor screen.
34
Tell the patient to gaze at the yellow-green light.
Move the machine body toward the patient and focus the target eye. A vaguealignment dot becomes seen reflected in the cornea.
Inner alignment mark
Alignment dot
35
BASIC OPERATIONS
56
Move the machine body in directions as needed in order to get the alignment dotwithin the inner alignment mark on the monitor screen.
Holding the alignment dot within the inner alignment mark, slightly push the machinebody toward the patient.
When the machine body approaches the target eye, the alignment bar and “FOR-WARD” display appear on the monitor screen.
Alignment bar
At this moment, be careful not to catch eyelashes and eyelids within the outer align-ment mark so as to ensure correct measurements.
If the instrument is too close to the target eye, with regard to the alignment referenceposition, “TOO CLOSE” is displayed on the monitor screen, and if it is too far, “FOR-WARD” is displayed.
The alignment bar is displayed as a broken line when the instrument is close to thetarget eye and as a solid line when it is far. Also, the alignment bar is shortened ac-cordingly as it approaches the alignment reference position.
These factors are displayed only when the alignment dot is near the inner alignmentmark.
36
BASIC OPERATIONS
Reference position
7
After the alignment bar is displayed, push the machine body out a little bit more.
When the alignment is adjusted, measurement is done automatically and the meas-urement value is displayed on the monitor screen.
Too far
When the outer alignment mark is not displayed, measurement is not possible.
After measurement
Measurement can be done when the outer alignment mark is displayed after a fewseconds
MEMO
• If measurement is not possible under the Auto mode, use
the Manual mode. Sometimes Auto mode is not available ifthe condition of the cornea is unfavorable.
37
BASIC OPERATIONS
Display of Measurement ValuesMeasurement values are displayed on the monitor screen for up to three measure-ments. From the fourth measurement on, values of earlier measurements are deletedin order.Figure only: Correct measurementFigure in ( ): Low in reliabilityERR: Incorrect measurementOVER: Measurement value exceeding the measuring range
If the result is a figure in parentheses or ERR, do the measurement again, makingsure the patient does not blink and eyelashes do not get in the outer alignment mark.If OVER is displayed, switch the measuring range to 0-60 and do the measurementagain.
MEASUREMENT UNDER MANUAL MODE• Adjust the height of the automatic instrument table so that correct
MEMO
measurement values can be obtained by allowing the patient to un-dergo measurements in a comfortable position.
ues; make sure the patient does not hold his breath or remain tense.
• Make the patient relaxed so as to secure correct measurement val-
Setting the Measurement ModeThe initial status of the measurement mode is AUTO, upon turning the power ON.
12
Return to the Measurement screen.Press “MANU”.
on the control panel and change the measurement mode display to
Setting the Measuring RangeSee page 33.
Alignment and MeasurementThe alignment operation is controlled through the control lever.
For details about the adjustment of the machine body using the control lever, see“Memo” on page 34.
38
BASIC OPERATIONS
1
Hold the control lever and pull the machine body towards the operator.
2
Move thecontrol lever in directions asneeded in order to bring the patient’s eye to the center of the monitor screen.
345
Tell the patient to gaze at the yellow-green light.
Move the machine body toward the patient and focus the target eye.A vague alignment dot becomes seen reflected in the cornea.
Move the machine body in directions as needed in order to get the alignment dotwithin the inner alignment mark on the monitor screen.
Inner alignment mark
Alignment dot
39
BASIC OPERATIONS
6
Holding the alignment dot within the inner alignment mark, slightly push the machinebody toward the patient.
When the machine body approaches the target eye, the alignment bar and the“FORWARD” display appear on the monitor screen.
Alignment bar
At this moment, be careful not to catch eyelashes and eyelids within the outer align-ment mark so as to ensure correct measurements.
See descriptions about the alignment bar, “FORWARD” and “TOO CLOSE” on page36.
7
Move the machine body back and forth, with the alignment bar as a reference, whileholding the alignment dot within the inner alignment mark.
When the alignment is adjusted, the shape of the inner alignment mark changes to a .Alignment is not adjustedAlignment is adjusted
8
After the alignment is adjusted, press MEASUREMENT SWITCH .Air is ejected for measurement, and the measurement value is displayed.In Manual mode, measurement is done by pressing MEASUREMENT SWITCH even if thealignment is not adjusted correctly. To ensure high-precision measurements, makesure the alignment is adjusted correctly.
• If the shape of the inner alignment mark does not change to a
MEMO
even after correctly adjusting the alignment, check again to see ifthe alignment is adjusted correctly. Sometimes the shape of theinner alignment mark does not change to a if the condition ofthe cornea is unfavorable.
40
BASIC OPERATIONS
DELETING MEASUREMENT VALUES1
Press on the control panel.
All the measurement values of the right and left eyes are deleted and the instrumentsettings return to their status upon turning the power ON.
41
BASIC OPERATIONS
INDIVIDUAL OPERATIONS
HOW TO PRINT OUT MEASUREMENT VALUES• To avoid printer problems due to paper jams, do not feed paper
if it is torn or creased.
• To avoid discoloring, particularly of the recording part, do not
MEMO
store the printer paper in holders made of materials containingplasticizers (ex., vinyl chloride).
cording part, do not use bonds containing solvents. Use waterbonds.
• To avoid coloring in the white part and discoloring in the re-• The printer paper is heat sensitive and cannot keep records for
long periods of time. Copy the records to other paper for stor-age.
This machine can print out measurement values with the built-in printer.
12
Return to the Measurement screen.
Press on the control panel.
Measurement values of the monitor screen are printed out.
Upon printing, the measured values are deleted automatically from the screen.
The ERR display is not printed. Also, printing can not be done when no measurementvalues exist. When a red line appears in the printer paper, replace it. For detailsabout the replacement of paper, see “HOW TO SET PRINTER PAPER” on page 23.Again, use the 58-mm wide TF50KS-E2C (Japan) paper for the printer.
When “PRINTER HEAD IS UP” is displayed, lower the paper retainer lever and press
again.
42
INDIVIDUAL OPERATIONS
3
Hold the paper and pull it diagonally to cut.
MEMO
• To avoid paper jams, cut the paper carefully and evenly.
HOW TO CORRECT MEASUREMENT VALUESMEMO
Never set the select switch for more than eight points to avoidmalfunctions.
Though the machine is adjusted for displaying optimal measurement values, the valuescan be corrected within a -4 ∼ +3mmHg range.
123
Make sure the power is OFF.Open the control panel lid.Using a screwdriver, turn the “
” of the select switch.
Select switchSettings:0: Base setting
1: +1mmHg2: +2mmHg3: +3mmHgF: -1mmHgE: -2mmHgD: -3mmHgC: -4mmHgFor shipment, the switch is set here.Base setting + 1mmHgBase setting + 2mmHgBase setting + 3mmHgBase setting - 1mmHgBase setting - 2mmHgBase setting - 3mmHgBase setting - 4mmHg
4
Turn the POWER SWITCH ON.The measurement procedure is exactly the same as with the correction.43
INDIVIDUAL OPERATIONS
INPUT/OUTPUT VIA RS-232COutput via RS-232CThis machine can output data via the RS-232C interface to a personal computer orsimilar device.
1234
Make sure the RS-232C OUT is connected.
For connection, see “HOW TO CONNECT EXTERNAL I/O TERMINALS” on page14.
Check the settings for data communication.
For data communication, see “RS-232C Input/Output Settings” on page 18.Obtain the measurements.
Press on the control panel.
“RS-232C DATA OUT” is displayed on the screen and the data output is completed.
Input via RS-232CThis machine can input data from a bar code reader and the like via the RS-232C in-terface.
1234
Make sure the RS-232C OUT is connected.
For connection, see “HOW TO CONNECT EXTERNAL I/O TERMINALS” on page14.
Check the settings for data communication.
For data communication, see “RS-232C Input/Output Settings” on page 18.Return to the Measurement screen.Input the ID No. from the external device.The inputted “ID No.” is displayed.
44
INDIVIDUAL OPERATIONS
BEFORE REQUESTING SERVICE
CHECKING OPERATIONSAir CheckIf a problem is suspected, do an air check.
If the result is “NG (+)” or “NG (-),” call your dealer.
For instructions on how to perform an air check, see “Air Check” on page 29.
Checking OperationsWARNING
To avoid electric shocks, do not open the instrument.Refer all servicing to qualified personnel.
To avoid electric shocks, do not remove the covers fromthe bottom and top surfaces, TV monitor, measuring unit,etc.
WARNING
If a problem is suspected, perform checks following the Check List shown below. If thecondition is not improved by the suggested remedy or if it is not described in the list, callyour dealer.
CHECK LIST
Problem:
Monitor screen does not work.
Check point:
Power cable is not plugged intoreceptacle.
Power cable is not plugged intomachine body.
Power save function is on.Fuse is burned.
Monitor screen needs to bereadjusted.
Measuring window needs to becleaned.
Measuring window needs to becleaned.
Window in nozzle needs to becleaned.
Condition of patient's eye isunfavorable.
Manual mode is on.
Measuring window is not clearenough.
Printer paper winding is re-versed.
Printer paper is used up.Paper is jammed.
Clamping knob/fixing knob isfastened.
Remedy:
Secure plug in power cable.Plug power cable into machinebody.
Return to normal status.Replace fuse.
Adjust monitor screen.Clean measuring window.Clean measuring window.Clean window in nozzle.Measure under Manual mode.Set Auto mode.
Clean window in nozzle.Set printer paper correctly.Supply printer paper.Remove jammed paper.
Loosen up clamping knob/fixingknob.
Page:P.14P.14P.28P.55P.54P.52P.52P.53P.38P.33P.53P.23,26P.23, 56P.55P.8
Monitor screen display is notclear.
Auto mode measurement is notpossible.
Measurement values have ( ) orERRs are displayed.
Paper comes out unprinted.Paper does not come out.Machine body does not move.
45
BEFORE REQUESTING SERVICE
REFERENCE
OPTIONAL ACCESSORIESAutomatic instrument table AIT-20 and Table BoardDriven by electric power, it can change the height of the instrument as desired so as toenable the patient to undergo measurement in a comfortable position.Size...............................586(W) × 520(D)mmTable height..................675-865mm (differs by destination)Table size.....................450(W)x500(D)mmSPECIFICATIONS & PERFORMANCEMeasuring rangeWorking distanceMeasurement displayMeasurement recordingAlignment displayMonitor screenPower saving
External I/O terminalPower supply
Power consumptionClassification
Operating temperature
Body movement, back & forthBody movement, right & leftBody movement, up & downChinrest adjustmentDimensionsWeight
0∼60mmHg11mm
Monitor screen (with average value)Built-in printer (with average value)Monitor screen5in.
Power save systemRS232C
AC 100, 120, 220, 230 and 240V; 50/60Hz80VA
IEC 601-1 CLASS I TYPE B10∼40°C44mm88mm28mm68mm
272(W)×505(D)×430∼458(H)mm18kg
∗For product improvements, specifications and appearancemay be changed without prior notice.
46
REFERENCE
RS-232C COMMUNICATION SPECIFICATIONSConnector TypesInput terminal: DIN 8-pin (TSC0838-01-2051, Hoshiden)Output terminal: DSUB 9-pin (DE-9S-N, JAE)I/O Terminal Pin Arrangement⋅ Output terminal: DSUB 9-pin (Pin Nos.1 and 9 are not used.)
Pin No.2345678
CodeRD (RXD)SD (TXD)ER (DTR)SG (GND)DR (DSR)RS (RTS)CS (CTS)
DescriptionData receivingData transmissionData terminal readySignal groundData set readyRequest transmissionTransmission ready
I/OIOOI/OIOI
Output terminalInput terminal
⋅ Input terminal DIN 8-pin (Pin No.1 is not used.)Pin No.2345678
CodeSD (TXD)RD (RXD)RS (RTS)CS (CTS)DR (DSR)SG (GND)ER (DTR)
Code DescriptionData transmissionData receivingRequest transmissionTransmission readyData set readySignal groundData terminal ready
I/OIOOIII/OI
Input terminal
47
REFERENCE
Transmission FormulaMode 1, 2, 3
Synchronization
Communication speedStart bitStop bitData lengthParity
Operating codeMode 4, STD1 modeSynchronization
Communication speedStart bitStop bitData lengthParity
Operating code
Contents of Data TransmissionCommunication format Mode 1, 3:
Model name, Type No.10 byteTime/Date19 byteR (right eye) average data9 byteL (left eye) average data9 byte
∗When the content is data with parentheses only, the average value is sent; when it isOVER data only, OVER is sent; and when there is no data or ERRs only, a space issent.(Example)
Non-synchronous2400/9600 bps1 bit1 bit8 bitNone
ASCI codeNon-synchronous2400/9600 bps1 bit2 bit8 bitNone
ASCI code
48
REFERENCE
Communication format Mode 2:
Model name, Type No.10 byteTime/Date19 byteMeasurement value (right or left eye) average data9 byte∗If ERRs only, transmission is not done.(Example)
Communication format Mode 4, STD 1:• Data TransmissionModel name, Type No.Machine No.ROM versionID No.
Work ID No.
Machine work ID No.Time/Date
R (right eye) average dataL (left eye) average data(Example)
15 byte2 byte10 byte13 byte13 byte4 byte20 byte9 byte9 byte
49
REFERENCE
• Data ReceivingPatient ID data(Example)
or
13 byte
or
Setting RS-232C Communication ConditionsIn the Menu screen, move the cursor using the
,
keys on the control panel, and
press MEASUREMENT SWITCH . Further, move the cursor to an item to be changed onthe screen shown below, and press MEASUREMENT SWITCH . [SET→∗∗∗∗] is displayed . After changing, the
setting is registered by pressing MEASUREMENT SWITCH . After setting, move the cursorat the bottom of the screen. Change the setting using
to EXIT and press MEASUREMENT SWITCH to return to the Menu screen. For furtherdetails, see “RS-232C Input/Output Settings” on page 18.
,
Items of setting (5 items)
⋅ Machine No. (EQUIPMENT)
⋅ Input ID mode (ID MODE)
⋅ Work ID No. (WORK ID NO.)
Set value: 0∼99. (For shipment, “1” is set.)
When more then one unit of inspection equipmentis installed in the same hospital, for example, datacan be controlled using these Machine Nos.Set value: 1 or 2 (For shipment, “1” is set.)1.For inputting patients' ID numbers.
2.For inputting the temporary ID numbers of newpatients.
Set value: 0∼9999 (For shipment, “0” is set.)
Desired serial numbers can be attached to measure-ment results. The number is automatically added (1at a time) each time the printing of data communica-tion is performed.
50
REFERENCE
⋅ Communication format (FORMAT)
Format: OFF, MODE 1, MODE 2, MODE 3, MODE 4,STD 1 (For shipment, “OFF” is set.)
is pressed, communication is doneMODE 1:When
after printing.
MODE 2:Data communication is done every measure-ment.MODE 3:When is pressed, communication is done
without printing.
MODE 4:When is pressed, communication is done
without printing.
is pressed, communication is doneSTD 1:When
after printing.
When Mode 1, 2 or 3 is set, data is transmitted automatically without confirmationfrom the receiver side. When STD 1 is set, communication is controlled by RTS-CTS.Under the RTS-CTS control, if no CS (CTS) signal is returned from the receiver side,transmission can be canceled by pressing . Also, if no DR (DSR) signal is re-turned, it is recognized as a communication failure and FAIL is displayed on themonitor screen.
⋅ Communication speed (SPEED)
Baud rate: 2400, 9600 (bps) (For shipment,
2400bps is set.)
The Topcon CT-80 complies with the CE marking.Before connecting a personal computer to the TOPCONproduct, make sure that such external equipment is incompliance with the CE marking.51
REFERENCE
MAINTENANCE AND CHECKING
ACCURACY MAINTENANCECleaning the Measuring Window Glass• To secure auto alignment and correct measurement values, clean the measuring
window glass after each day’s work.on the monitor screen.
• Clean the glass when “CLEAN THE MEASURING WINDOW GLASS” is displayed
To clean the measuring window glass and the windowglass inside the measuring nozzle, use ethanol. Usingother chemicals may cause damage to the patient's eyeduring measurement.
CAUTION
• Do not use tissues, as they may make the stain more notice-MEMO
able.
1234
and glass surfaces.
Prepare the ethanol.• Do not use tweezers or gauze, as these may scratch the lens
Using a blower, remove dust and dirt from the glass surface.Moisten the applicator with ethanol.
Wipe the glass surface lightly with the applicator, from the center outward.
5
Use a new applicator and wipe the glass surface in a similar manner; repeat this
Wiping the glass surface
several times.
To ensure thorough removal of grease from the window glass, be sure to replace theapplicator and use a new one for each of these repeated wiping operations.
6
Cleaning is completed when grease is thoroughly removed.If stains cannot be removed easily, call your dealer.
When the measuring window glass becomes stained “CLEAN THE MEASURINGWINDOW GLASS” is displayed on the monitor screen.
52
MAINTENANCE AND CHECKING
Cleaning the Window Glass inside the Nozzle• When the window glass inside the nozzle becomes stained, it makes the fixation tar-get unclear, causing errors in auto alignment and measurement values. If the fixa-tion target is unclear or measurement values with parentheses are frequent, cleanthe window glass inside the nozzle.screen.
• Clean the glass when “CLEAN THE CHAMBER GLASS” is displayed on the monitor
To clean the measuring window glass and the windowglass inside the measuring nozzle, use ethanol. Usingother chemicals may cause damage to the patient's eyeduring measurement.
CAUTION
• Do not apply unreasonable force to the measuring nozzle
MEMO
while cleaning.
• To avoid problems, do not leave the cotton fibers inside.• Be sure to use only the attached applicator.
123
Prepare the ethanol.
Moisten the applicator with ethanol.
Insert the applicator into the nozzle, lightly touch the glass surface, and turn the ap-plicator a few times.
Applicator (attached)
4
Use a new applicator and wipe the glass surface in a similar manner; repeat this afew times .
The used applicator contains grease and it only scatters grease if used again; the lighttransmittance is not improved at all. Be sure to replace the applicator and use a newone for each of these repeated cleaning operations.
5Cleaning is completed when the grease is thoroughly removed.
for a air check toIf stains cannot be removed easily, call your dealer. Press
confirm normal operation.When the window glass inside the nozzle becomes stained, it makes the fixation tar-get unclear and “CLEAN THE CHAMBER GLASS” is displayed on the monitor screen.
53
MAINTENANCE AND CHECKING
Daily Maintenance• This machine must be kept free of dust; apply the measuring window cap and dust
cover when not in use.
• When not in use, turn the POWER SWITCH OFF.Ordering Consumable Supplies• When placing an order for consumable supplies, tell your dealer the product name,
part code and quantity.NameChinrest padSilicone clothDust cover
Chinrest pad pin
Code40310 408231087 200742360 900242364 4021
NameApplicatorPrinter paperFuse 125V-3A-MFuse 250V-1.5A-M
Code41601 860644800 400141801 501242364 5313
Adjusting the Monitor Screen• Although the machine is adjusted for optimal screen conditions before shipment, a
screen readjustment may be required due to vibrations during transportation.them all the way to the right, as viewed from the operator.
• To adjust the contrast and brightness, move the BRIGHT/CONT. knobs after turning
54
MAINTENANCE AND CHECKING
Paper Jam in PrinterMEMO
• If paper is jammed inside the printer, printing is not complete.
Attempts to forcibly use the printer may lead to problems.
• Remove the printer cover, release the paper retainer lever and remove the jammed
paper.
Replacing the FuseWARNING
To avoid electrical shock and fire, unplug the power cablebefore removing the fuse cover. Additionally, be sure toreplace the fuse cover before plugging in the power cable.Use only the attached fuses. Using other fuses may causea fire.
WARNING
12
Make sure the power is OFF and the power cables are unplugged.Press the fuse holder with a screwdriver and turn it counterclockwise.The fuse holder can be taken out.
Removing the Fuse Holder
55
MAINTENANCE AND CHECKING
3
Replace the fuse with the attached fuse.
Replacing the Fuse
4
Press the fuse holder with a screwdriver and turn it clockwise.The fuse holder is now reset.
Setting the Fuse Holder
SPECIAL NOTES ON CLEANING
Cleaning the Outer CoverDo not use or apply any spray-typed cleaner near the in-strument. If a drop of cleaner remains inside the measur-ing nozzle, the patient’s eye may be injured during meas-urement.
CAUTION
MEMO
To avoid discoloring/deterioration of the plastic components, donot use volatile solvents (benzine, thinner, gasoline, etc.).
• When the outer cover, operation panel and the like become stained, clean them with
a dry cloth. If the stain is extreme, a neutral detergent for tableware may be used bydiluting it with tepid water. Soak the cloth in the solution, squeeze it out, and thenuse if to wipe off stains.
56
MAINTENANCE AND CHECKING
When calling please give us the following infor-mation about your unit:⋅Machine type: CT-80
⋅Manufacturing No. (Shown on the rating plate onthe right side of the base.)
⋅Period of Usage (Please give us the date of pur-chase).
⋅Description of Problem (as detailed as possible).
COMPUTERIZED TONOMETER (CT-80)INSTRUCTION MANUALVersion of 1999 (9906-100LW0)Date of issue: 1st, June, 1999Published by
75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan.
© 1999 TOPCON CORPORATION
ALL RIGHTS RESERVED
COMPUTERIZED TONOMETER
CT-80
TOPCON AMERICA CORPORATION
CORPORATE OFFICE:37 West Century Road, Paramus, New Jersey 07652, U.S.A. Phone: 201-261-9450 Fax: 201-387-2710 www.topcon.com
TOPCON CANADA INC.
110 Provencher Avenue, Boisbriand, QC J7G 1N1 CANADA Phone: 514-430-7771 Fax: 514-430-6457
TOPCON OMNI SYSTEMS, INC.
Valley Forge Business Center, 2430 Blvd. of the Generals, Norristown, PA 19403, U.S.A Phone: 610-630-9200 Fax: 610-630-6428
TOPCON EUROPE B.V.
(European Representative)
ESSE Baan 11, 2908 LJ Capelle a/d IJssel, THE NETHERLANDS. Phone: 010-4585077 Fax: 010-4585045 www.topconeurope.com
TOPCON DEUTSCHLAND G.m.b.H.
Halskestrasse 7 47877 Willich, GERMANY. Phone: 02154-9290 Fax: 02154-929111
TOPCON ESPAÑA S.A.
HEAD OFFICE:Frederic Mompou 5, 08960, Sant Just Desvern Barcelona, SPAIN Phone: 93-4734057 Fax: 93-4191532MADRID OFFICE:Avenida Ciudad de Barcelona 81, 1 Planta 28007, Madrid, SPAIN Phone: 91-5524160 Fax: 91-5524161
TOPCON S.A.R.L.
HEAD OFFICE:104/106, Rue Rivay, 92300, Levallois-Perret, FRANCE. Phone: 014106-9494 Fax: 014739-0251LYON OFFICE:138, Avenue du 8 Mai 1945, 69100 Villeurbanne, FRANCE Phone: 0478688237 Fax: 0478681902
TOPCON SCANDINAVIA A. B.
Industrivägen 4 P.O.Box 2140 43302 Sävedalen SWEDEN Phone: 031-261250 Fax: 031-268607
TOPCON (GREAT BRITAIN) LTD.
Topcon House,Kennet Side,Bone Lane,Newbury,Berkshire RG14 5PX United Kingdom Phone:01635-551120 Fax:01635-551170
TOPCON SINGAPORE PTE.LTD.
Alexandra Distripark Block 4, #05-15, Pasir Panjang Road, Singapore 118491 Phone: 2780222 Fax: 2733540 web.singnet.com.sg/˜topconts
TOPCON INSTRUMENTS (MALAYSIA) SDN. BHD.
Lot 226 Jalan Negara 2, Pusat Bandar Taman Melawati, Taman Melawati 53100 Kuala Lumpur, MALAYSIA. Phone: 03-4079801 Fax: 03-4079796
TOPCON INSTRUMENTS (THAILAND) CO., LTD.
77/162 Sinn Sathorn Tower, 37th Fl.,Krungdhonburi Rd.,Klongtonsai, Klongsarn, Bangkok 10600 Phone: 662-440-1152~7 Fax: 662-440-1158
TOPCON AUSTRALIA PTY.LTD.
408 Victoria Road, Gladesville, NSW 2111, AUSTRALIA Phone: 02-9817-4666 Fax: 02-9817-4654 www.topcon.com.au
TOPCON KOREA CORPORATION
Hyobong Bldg., 1-1306, Seocho-Dong, Seocho-Gu, Seoul, KOREA. Phone: 02-3482-9231 Fax: 02-3481-1928 www.topcon.co.kr
TOPCON OPTICAL (H.K.) LTD.
2/F Meeco Industrial Bldg., No.53-55 Au Pui Wan Street, Fo Tan Road, Shatin, N.T., Hong KongPhone: 2690-1328 Fax: 2690-2221 E-mail: sales@topcon.com.hk
TOPCON CORPORATION BEIJING OFFICE
Room No. 962 Poly Plaza Building, 14 Dongzhimen Nandajie Dongcheng District, Beijing, 100027, CHINA Phone: 10-6501-4191~2 Fax: 10-6501-4190
TOPCON CORPORATION BEIRUT OFFICE
P.O.BOX 70-1002 Antelias, BEIRUT-LEBANON Phone: 961-4-523525/523526 Fax: 961-4-521119
TOPCON CORPORATION DUBAI OFFICE
Office No.102 KHALAF RASHD AL NAYLI BLDG., Deira, Dubai, UAE Phone: 971-4-696511 Fax: 971-4-695272
TOPCON CORPORATION
75-1 Hasunuma-cho,Itabashi-ku,Tokyo,174-8580 Japan.Phone:3-3558-2520 Fax:3-3960-4214
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