3D OCT-1000 Mark II Instruction Manual ver Feb 2008

Instruction Manual

76 Pages

File Type: PDF

File Size: 2.04 MB

File Name: 3d_oct-1000_mark_ii_instruction_manual_feb_2008_.pdf

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Page 1

INSTRUCTION MANUAL

3D OPTICAL COHERENCE TOMOGRAPHY

3D OCT-1000 MARKII

INTRODUCTION Thank you for purchasing the TOPCON 3D OCT-1000 3D Optical Coherence Tomography.

This instrument is used to observe the retina, take tomographs and record them. This instrument has the following innovative features: • High-quality digital imaging • Easy operation • All-in-one system • Enhanced computerized features

This manual outlines the 3D OCT-1000 MARKII* 3D Optical Coherence Tomography, including operating procedures, troubleshooting, maintenance and cleaning. Before using the instrument, carefully read the "DISPLAY FOR SAFE USE" and the "SAFETY CAUTIONS" to familiarize yourself with the features of the TOPCON 3D OCT-1000 3D Optical Coherence Tomography and to ensure that you operate it efficiently and safely. Always keep this Instruction Manual at hand. (* MARKII is a catalog symbol.)

[Warning] Be careful not to bump the patient’s eyes or nose with the instrument during operation. [The patient may be injured.] This symbol is applicable for EU member countries only. To avoid potential negative consequences for the environment and possibly human health, this instrument should be disposed of (i) for EU member countries - in accordance with WEEE (Directive on Waste Electrical and Electronic Equipment), or (ii) for all other countries, in accordance with local disposal and recycling laws.

CLASS

IEC60601-1

0123

Caution: Federal laws restrict this device to the sale by or on the order of a physician. WARNING : Handling the cord on this product or cords associated with accessories sold with this product, will expose you to lead, a chemical known to the State of California to cause birth detects or other reproductive harm. Wash hands after handling.

CAUTIONS FOR USE Basic caution When taking a picture, make sure that the patient keeps his/her hands away from the movable parts to avoid possible injury. To avoid electric shock, turn the power switch OFF before replacing the lamp. To avoid burns due to the hot lamp, allow the lamp to cool before replacing. To avoid electric shock, do not open the instrument. Request service from an authorized Topcon distributor. Electric shock may cause burns or a possible fire. Turn the power switch OFF and unplug the power cord before replacing the fuses. Replace only with fuses of the correct rating.

Disposal When disposing the instrument and/or parts, follow the local regulations for disposal and recycling.

ENVIRONMENTAL CONDITIONS FOR USE Temperature : 10°C - 40°C Humidity : 30% - 75% (non-condensing) Air pressure : 700hPa - 1060hPa

STORAGE, USAGE PERIOD AND OTHERS 1. Environmental conditions for installation (without package) Temperature : 10°C - 40°C Humidity : 30% - 75% (non-condensing) Air pressure : 700hPa - 1060hPa 2. When storing the instrument, ensure that the following conditions are met: (1) The instrument should not be splashed with water. (2) Store the instrument away from the environment where air pressure, temperature, humidity, ventilation, sunlight, dust, salty/sulfurous air, etc. could cause damage. (3) Do not store or transport the instrument on a slope or uneven surface or in an area where it is subject to vibrations or instability. (4) Do not store the instrument where chemicals are stored or gas is generated. 3. Usage period 8 years from delivery providing regular maintenance is performed (according to the self-certification [Topcon data])

ENVIRONMENTAL CONDITIONS FOR PACKAGING AND TRANSPORTATION Temperature : -20°C - 50°C Humidity : 10% - 95%

CHECKPOINTS FOR MAINTENANCE 1. Periodically inspect the instrument and its parts. 2. Before using the instrument after a long period of inactivity, make sure that it operates safely and normally. 3. Be careful not to stain the objective lens with fingerprints, dirt, etc., as this will affect the quality of pictures. 4. When the instrument is not in use, cap the objective lens and apply the dust cover to the instrument. 5. If the objective lens is stained, clean it according to "Cleaning the objective lens" in this manual.

DISPLAY FOR SAFE USE To encourage safe and proper use and to prevent injury to the operator and others or potential damage to property, important messages are put on the instrument body and inserted in the instruction manual. We suggest that everyone understand the meaning of the following displays, icons and text before reading the "SAFETY CAUTIONS" and observe all listed instructions.

DISPLAYS Display

Meaning

WARNING

Incorrect handling by ignoring this display may lead to a risk of death or serious injury.

CAUTION

Incorrect handling by ignoring this display may lead to personal injury or physical damage.

• Injury refers to cuts, bruises, burns, electric shock, etc. which do not require hospitalization or extended medical treatment. • Physical damage refers to extensive damage to the building, nearby equipment and/or surrounding furniture.

ICONS Icon

Meaning Prohibition. Specific content is expressed with words or a picture near the icon. Mandatory Action Specific content is expressed with words or a picture near the icon. Caution Specific content is expressed with words or a picture near the icon.

SAFETY CAUTIONS WARNINGS Icon

Prevention item

Page

To avoid fire and electric shock in case of leakage, be sure to use a power supply equipped with a 3-pin plug AC receptacle for proper grounding.

To avoid electric shock, do not attempt disassembling, rebuilding and/or repairs on your own. Ask your dealer for repairs.

Do not remove the covers from the main unit, chin-rest unit or power supply unit except for the lamp house cover. You may receive an electric shock.

To avoid electric shock, be sure to remove the power cord from the instrument body before removing the fuse cover. Also, do not connect the power cord to the instrument body with the fuse cover left open.

To avoid fire, use a properly rated fuse (Europe: 110/120V T 5A 125V, 230/240 T 2.5A 250V Outside Europe: 100/110/120V T 5A 125V, 220/230/240V T 2.5A 250V) which matches the display provided on the fuse holder.

To avoid fire and electric shock, install the instrument in a place free of water and other liquids.

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To avoid fire and electric shock, do not put cups or vessels containing liquids near the instrument.

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To avoid electric shock, do not insert metal objects into any vents and/or slots.

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To avoid fire in the event of an instrument malfunction, immediately turn OFF the Power switch and unplug the cable if you see smoke coming from the instrument or if you detect a burning odor.

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SAFETY CAUTIONS CAUTIONS Icon

Prevention item

Page

To prevent the instrument from falling and to avoid injury, install the instrument on a level surface.

16, 60

To avoid electric shock, do not handle the plugs with wet fingers.

To avoid discomfort to the patient, do not brighten the monitor lamp more than necessary.

To avoid discomfort to the patient, do not brighten the photography light more than necessary.

To avoid injury, do not place your fingers into the gap between the instrument body and the power supply unit.

To avoid burns, allow the lamp to cool before touching.

To avoid electric shock, do not touch the xenon lamp immediately after it flashes or burns out.

To avoid damage to the instrument or injury due to an electric shock, turn off the power switch and remove the power cord before cleaning the instrument.

SAFETY CAUTIONS CAUTIONS Icon

Prevention item

Page

To prevent the instrument from falling and to avoid injury during carrying, be sure to secure the instrument with the fixing knob at the bottom.

To avoid injury or damage, two people should be employed supporting the instrument from the underside. Carrying by one person may result in personal injury and/or damage to the instrument should the person slip or fall.

To avoid falling and injury while moving the table with the instrument on top of it, be sure to use an approved automatic instrument table.

Adjust the height of the chin-rest while looking directly at the patient.

To avoid injury to the patient's eyes and nose while moving the instrument body, be attentive to the distance between the patient and the objective lens.

To avoid electric shock, be sure to turn the power supply off and unplug the power cord before replacing the lamp.

61, 62

To prevent the instrument body from falling and to avoid injury during movement, be sure to affix the power supply unit to the instrument body with the base locking knob.

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This instrument has been tested (with 120V/230V) and found to comply with IEC60601-1-2 Ed2.1: 2004. This instrument radiates radio frequency energy within standard and may affect other devices in the vicinity. If you have discovered that turning on/off the instrument affects other devices, we recommend you change its position, keep a proper distance from other devices, or plug it into a different outlet. Please consult the dealer from whom you purchased the instrument if you have any additional questions.

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USAGE AND MAINTENANCE USAGE Usage: • The 3D OCT-1000 MARKII 3D Optical Coherence Tomography is an electric instrument for medical use. Use this instrument under a doctor's guidance.

USER MAINTENANCE To ensure the safety and performance of the instrument, all maintenance work, unless specified in this manual, shall be conducted by trained service engineers. The following maintenance tasks may be done by the user. For details, see the relevant part of this manual.

Replacing lamps: The illumination lamp and xenon lamp may be replaced by the user. For details, see "REPLACING THE ILLUMINATION LAMP" on page 61 and "REPLACING THE XENON LAMP" on page 62.

Replacing fuses: The fuses on the instrument body may be replaced by the user. For details, see "CHANGING THE FUSE" on page 64.

Cleaning the objective lens: The objective lens may be cleaned by the user. For details, see "CLEANING THE OBJECTIVE LENS" on page 66.

ESCAPE CLAUSES • TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third persons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions. • TOPCON shall not take any responsibility for damage derived from inability to properly use this instrument, such as loss of business profit and suspension of business. • TOPCON shall not take any responsibility for damage caused from using this instrument in a manner other than that described in this Instruction Manual. • Diagnoses made shall be the responsibility of pertaining doctors and TOPCON shall not take any responsibility for the results of such diagnoses.

WARNING DISPLAYS AND POSITIONS To ensure safety, this machine provides warning displays. Use the instrument correctly by observing the display instructions. If any of the following display labels are missing, contact your TOPCON dealer at the address listed on the back cover.

CAUTION y To avoid injury to the patient's face and hands, be sure to adjust the height of the chin-rest while looking directly at the patient.

CAUTION y To avoid potential injury during operation, do not touch the patient's eyes or nose with the instrument.

CAUTION y To avoid potential injury, only authorized personnel should disassemble this component. The internal spring may suddenly expand during disassembly.

WARNING y Electrical shock can cause burns or a possible fire. Turn the main power switch OFF and UNPLUG the power cord before replacing the fuses. Replace only with fuses of the correct rating.

CAUTION y To avoid electric shock, be sure to turn the power supply off and unplug the power cord before replacing the lamp. y To avoid burns, allow the lamp to cool before replacing

WARNING y Electrical shock can cause burns or a possible fire. Turn the main power switch OFF and UNPLUG the power cord before replacing the fuses. Replace only with fuses of the correct rating.

WARNING y To prevent electrical shock, do not remove the cover. There are no user serviceable parts inside, refer servicing to qualified personnel.

CONTENTS Introduction .......................................................................................................................... 1 Cautions for use................................................................................................................... 2 Environmental conditions for use......................................................................................... 2 Storage, usage period and others........................................................................................2 Environmental conditions for packaging and transportation ................................................2 Checkpoints for maintenance ..............................................................................................2 Display for safe use ............................................................................................................. 3 Safety cautions .................................................................................................................... 4 Usage and maintenance ...................................................................................................... 7 Usage...................................................................................................................................7 User maintenance................................................................................................................7 Escape clauses.................................................................................................................... 7 Warning displays and positions............................................................................................8

COMPONENTS Component names............................................................................................................. 11 Composition of parts which contact the human body......................................................... 11 Control panel components .................................................................................................12 Monitor screen ...................................................................................................................13 Standard accessories.........................................................................................................15

PREPARATIONS Installing the instrument ..................................................................................................... 16 Connecting the power cord ................................................................................................17 Connecting the external device..........................................................................................18 Main menu ......................................................................................................................... 19 Initial setting menu "INITIAL MENU".................................................................................. 32 Reset from power save state ............................................................................................. 37

BASIC OPERATIONS Preparation for photography .............................................................................................. 38 Color photography (the aged insurance law position)........................................................ 40 Photography of the macula and optic disc .........................................................................48 Anterior segment photography...........................................................................................49

BEFORE REQUESTING SERVICE Troubleshooting ................................................................................................................. 51

SPECIFICATIONS AND PERFORMANCE Specifications .....................................................................................................................53 Electromagnetic compatibility ............................................................................................54 Patient’s environment ........................................................................................................57 Electric rating .....................................................................................................................58 Specifications of the personal computer (commercial product) to be connected...............58 System classification.......................................................................................................... 58 Dimensions and weight...................................................................................................... 59 Purpose of use...................................................................................................................59 Operation principle.............................................................................................................59

MAINTENANCE Daily checkups...................................................................................................................60 Ordering consumables.......................................................................................................60 Replacing the illumination lamp ......................................................................................... 61 Replacing the xenon lamp .................................................................................................62 Changing the fuse..............................................................................................................64 Refilling the chin-rest paper sheet .....................................................................................65 Adjusting the monitor .........................................................................................................65 Maintenance by the dealer.................................................................................................65

CLEANING Cleaning the external cover, control panel and monitor screen .........................................66 Cleaning the parts which come into contact with the patient .............................................66 Cleaning the objective lens ................................................................................................66 Disposing of the product .................................................................................................... 67

TYPE OF PLUG ......................................................................................................................68 SYMBOL ................................................................................................................................... 69 RELATION BETWEEN THE SETTING OF THE FLASH LEVEL AND MAXIMUM RADIANCE .........................................................................................................70 INFORMATION ABOUT THE OPTICAL RADIATION HAZARD TO THE USER ..................................................................................................... 71

COMPONENTS COMPONENT NAMES Fiber guide Optical fiber

Main unit

External fixation target

Light path length compensation handle

Diopter compensation lens selector Focusing knob

Monitor

Image quality adjustment knob

Photography switch Control lever

IR filter selector

Base brake knob Mode selector switch Vertical position mark Power lamp Control panel

Power supply unit

Fuse holder Fixing knob (for carrying) Forehead rest Objective lens

Canthus marker

Chin-rest unit

Lamp house cover screw Chin-rest paper pin

Lamp house cover Chin-rest

Fiber guide Power switch

Fuse holder External connection terminal External connection terminal

Spectroscope unit

COMPOSITION OF PARTS WHICH CONTACT THE HUMAN BODY Forehead rest : Silicone rubber Chin-rest : Acrylonitrile butadiene styrene resin Chin-rest paper sheet : Paper

11 COMPONENTS

CONTROL PANEL COMPONENTS Mode selector/AUTO-Z switch Menu switch

Split switch

Fixation target selector switch State selector switch

Zoom switch

Flash level switch (-, reset, +) Illumination level switch (-, +) Chin-rest switch

Power LED

Fixation target size selector switch Fixation target position fine adjustment switch (Up/Down/Left/Right/Reset)

Menu switch ........................................ Displays the Menu screen. Split switch .......................................... Turns the split lines on/off. Flash level switch ................................ Adjusts the flash level for the patient's eye condition. Illumination level switch....................... Adjusts the illumination level for the patient's eye condition. Chin-rest switch................................... Adjusts the chin-rest up/down movement. Zoom switch ........................................ Changes to "Picture angle 45° " and "Digital zoom". State selector switch ........................... Changes "fundus tomogram image adjustment" and "Alignment". Fixation target selector switch............. Selects the internal fixation target position among the following three: "C" (the aged insurance law position), "D" (optic disc center) and "M" (macula center). Fixation target size selector switch...... Selects the internal fixation target shape among the following five: "1 dot", "4-dot rectangle", "4-dot rhomb", "×" and "cross". Fixation target position fine adjustment switch ....................................................... Adjusts finely the internal fixation target position. Mode selector / AUTO-Z switch*..........Using the tool mode, change the mode and set "AUTO-Z". • Starts AUTO-Z. Displays the fundus tomogram automatically. • Changes the following modes: "Fundus photography + fundus tomography" ( ) Fundus tomography ( ) Fundus photography ( ) Power LED .......................................... Displays "power ON" (this LED is ON), "OFF" (this LED is OFF) and "Power save" (this LED blinks). * When the personal computer is connected.

12 COMPONENTS

MONITOR SCREEN Monitor screen Operation state display

Operation mode display

Xenon charging display

Right/left eye display ( ) scale

Flash level compensation display Flash level display Picture angle display White balance Fixation target position display

D CM

Illumination level display

Menu screen MAIN MENU Cursor

FIXATION TOMOGRAPHY RETINA PHOTOGRAPHY

Input guide display

13 COMPONENTS

Preview display (color) Right/left eye

Photography image

Date

Picture angle 45°

Digital zoom (×2)

Digital zoom (×4)

In the case of digital zoom (×2), the mask may not be indicated at the center of the review display on the monitor, and it may be partly missing. However, the recorded image is not affected by this phenomenon.

14 COMPONENTS

STANDARD ACCESSORIES Upon unpacking, make sure that all the following standard accessories are included. Figures in ( ) are the quantities. Power cord (1)

Fuses (8)

Chin-rest paper sheet (1)

Instruction manual and Unpacking and assembly manual (1 each)

Instruction manual (for software) (1) and DVD (1), CD-R (1)

Spare parts case (1)

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INSTURUCTION MANUAL 3D OPTICAL COHERENCE TOMOGRAPHY INSTURUCTION MANUAL

MARKII MARKII

Dust covers (2)

Chin-rest paper pins (2)

Serial communication cable (2)

External fixation target (1)

Fiber guides (2)

Digital Video cable (1)

Spectroscope P/S cable (1)

Spectroscope control cable (1)

Video cable (1)

Rail cover (2)

Emergency chin-rest knob (1)

Phillips screwdriver (1)

15 COMPONENTS

PREPARATIONS INSTALLING THE INSTRUMENT

1 2

CAUTION

To prevent the instrument from falling and to avoid injury during carrying, be sure to secure the instrument with the fixing knob at the bottom.

CAUTION

To avoid falling and injury while moving the table with the instrument on top of it, be sure to use an approved automatic instrument table.

CAUTION

To prevent the instrument from falling and to avoid injury, install the instrument on a level surface.

Fasten the fixing knob. Firmly hold the instrument body at the specified positions, and put it on the automatic instrument table.

Holding positions

3 4

Fixing knob

Holding the instrument body

After installing the instrument, fully loosen the fixing knob. The instrument body is free to move. If the instrument body is slightly unlevel, fine-adjust the height by properly operating the four adjusters. Do not extend the adjuster past 1cm.

Adjuster

16 PREPARATIONS

CONNECTING THE POWER CORD

1 2

WARNING

To avoid fire and electric shock in case of leakage, be sure to use a power supply equipped with a 3-pin plug AC receptacle for proper grounding.

CAUTION

To avoid electric shock, do not handle the plugs with wet fingers.

Make sure that the main switch of the instrument body is OFF. Attach the power cord to the instrument body.

Plug the power cord into the 3-pin plug AC receptacle.

17 PREPARATIONS

CONNECTING THE EXTERNAL DEVICE Connecting to the spectroscope

1 2 3 4

NOTE

Be very careful not to bend the fiber at a sharp angle (25 degree or less). It may damage the fiber.

NOTE

Be very careful not to hang or suspend anything on the fiber. It may damage the fiber.

NOTE

Do not remove the fiber from the instrument and spectroscope.

NOTE

Use the external device complying with UL 60950 / UL 60950-1 or IEC 60950 / IEC60950-1.

Connect the optical fiber from the spectroscope to the optical fiber terminal of the instrument. Connect the Video cable (packed together) from the spectroscope to the video terminal of the instrument. Connect the spectroscope P/S cable (packed together) from the spectroscope to the spectroscope P/S terminal of the instrument. Connect the spectroscope control cable (packed together) from the spectroscope to the spectroscope control terminal of the instrument. External connection terminals of the instrument

Video terminal Spectroscope control terminal Spectroscope P/S terminal

Serial communication 2 terminal Serial communication 1 terminal

External connection terminals on the spectroscope

Spectroscope P/S terminal Spectroscope control terminal

Video terminal Digital Video terminal

Connecting to a personal computer This instrument can be connected to a personal computer through the external connection terminal.

1 2

Connect the Serial communication cable (packed together) from the personal computer to the Serial communication 1 terminal and Serial communication 2 terminal of the instrument. Connect the Digital Video cable (packed together) from the personal computer to the Digital Video terminal of the spectroscope.

18 PREPARATIONS

MAIN MENU On the "MAIN MENU", set the data for the fixation target, fundus tomography or photography.

Preparation for main menu setting

1 2

Check the power cord connection. For details about the connection, see "CONNECTING THE POWER CORD" on page 17. Turn the

ON (I).

POWER SWITCH

Displaying the main menu screen

1 2

Check the monitor screen. Press the MENU SWITCH on the control panel. Check the "MAIN MENU" screen. MAIN MENU Cursor

FIXATION TOMOGRAPHY RETINA PHOTOGRAPHY

How to operate Press the FLASH LEVEL SWITCH (+) or select it with the FLASH LEVEL SWITCH (

FLASH LEVEL SWITCH (-) )

to high light an item and

Returning to the Monitor screen

Press the

MENU SWITCH

19 PREPARATIONS

"FIXATION" menu (Setting the fixation target) This menu shows the items concerned with the fixation target. "FIXATION TYPE" (Switching of internal fixation target on/flicker) The internal fixation target can be switched between on and flicker states. When shipped, "FLICKERING" (flicker) is set.

Move the cursor to "FIXATION TYPE" on the "MAIN MENU" screen, and press the FLASH LEVEL SWITCH (RESET) to call out the "FIXATION TYPE" screen. FIXATION TYPE CONSTANT FLICKERING

2 3

Press the FLASH LEVEL SWITCH (+) or (on) or "FLICKERING" (flicker).

FLASH LEVEL SWITCH (-)

Press the returns.

; the setting is done and the "MAIN MENU" screen

FLASH LEVEL SWITCH (RESET)

and select "CONSTANT"

"INTERNAL/EXTERNAL FIX" (Switching of internal/external fixation target) You can change the internal/external fixation target. When shipped, "INTERNAL" (internal fixation target) is the default setting.

Move the cursor to "INTERNAL/EXTERNAL FIX" on the "MAIN MENU" screen and press the FLASH LEVEL SWITCH (RESET) to access the "INTERNAL/EXTERNAL FIX" screen. INTERNAL/EXTERNAL FIX INTERNAL EXTERNAL

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and select "INTERNAL" (internal fixation target) or "EXTERNAL" (external fixation target). Press the is reset.

20 PREPARATIONS

FLASH LEVEL SWITCH (RESET)

; the setting is done and the "MAIN MENU" screen

"FIXATION PATTERNS" (Internal fixation target patterns) You can select the internal fixation target pattern from three types, "P2A", "P2B" and "P3". When shipped, "P3" is set. P2A : The center position and optic disc (Default setting) P2B : The center position and macula P3 : The center position, optic disc and macula

Move the cursor to "FIXATION PATTERNS" on the "FIXATION" screen and press the FLASH LEVEL SWITCH (RESET) to access the "FIXATION PATTERNS" screen. FIXATION PATTERNS P2A P2B P3

2 3

Press the "P3".

FLASH LEVEL SWITCH (+)

Press the reset.

FLASH LEVEL SWITCH (RESET)

FLASH LEVEL SWITCH (-)

and select "P2A", "P2B" or

; the setting is done and the "FIXATION" screen is

"TOMOGRAPHY" menu This menu shows the items concerned with tomography.

Move the cursor to "TOMOGRAPHY" on the "MAIN MENU" screen, and press the FLASH LEVEL SWITCH (RESET) to access the "TOMOGRAPHY" screen. TOMOGRAPHY PC CONTROL B-SCAN

21 PREPARATIONS

"PC CONTROL" You can select the control through a personal computer.

Move the cursor to "PC CONTROL" on the "TOMOGRAPHY" screen and press the FLASH LEVEL SWITCH (RESET) to access the "PC CONTROL" screen. PC CONTROL ON OFF

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and select "ON" or "OFF". ON : Performs control. (Default setting) OFF : Do not perform control.

"B-SCAN" You can set the basic scanning function.

Move the cursor to "B-SCAN" on the "TOMOGRAPHY" screen and press the FLASH LEVEL SWITCH (RESET) to access the "B-SCAN" display. B-SCAN TYPE LENGTH RESOLUTION

Press the FLASH LEVEL SWITCH (+) or "TYPE" or "LENGTH".

22 PREPARATIONS

FLASH LEVEL SWITCH (-)

to select "RESOLUTION",

A) "RESOLUTION" Specify the horizontal resolution. RESOLUTION 1024 2048 4096

1024 (Default setting) 2048 4096 B) "TYPE" Specify the scanning type. TYPE LINE SCAN-H LINE SCAN-V CIRCLE SCAN-3.0 CIRCLE SCAN-2.4

LINE SCAN (Default setting) CIRCLE SCAN C) "LENGTH" Specify the scanning width. LENGTH 3.0 4.5 6.0 8.2

3.0 4.5 6.0 8.2

: 3.0mm : 4.5mm : 6.0mm (Default setting) : 8.2mm

Press the is reset.

FLASH LEVEL SWITCH (RESET)

; the setting is done and the "MAIN MENU" screen

23 PREPARATIONS

"RETINA PHOTOGRAPHY" menu This menu shows the items concerned with fundus photography. RETINA PHOTOGRAPHY FLASH LEVEL CAMERA

"FLASH LEVEL" You can change the standard or zero value of the flash level. When shipped, "0" (no change) is set.

Select "FLASH LEVEL" on the "RETINA PHOTOGRAPHY" screen, and press the FLASH LEVEL SWITCH (RESET) to call out the "FLASH LEVEL" screen. FLASH LEVEL LEVEL

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) to change to the desirable correction step. The value can be adjusted by 17 steps, from "+8" to "-8". Press the returns.

FLASH LEVEL SWITCH (RESET)

; the setting is done and the "MAIN MENU" screen

A step up/down changes the flash level reference value by about 20%.

"0" (when shipped) corresponds to 13% of the maximum radiance. For the ratio of the maximum radiance in the flash level, refer to page 70. The setting of "FLASH LEVEL" can be added to the "WHITE BAL." display. For details, contact your dealer or TOPCON (see the back cover).

24 PREPARATIONS

"CAMERA" You can set the data of the digital camera for fundus photography. The compression ratio, record pixels, gain, white balance, image emphasis, contrast, color, date/time and date form can be set.

Move the cursor to "CAMERA" on the "RETINA PHOTOGRAPHY" display and press the FLASH LEVEL SWITCH (RESET) . The Monitor display changes to the "CAMERA" display. CAMERA QUALITY SIZE GAIN WHITE BAL． ENHANCE CONTRAST COLOR DATE DATE FORM

To exit from the "CAMERA" display, press the

MENU SWITCH

A) "QUALITY" You can set the compression ratio of the file to be stored. B) "SIZE" You can set the size of the image to be recorded. C) "GAIN" You can change "GAIN" (luminance) of the image to be recorded. D) "WHITE BAL." You can change the color balance of the image. E) "ENHANCE" You can change "ENHANCE" (emphasis) of the image. F) "CONTRAST" You can change "CONTRAST" of the image. G) "COLOR" You can change "COLOR" (color density) of the image. H) "DATE" You can set date/time. I) "DATE FORM" You can set the display order of date.

25 PREPARATIONS

QUALITY (File compression ratio) Set the compression ratio of the file to be stored. When shipped, "BASIC" is set.

Select "QUALITY" on the "CAMERA" display. The "QUALITY" display appears. QUALITY BMP TIFF FINE NORMAL BASIC

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and select the desirable ratio from the following: "BMP" (No compression) "TIFF" (No compression) "FINE" (Compression to approx. 1/4) "NORMAL" (Compression to approx. 1/8) "BASIC" (Compression to approx. 1/16) Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

SIZE (Record pixels) Set the size of the image to be recorded. When shipped, "FULL" is set.

Select "SIZE" on the "CAMERA" display. The "SIZE" display appears. SIZE FULL UXGA XGA

Press the FLASH LEVEL SWITCH (+) or from the following: "FULL" (2048 × 1536 pixels) "UXGA" (1600 × 1200 pixels) "XGA" (1024 × 768 pixels)

FLASH LEVEL SWITCH (-)

to select the desirable size

Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

26 PREPARATIONS

GAIN The gain (luminance) of the image can be changed. When shipped, "0" is set.

Select "GAIN" on the "CAMERA" display. The "GAIN" display appears. GAIN LEVEL

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and change "GAIN" (luminance) to the desirable correction step. The value can be adjusted by 25 steps, from "+12" to "-12". Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again. As with most commercial cameras, gain is displayed in "dB". Increase/decrease the value by 1 step (3 steps), and gain can be changed by approx. 12% (approx. 40%). The setting of "GAIN" can be added to the "WHITE BAL." display. For details, contact your dealer or TOPCON (see the back cover).

27 PREPARATIONS

WHITE BAL. (White balance) The color balance of the image can be changed. The three types, "WHITE BAL. 1", "WHITE BAL. 2" and "WHITE BAL. 3" can be stored. When shipped, "R-GAIN 96/G-GAIN 70/B-GAIN 85" of "WHITE BAL. 1" is set.

Select "WHITE BAL." on the "CAMERA" display. The "WHITE BAL." display appears. WHITE BAL. SELECT WHITE BAL.1 WHITE BAL.2 WHITE BAL.3

On the "SELECT" screen, select the white balance setting ("WHITE BAL. 1 - 3") to be validated. SELECT WHITE BAL.1 WHITE BAL.2 WHITE BAL.3

On each of "WHITE BAL. 1" to "WHITE BAL. 3", you can set data. WHITE BAL.1 R-GAIN G-GAIN B-GAIN

096 070 085

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) to select the desired item. Then, change each item to the desired numeral with the ILLUMINATION LEVEL SWITCH (+) or ILLUMINATION LEVEL SWITCH (-) . "R-GAIN" (red gain) : The value can be set in the range of "1" - "255". "G-GAIN" (green gain) : The value can be set in the range of "1" - "255". "B-GAIN" (blue gain) : The value can be set in the range of "1" - "255".

4 5

Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "WHITE BAL." display appears again. Press the

28 PREPARATIONS

MENU SWITCH

, and the "CAMERA" display appears again.

ENHANCE (Image emphasis) Image emphasis allows you to change certain image characteristics. When shipped, "0" is set.

Select "ENHANCE" on the "CAMERA" display. The "ENHANCE" display appears. ENHANCE LEVEL 0

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and change the level to the desired one. You can adjust the level by 9 steps, from "-4" to "+4". Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

CONTRAST The image contrast can be changed. When shipped, "0" is set.

Select "CONTRAST" on the "CAMERA" display. The "CONTRAST" display appears. CONTRAST LEVEL 0

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) and adjust the contrast. The contrast can be adjusted by 9 steps, from "-4" to "+4". Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

29 PREPARATIONS

COLOR The image color depth can be changed. When shipped, "0" is set.

Select "COLOR" on the "CAMERA" display. The "COLOR" display appears. COLOR LEVEL 0

2 3

Press the FLASH LEVEL SWITCH (+) or FLASH LEVEL SWITCH (-) to adjust the image color depth. The color depth can be adjusted by 9 steps, from "-4" to "+4". Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

DATE (Date/time) You can set the date and time.

Select "DATE" on the "CAMERA" display. The "DATE" display appears. DATE 04-04-20 17:36

2 3

Press the FLASH LEVEL SWITCH (+) or item to be set. Press the FLASH LEVEL SWITCH (+) or the desired ones.

FLASH LEVEL SWITCH (-)

to move the cursor to the

FLASH LEVEL SWITCH (-)

to change the numerals to

Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

30 PREPARATIONS

DATE FORM You can set the display order of year, month and day. When shipped, "year-month-day" is set.

Select "DATE FORM" on the "CAMERA" display. The "DATE FORM" display appears. DATE FORM YY-MM-DD MM-DD-YY DD-MM-YY

Press the FLASH LEVEL SWITCH (+) order from the following: "YY-MM-DD" (year-month-day) "MM-DD-YY" (month-day-year) "DD-MM-YY" (day-month-year)

FLASH LEVEL SWITCH (-)

to select the desirable

Press the FLASH LEVEL SWITCH (RESET) ; the setting is done and the "CAMERA" display appears again.

31 PREPARATIONS

INITIAL SETTING MENU "INITIAL MENU" To display "INITIAL MENU", press the POWER SWITCH while simultaneously pressing the PHOTOGRAPHY SWITCH and the MENU SWITCH . In "INITIAL MENU", in addition to "MAIN MENU", you can set the monitor display, initial data and language. INITIAL MENU FIXATION TOMOGRAPHY RETINA PHOTOGRAPHY MONITOR DISPLAY INITIAL SETTINGS LANGUAGE

How to operate Press the FLASH LEVEL SWITCH (+) or select it with the FLASH LEVEL SWITCH (

FLASH LEVEL SWITCH (-) )

"FIXATION" menu *The contents are the same as "MAIN MENU". (Refer to page 20.)

"TOMOGRAPHY" menu *The contents are the same as "MAIN MENU". (Refer to page 21.)

32 PREPARATIONS

to high light an item and

"RETINA PHOTOGRAPHY" menu "FLASH LEVEL" "CAMERA" "SYSTEM SETTINGS" "CAMERA SUB" It is possible to operate the instrument through the tool mode for the built-in CCD camera. CAMERA SUB WHITE BAL. MODE WHITE BAL. PATTERNS WHITE BAL. NAME CAMERA SETTINGS

A) WHITE BAL. MODE Select whether "GAIN" and "FLASH LEVEL" should be added to the "WHITE BAL." data of "CAMERA". B) WHITE BAL. PATTERNS Select the pattern for white balance that should be set by "WHITE BAL." of "CAMERA". C) WHITE BAL. NAME Select and change the names displayed on the monitor when changing "WHITE BAL. 1 3" with the split switch. C)-1. MODE Select the name mode. C)-2. WHITE BAL. 1 - 3 When you specify "ON" for "MODE", this item can be selected. You can change the names of "WHITE BAL. 1 - 3" (8 digits). The usable characters are numerals (0 - 9), English capital letters (A - Z), symbol (-) and space ( ). D) CAMERA SETTINGS Select whether the setting of the built-in digital camera (DC-2) should be controlled from the personal computer side.

33 PREPARATIONS

"MONITOR DISPLAY" menu You can set the following items: the flash level compensation display, flash level display, illumination level display, picture angle display, fixation position display, right/left eye display, operation mode display, operation state display and photography date display. MONITOR DISPLAY FLASH LEVEL IN 9STEPS FLASH LEVELS IN WS ILLUMINATION LEVELS ANGLE INDICATION PERIPHERAL PATTERN RL OPERATING MODE OPERATING STATE DATE

"FLASH LEVEL IN 9 STEPS" You can set the flash level compensation display. "FLASH LEVELS IN WS" You can set the flash level display. "ILLUMINATION LEVELS" You can set the illumination level display. "ANGLE INDICATION" You can set the picture angle display. "PERIPHERAL PATTERN" You can set the fixation position display. "RL" You can set the right/left eye display. "OPERATING MODE" [Newly added item] You can set the operation mode display. ON : Display (Default setting) OFF : Nondisplay "OPERATING STATE" [Newly added item] You can set the operation state display. ON : Display (Default setting) OFF : Nondisplay "DATE" You can set the photography date display.

34 PREPARATIONS

"INITIAL SETTINGS" menu You can set the operation sound, power saving time and split switch, and you can also initialize the set data. INITIAL SETTINGS OPERATION SOUND POWER SAVER TIME SPLIT SWITCH MODE SELECTOR SWITCH DATA SETTINGS

"OPERATION SOUND" You can set the operation sound. "POWER SAVER TIME" You can set the power saving time. "SPLIT SWITCH" Using the split switch, you can select the following data: whether the split lines should be ON/OFF, whether the internal fixation target should be ON/OFF, whether the white balance setting patterns should be changed or not and whether the light path length compensation dial function should be changed or not. SPLIT SWITCH SPLIT WHITE BAL. FIXATION REF. DIAL

SPLIT : Changes ON/OFF of the split lines. (Default setting) WHITE BAL. : Changes the white balance setting patterns. FIXATION : Changes the internal fixation target/external fixation target. REF. DIAL : This item is changed to "REF/POL". Then, it changes the function to the following two. REF: Adjusts the light path length of the reference mirror. POL: Adjusts the polarization position.

35 PREPARATIONS

"MODE SELECTOR SWITCH" Using the [MODE SELECTOR SWITCH] switch, you can select one of two procedures to change the modes and to start AUTO-Z. MODE SELECTOR SWITCH MODE AUTO-Z

MODE

: Changes the following modes: Retinal camera + Retinal tomography/Retinal tomography/Fundus photography AUTO-Z* : Starts AUTO-Z. Displays the fundus tomogram on the personal computer screen automatically. * When the personal computer is connected. "DATA SETTINGS" You can return the data set in the menus to the initial condition. DATA SETTINGS INITIALIZE EXIT

INITIALIZE : Returns the data set in the menus to the initial condition. EXIT : Exits from this menu without any operation. "LANGUAGE" menu You can set the language for the menus.

36 PREPARATIONS

RESET FROM POWER SAVE STATE This machine adopts the power save method for power saving. When the instrument body is not operated for a period of time, the power save function stops power supply to the monitor, illumination light source and photography light source. When power save mode sets in, the power lamp on the control panel flickers and the monitor screen goes off.

Press the PHOTOGRAPHY SWITCH . In a few seconds, the monitor is displayed and ready for photographing. When shipped, the power save set time is 10 minutes. To change the set time, contact your dealer or TOPCON (see the back cover).

37 PREPARATIONS

BASIC OPERATIONS PREPARATION FOR PHOTOGRAPHY Connecting the power supply

1 2 3

Check the power cord connection. For details, see "CONNECTING THE POWER CORD" on page 17. Turn ON the

POWER SWITCH

of the instrument and the external recording device .

Confirm that the Title screen is displayed and then in a few seconds the Monitor screen should be displayed.

Preparation of personal computer

After starting the software program of the personal computer, click the "Capture" button on the toolbar. The dialog box is displayed. When the patient information is not registered in the database: Fill in the patient information fields in the dialog box. When the patient information already exists in the database: Click the [Select Patient...] button and choose the corresponding patient from the patient list. Click the [OK] button. Refer to the instruction manual of the software for details on the dialog box.

3 4

The observation screen for the fundus and fundus tomogram is displayed, and photography is possible. The preparation of the 3D OCT-1000 MARKII for photography is finished.

38 BASIC OPERATIONS

Setting up the patient

1 2

CAUTION

Adjust the height of the chin-rest while looking directly at the patient.

NOTE

If the patient wears glasses or contact lenses, have him/her remove them first.

Make sure the main Monitor screen is on. Make sure that the IR filter selector is pushed in.

IR filter selector pushed in

3 4

Seat the patient comfortably on an exam stool or chair in front of the instrument. Adjust the table height or chair height so the patient can relax with his/her chin placed centrally on the chin-rest. Let the patient rest his/her chin on the chin-rest.

Adjust the chin-rest height by adjusting the chin-rest switch so the outside corner of the patient’s eye is level with the Canthus marker on the chin-rest post. Let the patient rest his/her forehead on the fore-head rest.

Canthus marker

39 BASIC OPERATIONS

COLOR PHOTOGRAPHY (THE AGED INSURANCE LAW POSITION) NOTE

To ensure correct imaging, adjust the table height so the patient can relax with his/her chin placed centrally on the chin-rest.

Setting the picture position Set the photography position with the FIXATION TARGET SELECTOR SWITCH . Press the FIXATION TARGET SELECTOR SWITCH , and the target position is adjusted. Set the target position display to "C" (the aged insurance law positoin). You can view the target position on the monitor. Fixation position display (in the case of the right eye)

DC DC P2A

CM CM P2B

D CM D CM D CM P3

Fixation position display (in the case of the left eye)

CD CD P2A

MC MC P2B

MC D MC D MC D P3

When the power is turned on (initial condition), the photography position is set to "C" (the aged insurance law positoin). When shipped, the fixation target pattern is set to "P3". When the external fixation target is used, operate the arm to guide the patient’s eye to the correct position.

Setting the picture angle Press the picture angle switch to set the picture angle to 45° or ×2 (approximately ×2 by digital zoom) or ×4 (approximately ×4 by digital zoom). Even if the picture angle is changed, the picture angle on the monitor does not change. To check the current picture angle, check the picture angle display (only when ×2 or ×4 is set) on the monitor.

40 BASIC OPERATIONS

Setting the illumination level

CAUTION

To avoid discomfort to the patient, do not brighten the monitor lamp more than necessary.

Set the illumination level using the ILLUMINATION LEVEL SWITCH . You can confirm the current level using the illumination level display on the monitor.

D CM

Illumination level

The illumination level can be set in 5 steps. When the instrument is first turned on, the illumination level is set to level 3.

Setting the flash level

CAUTION

To avoid discomfort to the patient, do not brighten the photography light more than necessary.

Set the flash level using the FLASH LEVEL SWITCH . The compensation value can be checked by the flash level compensation display on the monitor.

Flash level compensation display

D CM

The flash level can be compensated in 4 steps in both the (+) and (-) directions from the reference value. When the flash level is the reference value, no compensation value is displayed. When the instrument is first turned on, the flash level is set to the reference value. You can adjust the reference value of the flash level by 8 steps in both (+) and (-) directions. See the "FLASH LEVEL" on page 24. The flash level display can also display the light intensity level (unit: WS) in addition to the compensation value. For details about the flash level setting, contact your dealer or TOPCON (see the back cover).

41 BASIC OPERATIONS

Changing the diopter compensation lens Pull out the diopter compensation lens selector and change the diopter compensation lens for the patient's eye.

When the patient's eye has a strong myopia, pull out the diopter compensation lens selector by one step and set it to (-). When the patient's eye has a strong hyperopia, pull out the diopter compensation lens selector by two steps and set it to (+). Compensation range: 0 :-13 - +12D - :-12 - -33D + :+9 - +40D When the diopter compensation lens is set to a value other than "0", the split lines disappear.

42 BASIC OPERATIONS

Alignment and photography

CAUTION

To avoid injury, do not place your fingers in the gap between the instrument body and the power supply unit.

CAUTION

To avoid injury to the patient's eyes and nose while moving the instrument body, be attentive to the distance between the patient and the objective lens.

NOTE

Be very careful to prevent the fiber from being stretched and bent while the instrument is photographing.

The alignment operation is done with the control lever. Moving the instrument body with the control lever • Fine movements of the base, back and forth and right and left, are done by tilting the control lever. Before performing this operation, free the base by turning the base brake knob to the left. To lock the base, turn the base brake knob to the right.

Base brake knob

Operating the control lever (in back and forth/right and left directions)

• To move the instrument body up/down, turn the control lever right for upward movement, and left for downward movement. The vertical position of the instrument body can be checked with the vertical position mark.

Vertical position mark

Operating the control lever (in a vertical direction)

43 BASIC OPERATIONS

1 2

Hold the control lever and pull the instrument backwards toward the operator. As the internal fixation target turns on, instruct the patient to look at the fixation target in the center. Observe the anterior segment image on the monitor. Move the instrument body in right and left / up and down directions with the control lever until you get the patient's eye in the center of the monitor.

D CM

Now hold the control lever upright, which will facilitate the total alignment process.

On the monitor, bring the ( ) scale towards the patient's pupil, and make sure that the pupil is larger than the ( ) scale. Comparison of the ( ) scale and the eye tells you whether the pupil is large enough for retinal photography. Use this comparison to get the standard for photography.

Well dilated.

44 BASIC OPERATIONS

Narrowly dilated for photography.

Pupil diameter is too small: darken the room and further dilate the pupil.

While keeping the control lever upright, bring the base closer to the patient; the retina image appears on the monitor.

D CM

5 6

Instruct the patient to look at the green light (internal fixation target). While watching the image on the monitor, adjust the brightness of the image using the ILLUMINATION LEVEL SWITCH . For details about the illumination level setting, see page 41. An illumination level that is too bright will make the split lines hard to see.

While keeping the control lever upright, bring the base closer to the patient; and two bright spots for the working distance alignment become visible. Bright spots

D CM

Move the control lever until the two bright spots are changed to one spot on the monitor.

D CM

45 BASIC OPERATIONS

Operate the control lever and move the instrument body to bring the bright spot on the monitor into the ( ) scale.

D CM

Turn the focusing knob and align the focusing split lines into one line on the monitor.

Split lines

D CM

If you cannot align the split lines into one line by turning the focusing knob, change the diopter compensation lens. For details, see "Changing the diopter compensation lens" on page 42. Since the split lines are off when the diopter compensation lens is anything other than (0), turn the focusing knob so that the eye ground image is clearly visible on the monitor. If the split lines are not easily visible, lower the illumination level, or lower the brightness of the monitor. For details about adjusting the brightness of the monitor, see "ADJUSTING THE MONITOR" on page 65. If one of the split lines cannot be seen, check if dilation is sufficient or if the eye is obstructed by eyelashes or the eyelid, interrupting the light. You can remove the split lines from the Monitor screen. Press the SPLIT SWITCH to remove the split lines from the Monitor screen. Press the SPLIT SWITCH again to display the split lines on the Monitor screen.

Turn the light path length compensation handle to adjust the fundus tomogram position on the personal computer screen.

46 BASIC OPERATIONS

Make sure that the split line is aligned with the bright spot on the monitor. Press the PHOTOGRAPHY SWITCH when the patient's eye is fully opened and not blinking. Photography switch

Xenon charging display

D CM

Press the PHOTOGRAPHY SWITCH . The fundus tomography is done in about 3 seconds. Ask the patient not to blink or move his/her eye during the procedure. When the xenon charging display flickers on the monitor, photography is not possible even by pressing the PHOTOGRAPHY SWITCH .

When photography is finished, the Monitor screen appears again. If the light intensity of the photographed image is not correct, adjust it with the FLASH LEVEL SWITCH and repeat the alignment and photography.

14 15

To check the photographed image, click the thumbnail image on the personal computer screen. The fundus tomogram and color fundus image are displayed on the monitor. Refer to the instruction manual (for software) for operating and storing the image data. Refer to the instruction manual (for software) for the details of operation on the personal computer.

Take a picture by repeating Procedure 1 - 15 if necessary.

47 BASIC OPERATIONS

PHOTOGRAPHY OF THE MACULA AND OPTIC DISC Setting the picture position To set the macula and optic disc, press the FIXATION TARGET SELECTOR SWITCH . Each time it is pressed, the internal fixation target moves and the set point flickers on the monitor. Set "M" for macula, and "D" for optic disc. Fixation position display (in the case of the right eye)

DC DC P2A

CM CM P2B

D CM D CM D CM P3

Fixation position display (in the case of the left eye)

CD CD

P2A

MC MC P2B

MC D MC D MC D P3

When shipped, the fixation target pattern is set to "P3". When taking a picture of the macula, set it to "P2B" or "P3".

Other settings For other settings, see "COLOR PHOTOGRAPHY (THE AGED INSURANCE LAW POSITION)" settings on page 40.

Alignment and photography The alignment operation is done with the control lever. For details about movement/adjustment of the instrument body with the control lever, see the "MEMO" on page 43.

1 2

Move the instrument body right and left or up and down to display the patient's eye at the center of the monitor. On the monitor, bring the ( ) scale toward the patient's pupil, and make sure that the pupil is larger than the ( ) scale. For details about dilation, see the "MEMO" on page 44.

3 4 5

Slowly bring the instrument closer to the patient; the eye ground image appears on the monitor. In this instance, the ( ) scale on the monitor moves to an alignment position matching the picture position. By operating the ILLUMINATION LEVEL SWITCH , you can adjust the brightness of the image while watching it on the monitor. For details about the illumination level setting, see "Setting the illumination level" on page 41.

For the steps to follow, see "Alignment and photography" on page 43 for details in the case of color photography.

48 BASIC OPERATIONS

ANTERIOR SEGMENT PHOTOGRAPHY Setting the picture position Set the internal fixation target in the center by pressing the FIXATION TARGET SELECTOR SWITCH . See "Setting the picture position" on page 40.

Setting the illumination level Set the illumination level by pressing the ILLUMINATION LEVEL SWITCH . See "Setting the illumination level" on page 41.

Setting the flash level Set the flash level by pressing the FLASH LEVEL SWITCH . See "Setting the flash level" on page 41.

Changing the diopter compensation lens Push in the diopter compensation lens selector and change the diopter compensation lens to (0). See "Changing the diopter compensation lens" on page 42.

49 BASIC OPERATIONS

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TOPCON

OCT Devices

3D OCT-1000 Mark II Instruction Manual ver Feb 2008