Name: Tomey AL-4000
Brand: Tomey
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2-12

(6) “Sel (select)” button

Selects the data at the cursor position to be used for calculating the IOL. “*” is assigned to

the selected data.



How to Read this Manual7
Outline7
Symbols Used in this Manual8
Table of Contents9
Prior to Use13
Precautions for Operation13
Glossary18
Checking Package Contents20
Overview21
Names and Functions23
Front of the Main Unit23
Back of the Main Unit25
Sides of the Main Unit26
Top of the Main Unit27
Bottom of the Main Unit28
Screen29
Basic Structure and Common Items29
Axial Length Measurement (Biometry)31
Corneal Thickness Measurement37
Diagnosis in Mode a39
Auto Power off Function42
Operation Procedures43
Safety Precautions43
Precautions for Installing the Instrument44
Precautions for Connecting the Power45
Preparation before Use46
Connections46
Wireless Connection with UD-8000 and IOL Calculation Unit54
Turning the Power on and Adjustment after Turning the Power on58
Switching Modes60
Setting Measurement Conditions61
Entering the Patient Data61
Clear All Measurement Data (Preparation for Measuring a New Patient)64
Selecting the Eye to be Measured65
Axial Length Measurement Function66
Connecting the Biometry Probe66
Setting Axial Length Calculation Method and Converted Acoustic Velocity for Eye to be Measured66
Contact/Immersion Mode Settings71
Operation Check71
Preparation for Measurement71
Precautions for Measurement72
Measurement82
Checking Waveforms after Measurement87
IOL Power Calculation95
Calculation95
Setting Calculation Conditions95
Entering Calculation Parameters95
Setting Calculation Formula101
Saving Measurement Data102
Pachymetry Function103
Connecting the Pachymetry Probe103
Setting the Data Type to be Displayed103
Setting How to Display the Converted Acoustic Velocity and Bias Value103
Setting the Measurement Mode/Range and Data Display105
Operation Check107
Preparation for Measurement107
Measurement108
Checking the Measurement Data115
Saving the Measurement Data118
A-Scan Diagnosis119
Connecting the Probe119
Switching to the A-Scan Diagnosis119
Gain Setting121
Setting Analysis Method122
Measurement123
Various Functions in FREEZE Mode124
Various Functions in Real Time Mode127
Analysis Function128
Utilities132
Buttons and Icons on the Screen133
Operations for each Setting137
Technical Information153
IOL Power Calculation Formula153
SRK-II Formula153
SRK/T Formula154
HOLLADAY Formula156
Hoffer Q Formula158
HAIGIS Standard Formula159
How to Calculate Axial Length Using the Axial Length Measurement Function161
Phakic Eye161
Dense Cataract Eye161
Aphakic Eye161
IOL Eye162
Amplifier Characteristics of the A-Scan Diagnosis163
Checking the Software Version163
Ultrasound Wave Output164
MI (Mechanical Index)164
TIS (Thermal Index of Soft Tissue)164
Inspection and Maintenance165
Warranty165
Durable Years166
Inspection166
Routine Maintenance166
Maintenance of Measurement Probes167
Cleaning and Disinfection of Measurement Probes (for Europe)170
Maintenance of Main Unit172
Replacing Consumables173
Storing173
Disposal174
Troubleshooting175
Spare Parts and Optional Parts189
Spare Parts189
Optional Parts189
Specifications191
Biometry/Iol Power Calculations191
Function of Pachymetry192
A-Scan Diagnosis193
Main Unit193
AC Adapter193
Battery193
Energy and Other Consumption194
Influences of Ultrasound Energy on the Human Body194
Ultrasound Energy195
Noise200
Environment Conditions200
Classification Ofme Equipment201
Declaration of Conformity to EMC202
Index207

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Tomey AL-4000 Specifications

General

Brand	Tomey
Model	AL-4000
Category	Measuring Instruments
Language	English

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Table of Contents

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