Tomey UD-600, Operator'S Manual

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f) Selection of the contact mode/the immersion mode
See "3.11.3 1) Selection of the contact mode/immersion mode".
3.6.4 Confirmation of operation
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Neither of measuring nor calibrating of this instrument
can be given with this test piece.
The operational confirmation of this instrument is given with the test
piece supplied for axial length measurement.
1) Set the type of the eye to be measured at "Aphakic".
2) Wet the surface of the test piece with water and next apply
the biometry probe to the test piece at a right angle, so mea-
surement will start.
3.6.5 Preparation for measurement
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Patient's cooperation is necessary for smooth measure-
ment. Prior to measurement, explain the measurement
method and have him sufficiently relax himself.
1) Confirm the measuring conditions which have been set, and
check the operation as needs.
2) Give ophthalmic anesthesia solution to the eye to be exam-
ined. In case of the examination using the chin rest, adjust
the chair, optical table, and the chin rest. In case of using
the hand holding examination, have the patient be seated in
the chair or have him lie on his back.
3) If the measurement using the chin rest requires to help guide
the other eye, install the fixed lamp onto the chin rest just
in front the other eye.
3.6 Biometry