
3-101
b) How to use the slider when taking measurement by using the chin rest
1) Install the biometry probe to the instrument.
Use a sufficient length of the probe cord, or the cor-
nea may otherwise be subjected to undue pressure by
measurement. (See "3.2.3 Connecting of the Chin
Rest, AL-1100.")
2) Press the probe against the cornea until the slider ap-
proximately aligns to the slider moving face
A
and
the fixed part
B
while measurement, as shown in the
figures. If the probe applying pressure is too weak,
the axial length may be measured a little longer than
its actual length due to the corneal protective media
and tears. Care shall, however, be taken not to apply
too excessive a pressure to the cornea with the probe.
A
B
3.6 Biometry
Summary of Contents for UD-600
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