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3.4.2 Operation Check
The test piece included in the accessory box is
supplied for checking the operation of the instru-
ment. The measurement result varies, depending
on room temperature and other factors. The in-
strument cannot test its accuracy by measuring
this test piece.
1) Go to Pachy screen
2) Place the test piece into water until it covers
over the piece. Apply the Probe into either of
the dents on the piece perpendicularly, so the
instrument will start measurement automati-
cally.
3.4.3 Measurement Preparation for Patient
Patients' cooperation is necessary for smooth op-
eration.
Prior to measurement, explain about the purpose
of examination and measuring procedures to the
Patient so as not to give fears, but to relax in a
good mood.
1) Review the settings and calibrate the Probe or
check the instrument, if necessary.
2) Give eye-drops anesthesia to the eye to be mea-
sured. The patient should be seated with the
Back Rest or should lie on a bed.
3) If the eye seems to be dry or has little tears,
apply balanced salt solution to avoid dry sur-
face of cornea.
3.4 Preparation for measurement
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