51
BASIC OPERATIONS
BASIC OPERATIONS
PREPARATION BEFORE MEASUREMENT
PATIENT POSITIONING
1 Check the Measurement screen.
2 Make sure that the Y-axis position on the screen is at the eye height mark.
If the Y-axis position is above the eye height mark, keep pressing the lower part of the control
panel display, and if it is below the center position, keep pressing the upper part of the control
panel display, to move the measurement head to a position where the Y-axis position comes
to the eye height mark.
3 Take off one sheet of chinrest tissue on the chinrest. If the tissue has run out, please supply
new chinrest tissues.
4 Wipe the dirt form forehead rest.
5 Have the patient sit in front of the instrument.
CAUTION
• Each time one patient is changed to another, replace the chinrest
tissue with a new one.
• To avoid electric shocks, do not touch the external connection
terminal and the patient at the same time.
• When operating the chinrest up/down button, be careful not to
pinch the patient's hand. The patient may be injured.
• To avoid injury when operating the instrument, be careful about
the cover not to catch the fingers of the patient. Tell this to the
patient, too.
NOTE
• Adjust the height of the adjustable instrument table so that the patient can
sit on the chair comfortably. Otherwise, correct measurement values may
not be obtained.
• Before starting measurement, explain the function so patients are not sur-
prised by the air puff.
• When operating the instrument, be careful that the instrument does not
touch the patient's eye or nose. If touched, clean the instrument following
“
CLEANING THE INTRAOCULAR PRESSURE MEASURING WINDOW
GLASS” on page 116.
• If no patient ID is registered, a “patient No.” is assigned automatically in
order of examination.
Y-axis position
Eye height mark
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