Topcon COMPUTERIZED TONOMETER Multi-tool User Manual


 
6
Holding the alignment dot within the inner alignment mark, slightly push the machine
body toward the patient.
When the machine body approaches the target eye, the alignment bar and the
“FORWARD” display appear on the monitor screen.
7
Move the machine body back and forth, with the alignment bar as a reference, while
holding the alignment dot within the inner alignment mark.
When the alignment is adjusted, the shape of the inner alignment mark changes to a
.
8
After the alignment is adjusted, press
MEASUREMENT SWITCH
.
Air is ejected for measurement, and the measurement value is displayed.
40
BASIC OPERATIONS
At this moment, be careful not to catch eyelashes and eyelids within the outer align-
ment mark so as to ensure correct measurements.
See descriptions about the alignment bar, “FORWARD” and “TOO CLOSE” on page
36.
Alignment bar
Alignment is not adjusted
Alignment is adjusted
MEMO
If the shape of the inner alignment mark does not change to a
even after correctly adjusting the alignment, check again to see if
the alignment is adjusted correctly. Sometimes the shape of the
inner alignment mark does not change to a if the condition of
the cornea is unfavorable.
In Manual mode, measurement is done by pressing
MEASUREMENT SWITCH
even if the
alignment is not adjusted correctly. To ensure high-precision measurements, make
sure the alignment is adjusted correctly.