25
time, indicator lamp lights up to lead examinee’s eye.
After finishing the measurement, value and direction of each periphery are
displayed on the screen.
Direction of periphery
- Superior(SUP) : upside from the center of cornea
- Inferior(INT) : bottom side from the center of cornea
- Nasal(NAS) : From the center of cornea to the nose of examinee.
- Temple(TEM) : From the center of cornea to the temple of examinee
Measurement is performed as below sequence
SUP
INF
TEM
NAS
①
After measuring center of cornea, periphery indication mark blink according
to above sequence.
②
Check the location and instruct the examinee to see indication lamp. And
then focus the mire ring (Refer to the section
6-5
‘2’
Position and Focusing’).
③
After focusing well, press the Measure Button to perform peripheral
Keratometry.
<SUP> <INF>
<TEM> <NAS>
