5.
Keep both eyes open. Covering the eye not being tested may help
you see the rings more clearly.
6.
Shorten the supports by rotating them clockwise two clicks at a
time until you only see a symmetrical green ring. The tonometer is
now at the correct distance from your eye.
START
8.5
Measure your eye pressure
1.
Start the measurement when you see only a symmetrical green ring.
Press the Measure button
eye.
START
2.
A single beep indicates a successful measurement. Continue taking
measurements, until you hear a long beep and the light in the probe
base turns off.
20
5 mm (0.2 inches)
1x
once. The probe gently touches your