MOPTIM iREF Guía De Operación página 5

EN
2. Evaluate Astigmatism
1
Set the device to +6.00D
by rotating the dial.
3
A
Observe the radial lines during this process.
4
If all lines are equally blurry or sharp like example A:
no or little astigmatism, <1.00D;
If you can see some thicker lines similar to example B:
astigmatism, ≥1.00D.
Repeat the process for the other eye.
Rotate the dial slowly until the end.
Can you see some lines
are thicker than others?
2
Look through eyepiece, cover
the other eye by the occluder
and keep both eyes open.
B
4