Table of Contents
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1.5.3
EyeCheck Function
The EyeCheck function contains three patterns: (1) Snellen Chart
(2) Amslter Grid (3) Astigmatism.
1.
Snellen Chart
P1
L0.1
L0.2
•
2.
Amslter Grid
While focusing at the center point, to check all lines should be straight.
3.
Astigmatism
To check each line should be the same width.
1-6
L0.3
L0.4
L0.5
L0.6
To switch between P1~P3,
P2
L0.7
L0.8
L0.9
L1.0
L1.2
move the
5-way button down
P3
.
Chapter 1: Product Introduction
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