1-8
Chapter 1: Product Introduction
1.5.3
EyeCheck Function
The EyeCheck function contains three patterns:
•
Snellen Chart: Select one of the three available eye charts to measure
visual acuity.
L0.1
L0.2
L0.4
L0.5
L0.6
L0.3
L0.9
L1.0
L1.2
L0.8
L0.7
•
Use the
or
button to toggle the selection.
•
Amslter Grid: To check all lines should be straight while focusing at the
center point.
•
Astigmatism: To check each line should be the same width.
3
9
2
12
4
8
1
11
5
9
12
6
