Asus VP299CL Series - Page 19

3-4
Chapter 3: General Instruction
• EyeCheck: The EyeCheck function contains three patterns: (1) Snellen
Chart(2)AmslerGrid(3)Astigmatism.
1. Snellen Chart
P1 P3
L11
L10
L9
L8
L7
P2
L6
L5
L4
L3
L2
L1
2. AmslerGrid
While focusing at the center point, check that all the lines are
straight.
3. Astigmatism
Check that each line is of the same width.