Asus VY279 Series - Page 18

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Chapter 2: Setup
• EyeCheck: The EyeCheck function contains three patterns: (1) Snellen
Chart (2) Amsler Grid (3)Astigmatism.
1. Snellen Chart
P1 P2 P3
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.