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. 2021 Jun 16;17(1):119–126. doi: 10.22599/bioj.179

Table 3.

Screen size ‘at home’ requirements for remote crowded VA testing.


SCREEN SIZE MAXIMUM CROWDED logMAR VA THAT CAN BE TESTED AT 3m EXAMPLE DEVICE

24” 1.40 Desktop screen

15” 1.10 Laptop

10” 0.9 Tablet

6” 0.4 Smartphone