6858702149218908033

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The bottom three lines represent 20/30, 20/20 and 20/10. Letter size), but you'll see there's also an option to print as a4 or 8 x 10 in case you want to fit a different .

The bottom three lines represent 20/30, 20/20 and 20/10. This vision test can only be considered a screening test. So if, at 20 feet, you can read the letters on the row marked "40," this means you have visual acuity of 20/40 or better: