A person who has 20/20 vision can read:
A)letters that are 1/20 of an inch high from a distance of 20 inches away.
B)20 letters in 20 seconds.
C)letters that are 0.20 inches high from a distance of 20 yards.
D)the smallest line of letters on the Snellen chart from a distance of 20 feet.

Question

Quizplus · Accepted Answer

20/20 vision means that the person can see the smallest line of letters on the Snellen chart from a distance of 20 feet. Option A refers to 20/200 vision, option B is not a standard measure of visual acuity, and option C refers to a distance of 20 yards instead of feet.

A Person Who Has 20/20 Vision Can Read