Scott uses the Snellen eye chart and discovers that his eyesight is 20/100. This means that:
A) he would have to be at 20 feet to read what someone with normal vision could read at 100 feet
B) he could stand as far back as 100 feet to read what someone with normal vision could read at 20 feet
C) the visual angle of the eye chart is 20°
D) his vision is equal to that of 1/5 of the population

Question

Quizplus · Accepted Answer

In the 20/100 measurement of visual acuity, the first number represents the distance at which the person is standing from the eye chart (20 feet in this case), while the second number represents the distance at which a person with normal vision can read the same line (100 feet in this case). So, Scott would have to stand 20 feet away from the chart to read what someone with normal vision could read at 100 feet.

Scott Uses the Snellen Eye Chart and Discovers That His