Question

traditional eye tests in which a person is shown a chart with a set of letters in a line that gets progressively smaller near the bottom of the chart are designed to directly assess
a. depth perception
b. color blindness
c. visual acuity
d. field of vision

Explanation:

Traditional eye - tests with letter - charts measure how well a person can see details at various distances, which is visual acuity. Depth perception is about judging distances, color blindness about color - perception, and field of vision about the extent of what can be seen without moving the eyes.

Answer:

C. visual acuity