If an adult develops cataracts that cloud the lenses of the eyes,his or her
A) absolute threshold for light is likely to increase.
B) difference threshold for light is likely to decrease.
C) absolute threshold for light is likely to decrease.
D) difference threshold for light is likely to remain unchanged.

Question

Quizplus · Accepted Answer

Cataracts cloud the lenses of the eyes, making it harder to detect light. This means the minimum intensity of light one can perceive, or the absolute threshold for light, is likely to increase, as more light is needed for the person to detect it.

If an Adult Develops Cataracts That Cloud the Lenses of the Eyes,his