Which of the following is a reason for the reduction in light received by the retina during middle adulthood?
A) an increase in the size of the iris
B) an increase in blood supply to the eye
C) reduced size of the pupil
D) reduced opacity of the lens

Question

Quizplus · Accepted Answer

As people age, the muscles that control the size of the pupil weaken, causing the pupil to become smaller and reducing the amount of light that enters the eye. This reduction in size is one of the reasons for the reduction in light received by the retina during middle adulthood.

Which of the Following Is a Reason for the Reduction