A decrease in peripheral vision as one ages is due to:

Question

Quizplus · Accepted Answer

As people age, their lenses become thicker and more opaque, causing a decrease in peripheral vision. This is a natural part of aging and is often referred to as age-related macular degeneration. Thinning of the lens (A) and loss of peripheral circulation (B) are not associated with a decrease in peripheral vision. Increased muscle tone (D) may affect vision in other ways, but it is not associated with decreased peripheral vision.

A Decrease in Peripheral Vision as One Ages Is Due