A visual defect known as astigmatism is the result of
A)an eyeball that is too short.
B)an eyeball that is too long.
C)an abnormal distribution of visual receptors in the retina.
D)a misshapen cornea or lens.

Question

Quizplus · Accepted Answer

Astigmatism is a visual defect caused by a misshapen cornea or lens that leads to blurred or distorted vision. This occurs because the cornea or lens is not uniformly curved, causing light to be focused unevenly on the retina.

A Visual Defect Known as Astigmatism Is the Result of