A curvature defect of the lens or cornea in which some parts of an image are in focus on the retina and other parts are blurred and vision is distorted is called
A)presbyopia.
B)astigmatism.
C)hyperopia.
D)myopia.

Question

Quizplus · Accepted Answer

Astigmatism is a curvature defect of the lens or cornea that causes different parts of an image to be in focus on the retina, leading to blurred vision and distortion. Presbyopia is a condition of aging that affects the ability of the eyes to focus on nearby objects, hyperopia is farsightedness, and myopia is nearsightedness.

A Curvature Defect of the Lens or Cornea in Which