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 condition in which the curvature of the lens or cornea is uneven, causing some parts of an image to be in focus and other parts to be blurred, resulting in distorted vision. Presbyopia, hyperopia, and myopia are all conditions that affect the ability to focus on objects at varying distances, but they do not involve a curvature defect of the lens or cornea.

A Curvature Defect of the Lens or Cornea in Which