Question

Give the technical term for an eye defect in which the cornea becomes uneven.

Answer 1

Astigmatism:

1. This defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus is called Astigmatism.
2. Astigmatism is caused by an irregularly shaped cornea or distorted lens.