Question

what is astigmatism? ​

Answer 1

Answer:

A common imperfection in the eye's curvature.

With astigmatism, the front surface of the eye or the lens inside the eye is curved differently in one direction than the other.

Answer 2

Answer:

See here:-

Explanation:

A common imperfection in the eye's curvature.

With astigmatism, the front surface of the eye or the lens inside the eye is curved differently in one direction than the other.