Multiple choice

Which type of lens (of suitable focal length) is used to correct Astigmatism?

  1. Concave lenses

  2. Convex lenses

  3. Cylindrical lenses

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Astigmatism is caused by an irregular curvature of the cornea or lens. Cylindrical lenses are specifically designed to correct this by providing different refractive powers in different meridians.