Question

(a) What is hypermetropia?
(b) What are the causes of hypermetropia?
(c) Name the lens used to correct hypermetropia?

Answer 1

(a) Hypermetropia or far-sightedness is a defect where light rays are focused behind the retina. In this defect, a person is not able to see the nearby object but the farther objects are clearly visible to him.

(b) Hypermetropia is caused due to the eyeball becomes too small or the focal length of the eye lens becomes too large.

(c) Hypermetropia is corrected by a converging lens or convex lens.