Question

(38) Give the information about Myopia defect. Give th
reason for causing of this defect. Its method of correction
and mention. (Chp.11)​

Answer 1

Answer:

Myopia or short-sightedness can be corrected by wearing spectacles containing concave lens. This is because when a concave lens of suitable power is used for the myopic eye then the concave lens first diverge the parallel rays of light coming from distant object.

Answer 2

Explanation:

it is also called as near sightedness

a person suffering from MYOPIA can see

near objects but not far objects

REASON FOR THE CAUSE

• elongation of the eyeball

excessive curvature of the eye lens

by using concave lens this defect can be corrected