Question

Which eye defect can be corrected by placing a concave lens of required strength?

Answer 1

Myopia:

The eye defect that can be corrected by placing a concave lens of required strength is called myopia. It is commonly called near or short-sightedness.

Myopia eye defect:

1. Myopia is a condition in which the optical resemblance comes to a focus in front of the retina in the eye, so it develops not functioning eyesight of far-away objects.
2. Instead of forming the rays on the retina the far-away object rays are formed in front of the retina.
3. So, the divergent lenses are used to correct the rays to form on the retina.