Question

Mention the common defects of vision of the human eye . How it can be corrected ?

Answer 1

Hyperopia: (farsightedness) This is adefect of vision in which there isdifficulty with near vision but far objects can be seen easily. The imageis focused behind the retina rather than upon it. ... Hyperopia can be corrected by wearing glasses/contacts that contain convex lenses.

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Answer 2

hey..

The common defects of vision of human eye are :-

1. Myopia bi-concave lens should be used
2. Hypermetropia bi-convex lens
3. Presbyopia bi-focal lens (combination of one concave and one convex lens)