Question

Name major defects of the human eye. How are these defects overcome?​

Answer 1

Answer:

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Answer 2

Answer:

1) Hypermetropia

2) Myopia

3) Cataract

Explanation:

1) Hypermetropia: this defect of eye can be corrected by convex lens.

2) Myopia : this defect of eye can be corrected by concave lens.

3) Cataract ( when people grow old, the eye lens become hazy and even opaque. This happens because of the development of a membrane over it. ) : this is done by the replacement of the opaque lens with the new artificial lens.