Question

Explain the nearsighness?​

Answer 1

Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on its surface. Myopia typically begins in childhood and you may have a higher risk if your parents are nearsighted.

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Answer 2

nearsightness causes myopia which is caused due

1. excessive curvature of the cornea

2. elongation of the eyeball

it is correct by wearing concave lense of proper focal length