Physics, asked by dudeisback56, 18 days ago

explain what is presbyopia? How will it be rectified?

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Answered by llshawnxkookiell

3

Answer:

This defect is usually corrected by using glasses with bifocal power of suitable focal lengths. The upper part of the lens is a concave lens corrects myopia to see the distant objects clearly while the lower part of the lens has a convex lens corrects the hypermetropia to see the nearby objects clearly.

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