Question

How Presbyopia defect of vision can be corrected by which lens ???

Answer 1

Answer:

Presbyopia is the defect of eye in which the person neither can see distant objects nor nearby objects. This defect is corrected by using bifocal lens.

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Answer 2

Answer:

Explanation:

•presbyopia is a eye defect

•This is corrected by using bi-focal lens.

•In this case , a person cannot see near and far objects clearly.

•On upper part convex lens is fixed and on down side , concave lens is fixed.

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