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What is the lens of Presbyopia and Astingmatism ?

+3 votes

asked Mar 30, 2019 in Class 12 by kratos

What is the lens of Presbyopia and Astingmatism ?

optics
the human eye and the colourful world
class-10
class-12

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1 Answer

+3 votes

answered Aug 11, 2020 by kratos

Best answer

Case of Presbyopia—It arises due to the gradual weakening of the ciliary muscles and diminishing flexibility of the eye lens.

Case of Astingmatism—It arises due to the irregularities in the surface of Cornea.

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