Physics, asked by bittu9987, 1 year ago

What is presbyopia write two causes of this defect name the type of lens which can be used in this?

Answers

Answered by mathschamp12
0
1,presbyopia is caused due to the stiffening of ciliary muscle which results in loosening the flexibility of eyelens and this leads to decrease in power of accommodation .

2, presbyopia also cause due to hardening of eye lens which occurs due to aging in human beings.

it can be cured by using bifocal eyeglasses.
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