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Wave Optics

Question
CBSEENPH12038231

What is presbyopia? How can it be corrected? 

Solution

Presbyopia is a progressive form of far-sightedness that affects most people with ageing. The power of accomodation of the eye decreases. 
Presbyopia arises due to the gradual weakening of the ciliary muscles and diminishing flexibility of the crystalline lens. 
Simple reading eyeglasses with convex lenses correct most cases of presbyopia.

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