Science, asked by SmileQueen, 1 year ago

define presbyopia...

ash0223: hi

ash0223: here also you are disturbing me if you are not talking to me

Answers

Answered by harish4747

long-sightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.

harish4747: leave arguing it's disturbing me

ash0223: i am telling you what is given in my book

ash0223: i am not disturbing you

harish4747: what it's given in book either your or my book is wrong.

harish4747: bye man

ash0223: i have ncert book so it not wrong it may be your book is wrong

ash0223: bye

ash0223: good night

harish4747: I think long sightdeness and what you are saying is same good night

ash0223: no

Answered by ash0223

it is a defect in which we are not able to see the things which are kept far away from us and the things which are kept near by us For correction we use bi focal lens which contains both concave and convex lens

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