Question

what is miyopia and causes of it?
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Answer 1

Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. ... Nearsightedness can also be caused by the cornea and/or lens being too curved for the length of the eyeball.

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Answer 2

It is an eye defect also called as short sightedness. Person suffering from it cannot see faraway objects clearly. It is caused by weakening of ciliary muscles, by elongation of eyeball