Question

what are the causes of myopia​

Answer 1

Answer:

Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on its surface.

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Answer 2

Answer:

two causes

Explanation:

abnormal curving of lens

or

lengthening of eyeball