Answers

2016-02-13T09:58:31+05:30
Mayopia is shortsightedness .
causes
    esessive curvature of eyelens
    elogation of eyeball
this can be corrected using a cocave lens
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2016-02-13T10:48:13+05:30
It is a defect of vision in which eye cannot see distant objects clearly.

two cause
1.excessive curvature of eye lens.
2.elongation of eye ball.
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