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What is myopia? list 2 causes for the development of this defect? how can this defect be corrected using a lens? draw ray diagrams to show the image

formation in case of 1. defective eye 2. corrected eye


Mayopia is shortsightedness .
    esessive curvature of eyelens
    elogation of eyeball
this can be corrected using a cocave lens
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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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