Question

what is myopia . Which lens is used for this

Answer 1

Myopia is an eye refractive defect in which a person can see nearby objects but cannot see far objects.
It is said near sightedness.

It can be corrected by using a concave lens.

@TheBrokenGirl

Answer 2

Hope this helps you out...
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A condition in which close objects can be seen clearly but far objects wont.
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Concave
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Concave lens are used for this condition