Concave lens is used in case of _______.

presbyopia

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astigmatism

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myopia

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hypermetropia

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Solution

The correct option is C myopia
A person with myopia can see nearby objects clearly but cannot see distant objects clearly.

It's caused by elongation and excessive curvature of the eyeball and can be corrected by using spectacles with a concave lens.

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State whether the following statement is True or False.

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Q. Which defect of vision can be rectified :
(a) by using a concave lens ?
(b) by using a convex lens ?

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Concave lens is used in case of _______.

The correct option is C myopiaA person with myopia can see nearby objects clearly but cannot see distant objects clearly. It's caused by elongation and excessive curvature of the eyeball and can be corrected by using spectacles with a concave lens.

The correct option is C myopia
A person with myopia can see nearby objects clearly but cannot see distant objects clearly.

It's caused by elongation and excessive curvature of the eyeball and can be corrected by using spectacles with a concave lens.