A student has difficulty in reading the blackboard while sitting in the last row. From the given options, choose the defect child is suffering from and its correction measures :

Defect: Myopia

Correction: Concave lens of suitable focal length

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Defect: Hypermetropia

Correction: Convex lens of suitable focal length

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Defect: Myopia

Correction: Medicines

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Defect: Hypermetropia

Correction: Medicines

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Solution

The correct option is A Defect: Myopia
Correction: Concave lens of suitable focal length

$A n s w e r : -$ Myopia or Short sightedness
It can be corrected using a concave lens since due to myopia light entering the eye converges before retina so by using diverging lens (concave ) rays are converged onto retina.

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