Question

A person is unable to see both far as well as near objects. What is the defect he is suffering from? What could be the reason for this defect? What type of spectacles should be worn by him to correct his vision.​

Answer 1

Answer:

your answer is here !

Explanation:

The defect of eye in which a person is unable to see both far as well as near objects clearly is called presbyopia.

Causes of presbyopia:-

This defect of vision commonly occurs to old people because of the following reasons:

Weakening of the ciliary muscles

Reduction in the flexibility of the eye lens

Correction of presbyopia:

This type of defect can be corrected by using spectacles having bi-focal lenses in which upper part consists of a concave lens to correct myopia (shortsightedness) used for distant visions and the lower part consists of a convex lens to correct hypermetropia (longsightedness) sused for reading purposes.

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Answer 2

$\huge\underline\mathfrak\green{Solution}$

The person is suffering from presbyopia

When the person is not able to see near as well as far object clearly then the term is called presbyopia

How to correct it?

Use of contact lenses or correct eyeglasses.

How is it caused?

It is caused by a hardening of the lens of your eye.

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