Question

A person is unable to see object distinct placed within 50 cm from his eyes . Name the defect of vision the person is suffering from and list its two possible causes

Answer 1

The defect of vision is Myopia.

And the two possible causes of this are:

1)Excessive curvature of cornea

2)Elongation of eye ball

Answer 2

Answer:

The condition is known as hypermetropia. It is a condition in which the person is not able to see nearby objects clearly. They find difficulty while reading and doing other such activities.

Possible causes for the condition can be decrease in the length of the eyeball, and increase in the focal length of the eye ball. Usually, a convex lens is used to correct this defect.

Explanation: