Question

A person can see the objects placed at a distance of 30 cm clearly but cannot see the objects placed 30 m away. What type of defect of vision he has? How is this defect of vision corrected?

Answer 1

Answer:

myopia

Explanation:

because in the case of myopia people will not be able to see the object placed in a far distance

Answer 2

This defect is called myopia. This is corrected with concave lens.

Explanation:

• From question, the person can clearly see a closer object but not the farer object. Thus, it is also called as near-sightedness.
• This defect arises when the image does not correctly fall on the retina.
• The image may not fall on retina because of elongation of eye ball or excessive curvature of lens.