Lens is used to correct the defect of vision termed as presbyopia.

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Convex

Concave

Bifocal

Contact

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept-
Lens used in the eyes when a defect happened in our eyes called presbyopia. There are three types of vision defect in our eyes:-
1- Myopia: In this defect, a person cannot able to see a larger distance object clearly and to Remove this defect concave lens are used 2- Hypermetropia : In this defect , a person cannot able to see a nearer distance object clearly and to remove this defect convex lens are used
3- Presbyopia: This type of defect commonly found in old - aged people .In this defect the person is not able to see both a nearer and larger distance clearly so to remove this defect we used bifocal lens which is a mixture of both concave and convex lens.
Hence, the correct answer is option 3.

Watch 3-min video & get full concept clarity