0 votes
in Physics by (54.6k points)

An old person is unable to see clearly nearby object as well as distant objects : 

(i) What defect of vision is he suffering from ? 

(ii) What kind of lens will be required to see clearly the nearby as well as distant objects ? Give reason.

1 Answer

+1 vote
by (77.9k points)
selected by
Best answer

(i) Presbyopia.

(ii) He shall have to use both kinds of lenses. Convex lens for long sightedness and a concave lens for short-sightedness.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.