Q. A person suffering from ‘presbyopia’ (myopia and hyper metropia both defects) should use
A) A concave lens
B) A convex lens
C) A bifocal lens whose lower portion is convex
D) A bifocal lens whose upper portion is convex
Explanation
(c) A bifocal lens consist of both convex and concave lenses with lower part is convex
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.