Anuja cannot see the blackboard writing but she can see nearby things.
(a) What is the eye defect she is suffering from?
(b) State the possible reason for her defect.
(c) How is it corrected?
Ans. (a) Anuja is suffering from a defect of vision called myopia (Near sightedness)
(b) The possible reason for her defect is the distance between eye lens and retina increases as the eyeball is lengthened or lens is curved.
(c) It is corrected using spectacles having concave lenses of appropriate power.
(2) Anuja’s father cannot see nearby object clearly.
(a) What is the eye defect he is suffering from?
(b) How is it corrected?
Ans. (a) Anuja’s father is suffering from a defect of vision known as presbyopia.
(b) It can be corrected by using spectacles having convex lenses of appropriate power.
