Question

Complete the following sentences :
(a) A short-sighted person cannot see .............. objects clearly. Short-sightedness can be corrected by using ............... lenses.
(b) A long-sighted person cannot see ............... objects clearly. Long-sightedness can be corrected by using .............. lenses.

Answer 1

(a) A short-sighted person cannot see distant objects clearly. Short-sightedness can be corrected by using concave lenses.
(b) A long-sighted person cannot see nearby objects clearly. Long-sightedness can be corrected by using convex lenses.