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.