Question

Complete the following sentence :

(I). A short-sighted person cannot see ............... object clearly. Short-sightedness can be correct by using ........... lenses.

(II). A long-sighted person cannot see .............. object clearly. Long-sightedness can be corrected by using ............ lenses.

Answer 1

(a) A short-sighted person cannot see close objects clearly. Short-sightedness can be corrected by using the concave lens in front of the eyes.

(b) A long-sighted person cannot see far objects clearly. Long - sightedness can be corrected by using a convex lens.