A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

Q. A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

A.            +0.5 D

B.            ─0.5 D

C.            +0.2 D

D.            ─0.2 D

Answer: ─0.5 D