A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using lens of power
A. +0.5 D
B. -0.5 D
C. +0.2 D
D. -0.2 D
Answer:B
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using lens of power
A. +0.5 D B. -0.5 D C. +0.2 D D. -0.2 D