Under the National Programme for Control of Blindness, the goal is to reduce the prevalence of blindness to a level of -: (A) 0.10%, (B) 0.31%, (C) 0.50%, (D) 1%
Answer is B. To reduce prevalence of blindness in population from 1.38% to 0.31% by 2000. Ref- Park&;s textbook of Preventive and social medicine 24th edition. .