Social & Preventive Medicine General d993e760 Definition of Blindness when visual acuity is less than ___________ in better eye according to NPCB and WHO respectively A < 3/60 and < 6/18 B < 6/18 and < 3/60 C < 3/60 and < 3/60 D < 6/18 and < 6/18 High-Yield Explanation No explanation provided.