Blindness: India
From Indpaedia

Source: Census of India 2011, National Programme for Control of Blindness, National Health Profile of India; Graphic courtesy: India Today
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Definition
2017: WHO criteria adopted
Fresh definition reduces number of blind by 40L, April 20, 2017: The Times of India
India has come up with a new definition of blindness, in line with WHO criteria, a step that would drastically bring down the number of people considered “blind“. The new definition says a person who is unable to count fingers from a distance of three metres would be considered “blind“, as against the earlier stipulation of six metres. The change will bring down the number of blind people from 1.20 crore to 80 lakh.