India changes definition of blindness, opts for WHO criteria
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India has changed its over four-decade-old definition of blindness, bringing it in line with the WHO criteria. This will drastically bring down the number of blind people in the country from 1.20 crore to 80 lakh.

According to the new definition, 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 aim of revising the definition is also to be able to generate data which can be compared with global estimates and achieve the WHO goal of reducing the blindness prevalence of India to 0.3 per cent of the total population by 2020.

http://timesofindia.indiatimes.com/india/india-changes-definition-of-blindness-opts-for-who-criteria/articleshow/58262184.cms
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