India is home to the world's largest number of blind people. Of the 36 million people across the globe who are blind, over 8 million are from India. What's worse, 75 per cent of these are cases of avoidable blindness if detected early. Nova Eyewear and NDTV have joined hands to generate awareness about taking care of eyes. Watch this special show featuring some of the people who have benefited from early detection of eye ailments.