World Sight Day: Over 25% Indians Aged 50 And Above Have Visual Impairment, 1.99% Of These Have Blindness, Say Experts

A study conducted based on a 2015-2019 survey found that the prevalence of blindness in people aged 50 years and above in India was 1.99 per cent, and that of visual impairment was 26.88 per cent. 

World Sight Day: Blindness is a condition in which presenting visual acuity is less than 3/60 in the better eye (the eye with less disease or better vision), and visual impairment is a condition in which presenting visual acuity is less than 6/12 in the better eye. ( Image Source :Getty )

World Sight Day 2023: In India, avoidable blindness is a significant public health problem. At least 2.2 billion people worldwide have a vision impairment. At least one billion of these 2.2 billion people have a vision impairment that could have been prevented or is yet to be addressed. Based on the 2015 to 2019 nationally representative 'Rapid Assessment of Avoidable Blindness' (RAAB) survey conducted in India, a group of researchers conducted a study that was published in the journal PLoS One