Prevention of blindness.
Reddy
P S
PS
D001766:Blindness / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D007194:India; D009313:National Health Programs / Q000458:organization & administration*; D009885:Ophthalmology / Q000193:education; D015995:Prevalence