Prevent blindness from glaucoma.
D000328:Adult; D000368:Aged; D001766:Blindness / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D005901:Glaucoma / Q000150:complications* / Q000453:epidemiology; D006801:Humans; D007194:India; D008875:Middle Aged