in the present study prevalences of the fourmain blinding eye lesions in persons aged 30 years or more were sclerosing keratitis ( 3.7 % ) , iritis ( 8.7 % ) , optic atrophy ( 14.2 % ) and choroidoretinitis ( 11.3 % ) , and the prevalence of blindness was 4.2 % ( both eyes ) and 2.0 % ( one eye ) .
C0022081
iritis
C0015392
eye