Cataract was the leading cause of blindness 79 4.
Cataract blindness prevalence.
Prevalence rates ranged from 2 8 in proyecto ver to 29 5 in ucla mec.
The pooled prevalence rate of cataract blindness including post surgical cases by best corrected visual acuity bcva 0 05 among middle aged and older chinese was 2 30 95 ci 1 72 3 07 and.
The prevalence of cataract blindness was higher in punjab province in rural areas and among illiterate participants.
Good visual outcome in the cataract operated eyes was 62 presenting and 75 2 best corrected.
Cataract prevalence and magnitude.
Cataracts cause legal blindness in 10 3 percent of non hispanic whites 25 percent of african americans and 7 9 percent of hispanics who are legally blind.
Aao outlines the breakdown of legal blindness associated with eye disorders and diseases according to ethnic group.
Csc was 41 5 in cataract blind eyes and 48 6 in cataract blind people.
A total of 289 participants were blind with cataract as the cause crude prevalence 1 75 95 ci 1 55 to 1 96 table 1 1.
Assuming an examination response rate of 85 and a design effect of 2 0 to account for the cluster sampling design a sample size of 4514 persons 50 years of age is required.
Blindness was more prevalent in the older age group and in women.