Cataract prevalence and magnitude.
Cataract blindness prevalence.
Sample size was calculated on the basis of estimating a blindness prevalence of 8 with an error bound precision of 15 with 95 confidence.
Aao outlines the breakdown of legal blindness associated with eye disorders and diseases according to ethnic group.
Cataract was the leading cause of blindness 79 4.
Blindness was more prevalent in the older age group and in women.
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.
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.
Prevalence rates ranged from 2 8 in proyecto ver to 29 5 in ucla mec.
Figure 1 below shows the estimated prevalence rate for cataract from the seven studies reviewed in this section.
Good visual outcome in the cataract operated eyes was 62 presenting and 75 2 best corrected.
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.
The prevalence of cataract blindness was higher in punjab province in rural areas and among illiterate participants.