Cataract Blindness Prevalence

Csc was 41 5 in cataract blind eyes and 48 6 in cataract blind people.

Cataract blindness prevalence.

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. Cataract was the leading cause of blindness 79 4. Figure 1 below shows the estimated prevalence rate for cataract from the seven studies reviewed in this section. Aao outlines the breakdown of legal blindness associated with eye disorders and diseases according to ethnic group.

Blindness was more prevalent in the older age group and in women. Cataract prevalence and magnitude. 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. Sample size was calculated on the basis of estimating a blindness prevalence of 8 with an error bound precision of 15 with 95 confidence.

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 high degree of variation among the results in this figure is likely due to in part to methodological disease definition and population differences among the studies. Prevalence rates ranged from 2 8 in proyecto ver to 29 5 in ucla mec.