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Epidemiology of cataract (Occurence of cataract in different groups)

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In India a nationwide survey was undertaken in 1999–2001 to document the magnitude and causes of blindness. The highest risk was among those aged 70 years and above and the illiterates. Cataract was responsible for 62.4% of bilateral blindness. Prevalence of cataract blindness was 5.3% (95% CI: 4.97–5.62). Reduction in blindness prevalence among people aged 50 years and above was observed compared to earlier studies.5

The biggest problem to developing countries in terms of human morbidity, economic loss, and social burden is due to pediatric cataract blindness.6 A review of pediatric cataract cases operated between January 2003 and March 2005 in some parts of central India it showed congenital cataracts were in 88 (17.5%) eyes. Traumatic cataracts were noted in 170 (33.9%) eyes. The proportion of cataract was higher in males than in females.2

Written by: healthplus24.com team

Date last updated: December 29, 2014