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- W1521997410 abstract "To facilitate the design of a comprehensive eye care program in Indias West Godavari district (Andhra Pradesh State) household screening for visual impairment (VI) was conducted in a semi-urban town with a population of 23925 and in 61 rural villages with a combined population of 282870. When a household respondent reported that a member had a VI or other eye-related problems a referral was made to the base hospital for detailed dilated ocular evaluation by an ophthalmologist. Of the 113514 children under 16 years of age covered in the screening 636 were referred of which 580 underwent ophthalmologic examination. 74 children were found to be blind (best corrected distance visual acuity worse than 20/400 in the better eye) for a prevalence of 6.5/10000 children. The leading causes of childhood blindness in this series were microphthalmos (22.2%) retinitis pigmentosa (16.7%) optic atrophy (16.7%) and cataracts (11.1%). Vitamin A deficiency accounted for only 5.5% of the cases of blindness presumably because of the good agricultural economy in southern India. If the findings of this study are extrapolated to all 400 million children in India 260000 of them may be blind. Assuming that blind children have a life expectancy 15 years lower than the national average (63 years) and a mean age of 5 years at the onset of blindness 11.2 million blind-person-years result from childhood blindness. Because the strategies adopted to deal with childhood blindness vary by its magnitude and cause similar studies in other parts of India and the developing world preferably linked with broader population-based surveys are recommended." @default.
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- W1521997410 date "1998-04-01" @default.
- W1521997410 modified "2023-10-03" @default.
- W1521997410 title "Optic disc size and iris color." @default.
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