Causes and prevalence of blindness in th
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J. S. Stilma; S. Bridger
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Article
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1983
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Springer-Verlag
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English
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The causes of blindness in Sierra Leone were studied in 7286 new patients attending the eye clinic in the year 1981. Blindness, defined as an inability to count fingers at 3 meters with the better eye (WHO, 1973), was present in 762 persons, due to cataract (39%), ocular onchocerciasis (30%), primar