Refractive errors among students of a postprimary institution in a rural community in south-eastern Nigeria.
OBJECTIVE: To determine the prevalence and types of refractive errors seen among students of Girls' Secondary School, Akegbe Ugwu in Nkanu West Local Government area of Enugu State, Nigeria. METHODS: A questionnaire documented the students' personal data, their chief complaints and past ocular history. This was followed by unaided visual acuity assessment then assessment with pinhole, anterior segment examination, fundoscopy, non-cycloplegic objective and subjective refraction in those found to have an unaided visual acuity of less than 6/9 in either eye and improved vision with pinhole. RESULTS: A total of 355 students aged 12 -21 years was tested. Out of these, 9 (2.53%) had uncorrected vision worse than 6/9 in either or both eyes. Uncorrected refractive error accounted for the reduced vision in 7 cases 5 of which were myopia. CONCLUSION: There is a prevalence of refractive error of 1.97 % among students of this rural girls' secondary school in South-Eastern Nigeria. The low prevalence of myopia (1.4%) found agrees with the report that, though the most common refractive cause of visual impairment globally, it is relatively rarer in Africans.[1]References
- Refractive errors among students of a postprimary institution in a rural community in south-eastern Nigeria. Chuka-Okosa, C.M. West African journal of medicine. (2005) [Pubmed]
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