Survey of low vision among students attending schools for the blind in Nigeria: a descriptive and interventional study.

Purpose: The aim of this study is to determine the prevalence of low vision among students attending all the schools for the blind in Oyo State, Nigeria. The study set out to determine the proportion of students with low vision/severe visual impairment after best correction, to determine the causes of the low vision, to document the associated pathologies, to determine the types of treatment and visual aid devices required, and to provide the visual aids needed to the students in the schools.

Materials And Methods: All schools students for the blind in Oyo State were evaluated between August 2007 and January 2008.