Abstract BACKGROUND: Efforts to mitigate vision loss due to uncorrected refractive errors (UREs) in Africa remain unpredictable. This study investigated the prevalence and socio-demographic distribution of UREs in school-going adolescents of Kakamega County in Kenya. MATERIAL AND METHODS: A cross-sectional study was conducted with randomly selected secondary school adolescents. Participants were screened and clinically examined for URE types and dioptric strength and were administered questi...