مقال بحثي وصول مفتوح
Prevalence of convergence insufficiency among secondary school students in Khartoum, Sudan
Background: Few studies have examined the prevalence of convergence insufficiency (CI) in a school-based population in Sudan. This study sought to determine the prevalence of CI and its related clinical characteristics among Sudanese secondary school students. Materials and methods: A descriptive cross-sectional survey …