Epidemiologic study of myopia in a population of schoolchildren in Tunisia.

Background: Uncorrected refractive error has recently been identified as the leading cause of visual impairment in children worldwide. The prevalence of myopia is increasing. Determination of the epidemiology of myopia is important to develop screening strategy.

Characteristics of Astigmatism in a Population of Tunisian School-Children.

Purpose: To evaluate the characteristics of astigmatism in a cross-sectional study of schoolchildren in Tunisia.

Materials And Methods: A random cluster design was used to recruit children from primary schools across urban and rural settings in Tunisia, from 2008 to 2010. A total of 6192 students aged 6-14-years old were enrolled.