Epidemiological data about the prevalence of amblyopia around the world vary widely
among regions and periods. This meta-analysis aimed to determine the global prevalence of …

Purpose: To determine the global prevalence and common causes of visual impairment (VI)
and blindness in children. Methods: In this meta-analysis, a structured search strategy was …

Introduction To improve access to assistive products (APs) globally, data must be available
to inform evidence-based decision-making, policy development and evaluation, and market …

Background There are limited systematic reviews on the prevalence of uncorrected
refractive errors in children. We aimed to summarize the prevalence and causes of pediatric …

Purpose The purpose of the present study was to evaluate the prevalence of refractive errors
in the Middle East region. Methods In this meta-analysis, a structured strategy was applied to …

Purpose Increased prevalence of myopia is a major public health challenge worldwide,
including in Africa. While previous studies have shown an increasing prevalence in Africa …

Background. An impairment of the visual system at or shortly after birth adversely affects
educational performance of children which typically occurs through vision. Limited evidence …

Background: Vision problems have been shown to adversely affect a child's achievement in
school. Aim: To determine the prevalence of refractive error and visual impairment in primary …

Background: Vision loss in childhood has serious implications in all stages of child's growth
and development. It poses social, educational and occupational challenges, with affected …

Purpose To determine the prevalence of visual impairment and blindness and related
factors in the 1-to 90-year-old urban population of Mashhad. Methods In this cross-sectional …