Purpose The aim of the study was a systematic review of refractive errors across the world
according to the WHO regions. Methods To extract articles on the prevalence of refractive …

The aim of this review was to quantify the global variation in childhood myopia prevalence
over time taking account of demographic and study design factors. A systematic review …

Methods We searched PubMed, Embase, and Web of Science from their inception through
September 2013 for population-based surveys reporting the prevalence of myopia in adults …

Purpose To examine the prevalence of refractive errors and prevalence and causes of vision
loss among preschool and school children in East China. Methods Using a random cluster …

Purpose.: To investigate the association between subfoveal choroidal thickness and ocular
axial length, refractive error, and blood pressure in healthy young women and men …

Purpose To evaluate prevalence and associated factors for myopia in high school students
in Beijing. Methods Grade 10 and 11 high school students were randomly selected from …

This review aims to disentangle cause and effect in the relationship between anisometropia
and amblyopia. Specifically, we examine the literature for evidence to support different …

East Asia has experienced an excessive increase in myopia in the past decades with more
than 80% of the younger generation now affected. Environmental and genetic factors are …

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 …

Some 12.8 million in the age group 5–15 years are visually impaired from uncorrected or
inadequately corrected refractive errors. In Saudi Arabia, the size of this public health …