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 …

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 …

Background Myopia is the most common visual impairment in children and adolescents
worldwide. This study described an economical and effective population-based screening …

Purpose To provide a comprehensive overview of research examining the impact of
astigmatism on clinical and functional measures of vision, the short and longer term …

Background: To determine the change in refractive error and the incidence of myopia among
school-aged children in the Yongchuan District of Chongqing City, Western China. Methods …

Background Studies show great variability in the prevalence of hyperopia among children.
This study aimed to synthesize the existing knowledge about hyperopia prevalence and its …

Purpose Although there are many reports on ocular growth, these data are often fragmented
into separate parameters or for limited age ranges. This work intends to create an overview …

Objective: Anemia is a major public health and nutritional problem in the world. Studies have
reported the relationship between anemia during pregnancy and small for gestational age …

Background To estimate the global disease burden of uncorrected refractive error (URE)
among adolescents and assess the contributions of various risk factors to disability-adjusted …