Prevalence of refractive error within a Portuguese sample of optometric records Vera Lúcia Alves Carneiro; José Manuel González-Méijome;

Relationship between socioeconomic status and myopia in school children: CISViT project Vila-Vidal Núria; Vinuela-Navarro Valldeflors; Pérez-Corral Joan; Galdón Alba; Tomás Núria; González Enric; Guisasola Laura;

The prevalence of refractive errors in college students in Israel Einat Shneor; Ravid Doron; Lisa A Ostrin; Ariela Gordon-Shaag;