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

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

The equations of ametropia: Predicting myopia Francisco Gaya; Antonio Medina;