Amblyopia and Strabismus in Iranian Schoolchildren, Mashhad

Purpose: To determine the prevalence of amblyopia and strabismus among the population of schoolchildren Mashhad, Iran.Materials and Methods: In a cross-sectional study with cluster sampling, 2510 schoolchildren were selected from schools of district 1 in Mashhad. Uncorrected visual acuity (UCVA) and best corrected visual acuity (BCVA) were recorded for each participant. Amblyopia was distinguished as a reduction of BCVA to 20/30 or less in one...