purpose: uncorrected visual acuity is the only variable measured in vision screening programs in many countries worldwide. the aim of this study was to calculate the sensitivity, specificity, and predictive value of the uncorrected visual acuity in the screening programs for the diagnosis of refractive errors. methods: in this cross-sectional study, of 4,157 students in the first year of primar...

background: to determine the sensitivity, specificity, positive predictive value (ppv), and negative predictive value (npv) of the national vision screening program for 7 yr old children in iran. methods: in this cross-sectional study, eight cities in iran were selected through multistage cluster sampling. selected cities were sari, birjand, ardabil, mashhad, bandar abbas, dezful, yazd, and ara...

introduction: the decline of visual function with increasing age is a significant concern in elderly. despite previous work on prevalence of specific ophthalmic pathologies, there has not been enough valid data about overall eye disorders in tehran yet, and it is poorly defined and not underpinned by strong evidence. the purpose of this study was to investigate the common eye disorders in the e...

This editorial highlights the scope of topic that need to be examined further in field children’s vision screening. We hope by making screening a special SJOVS we can encourage collaboration between groups researchers, clinicians and students help development evidence-based solutions current problems facing across world. Of course, identifying eye represents only first stage process. It is impo...