purpose: to determine the screening prevalence of amblyopia, refractive errors and strabismus among 7 to 12 year-old primary school children, tehran, iran, in 2013. methods: this population based cross sectional study was performed on randomly selected 2410 students from 40 primary schools. visual acuity was measured using yang vision tester snellen e-optotype. if visual acuity was ≤20/40, the ...

purpose : to determine the relationship between refractive errors and ocular components values in carpet weavers methods : refractive errors and ocular components values were investigated on carpet weavers at mashhad city in iran . after selection of samples, the individuals who had ophthalmic and systemic disease effective on the refractive errors were excluded from the study. refractive error...

purpose: retinopathy of prematurity (rop) adversely affects normal ocular vascularization in premature infants. it can be mild with no visual consequences, or may become aggressive with new vessel formation and even progress to retinal detachment and blindness. modern treatment can prevent blindness due to neovascularization but uncorrected refractive errors may lead to amblyopia. methods: in t...

purpose : to evaluate the correlation of central corneal thickness (cct) with refractive error and keratometry in a group of patients eligible for laser keratorefractive surgery, which may serve as a bias in studies on intraocular pressure (iop) measurement methods : in a cross sectional observational study, the right eyes of 340 patients who underwent laser keratorefractive surgery during the ...