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AIM To determine the prevalence of refractive errors among schoolchildren in urban and rural areas of Dezful County, Iran. METHODS In a cross-sectional study, using random cluster sampling, 5721 Dezful schoolchildren were selected from 39 clusters. The participants in the study totalled 5544; 3673 elementary and middle school students and 1871 high school(More)
PURPOSE To determine the prevalence of amblyopia, strabismus, and refractive errors in children entering school. METHODS In this cross-sectional population-based study, 6-year-old children enrolling in Shahrood schools were randomly sampled. Those with organic blindness or mental retardation were excluded. Ocular alignment, visual acuity, stereopsis,(More)
OBJECTIVE To compare the results of femtosecond-assisted laser in situ keratomileusis (femto-LASIK) and photorefractive keratectomy with mitomycin C (PRK-MMC) for the correction of myopia more than 7.0 diopters (D). METHODS In this comparative nonrandomized trial, 60 eyes (30 eyes in each group) were enrolled. Patients were tested for uncorrected distance(More)
IMPORTANCE Surgeons starting to perform Descemet membrane endothelial keratoplasty (DMEK) should be informed about the learning curve and experience of others. OBJECTIVE To document the clinical outcome of standardized "no-touch" DMEK and its complications during the learning curves of experienced surgeons. DESIGN, SETTING, AND PARTICIPANTS(More)
AIM To determine the prevalence of the met and unmet need for spectacles and their associated factors in the population of Tehran. METHODS 6497 Tehran citizens were enrolled through random cluster sampling and were invited to a clinic for an interview and ophthalmic examination. 4354 (70.3%) participated in the survey, and refraction measurement results(More)
PURPOSE To compare the outcomes of free conjunctival autograft (CAU) versus conjunctival-limbal autograft (CLAU) in the prevention of recurrence after pterygium surgery with adjunctive mitomycin C application in patients with primary or recurrent pterygia. DESIGN Prospective, randomized study. PARTICIPANTS AND CONTROLS Eighty-seven eyes of 86 patients(More)
PURPOSE To determine the distribution of corneal thickness at 6 different points in an Iranian population and find any possible relationship between the thickness values and some independent variables. METHODS As part of the "Tehran Eye Study," 410 people (800 eyes) aged 14 years and older, residing in the first 4 municipality areas of Tehran, were(More)
PURPOSE To determine the mean angle kappa and its determinants in the population of Tehran, Iran. METHODS In a cross-sectional survey with random cluster sampling, a total of 442 participants aged >14 years were selected from 4 municipality districts of Tehran for Orbscan acquisitions. Exclusion criteria were history of eye surgery for refractive errors,(More)
PURPOSE To compare wavefront-guided and wavefront-optimized LASIK in patients with myopic astigmatism up to -7.00 diopters (D) sphere and 3.00 D cylinder. METHODS In this prospective, comparative study, 41 patients had wavefront-guided LASIK in one eye and wavefront-optimized LASIK in the fellow eye. The LASIK flap was created with a Hansatome XP(More)
PURPOSE To determine the distribution of central and peripheral corneal thickness values and its determinants in an Iranian population. METHODS This population-based study was conducted between 2009 and 2010 in Shahroud, with a response rate of 82.2%. Here in, we present the data on central and peripheral corneal thickness in 3890 participants of the(More)