نتایج جستجو برای: high myopic astigmatism
تعداد نتایج: 2064799 فیلتر نتایج به سال:
PURPOSE To determine the prevalence and risk factors for refractive errors in middle-aged to elderly Singaporeans of Indian ethnicity. METHODS A population-based, cross-sectional study of Indians aged over 40 years of age residing in Southwestern Singapore was conducted. An age-stratified (10-year age group) random sampling procedure was performed to select participants. Refraction was determ...
purpose: to determine the effect of photorefractive keratectomy (prk) on improvement of involuntary eye movements and visual functions in myopic patients with congenital nystagmus. methods: this prospective interventional case series included patients with congenital nystagmus and myopia ≥ -1 d who underwent prk over a 2-year period. complete ophthalmological examinations including visual acuit...
PURPOSE We investigated longitudinally the refraction development in children with regressed retinopathy of prematurity (ROP), including those with and those without a history of peripheral retinal laser photocoagulation. METHODS Longitudinal (0-7 years) cycloplegic refraction data were collected prospectively for two groups of preterm children: severe ROP group included those with regressed ...
Background & Objective: Refractive errors (myopia, hyperopia and astigmatism) could lead to an impaired quality of life affect a large proportion of the population worldwide, irrespective of age, sex and ethnic group. Such refractive errors can be easily diagnosed, measured and corrected with spectacles or other refractive corrections to attain normal vision. Since there is paucity of informati...
PURPOSE To describe and evaluate a new multiple regression-derived nomogram for myopic wavefront laser in situ keratomileusis (LASIK). SETTING Moorfields Eye Hospital, London, United Kingdom. DESIGN Prospective comparative case series. METHODS Multiple regression modeling was used to derive a simplified formula for adjusting attempted spherical correction in myopic LASIK. An adaptation of...
are ours), which is scientifically more important, and which should be the splendid function of the family physician, is ignored. Dr. Gould contributes but little towards the attainment of this lofty aim. He plunges at once into a " medical description of past lives," choosing for his examples De Quincey, Carlyle, Darwin, Huxley and Browning. At first sight the choice seems to be an unfortunate...
PURPOSE To study the relationship between exophthalmometric value (EV) and refractive error in Cameroonian young adults. PATIENTS AND METHODS A prospective descriptive study was carried out in the ophthalmic unit of the Yaoundé Central Hospital from March to May 2015. Consenting patients aged 20-40 years with no intraocular pathology who were seen for refractive errors were included. Ocular p...
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