نتایج جستجو برای: cataracts
تعداد نتایج: 3603 فیلتر نتایج به سال:
Aims: To investigate the long term effects of age at surgery on the development of visual acuity (VA) by measuring VA from preschool age to puberty. Furthermore, to report the VA levels at 12 years of age in a geographically based cohort of operated congenital bilateral cataracts. Methods: All children born in four western counties of Sweden between January 1980 and December 1993 who were diagn...
INTRODUCTION We examined the critical period for deprivation amblyopia in a cohort of patients with dense bilateral congenital cataracts to investigate the optimum timing for surgical treatment. METHODS Thirty-seven infants with dense bilateral congenital cataracts that were extracted by 31 weeks of age were enrolled prospectively. Visual acuity outcome was assessed at >/=5 years of age. We s...
PURPOSE Epidemiologic studies assessing the relationship between alcohol consumption and the risk of age-related cataracts (ARCs) led to inconsistent results. This meta-analysis was performed to fill this gap. METHODS Eligible studies were identified via computer searches and reviewing the reference lists of these obtained articles. Pooled estimates of the relative risks (RR) and the correspo...
BACKGROUND To assess the socio-demographic and health-related risk factors associated with cataract subtypes in Korea. METHODS A total of 11,591 participants (aged ≥40 years) were selected from the Korean National Health and Nutrition Examination Survey between 2008 and 2010. The Korean Ophthalmologic Society conducted detailed ophthalmologic examinations on these participants based on the Le...
AIMS To investigate the long term effects of age at surgery on the development of visual acuity (VA) by measuring VA from preschool age to puberty. Furthermore, to report the VA levels at 12 years of age in a geographically based cohort of operated congenital bilateral cataracts. METHODS All children born in four western counties of Sweden between January 1980 and December 1993 who were diagn...
the number of people with diabetes mellitus is increasing and cataracts are one of the most common causes of visual impairment in these patients. advances in cataract surgery have generally resulted in favorable surgical outcomes. however, surgery may not be safe and effective in individuals who were previously not candidates for surgery or who had limited visual prognosis. many questions remai...
Despite the high prevalence of age-related cataracts, there are currently no known therapies to delay or prevent their occurrence. Studies in humans and rodent models suggest that estrogen may provide protection against age-related cataracts. The discovery of ocular estrogen receptors (ERs) indicates that estrogen protection may result from direct interactions with its receptors in the eye, ins...
PURPOSE The Upjohn Pharmaceuticals Limited (UPL) rat is a unique model for cataracts, which are inherited as an autosomal semidominant trait and expressed as early-onset (E-type) cataracts in homozygotes and as late-onset (L-type) cataracts in heterozygotes. In this study, a gene and its modifier, which are responsible for formation of cataract, were mapped. METHODS Fifty-five BN x (BN x UPL)...
PURPOSE To evaluate the rate of increase in nuclear sclerosis and posterior subcapsular cataracts in eyes as a function of patient age and use of intravitreal gas at the time of vitrectomy. METHODS Nuclear sclerotic cataracts and posterior subcapsular cataracts were graded on a scale of 0 to 4.0 in 301 consecutive eyes prior and subsequent to vitrectomy for macular holes, epiretinal membranes...
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