نتایج جستجو برای: experimental cataract
تعداد نتایج: 730150 فیلتر نتایج به سال:
PURPOSE To evaluate safety and efficacy of day care cataract surgery in developing country. PATIENTS AND METHODS This prospective study included 200 patients planned for cataract surgery during October and November 2012 divided in to two groups, day care cataract surgery (DCCS) and inpatient cataract surgery (ICS), with same number of male and female patients right and left eyes. All patients...
Many factors such as aging, changes in blood electrolytes levels, and possibly family history are involved in senile cataract formation. Changes in serum electrolytes levels can induce changes in aqueous electrolytes levels and effect on lens metabolism and probably cataract formation. In this paper, we study serum level of Na(+ )and K(+) in senile cataract patients and normal individuals. Meth...
Reading rates are slower for persons with low vision than for normally-sighted persons. This study investigated the change in reading performance and reading eye movements when we simulated the two most common causes of low vision--central field loss and cataract--and their combination (scotoma + cataract). Three subjects read sentences with each of these simulated impairments at five different...
AIMS Women suffer disproportionately more from cataract blindness compared to males in low- and middle-income countries. Two large population-based surveys have been undertaken in India at an interval of 7 years and data from these surveys provided an opportunity to assess the trends in gender differentials in cataract blindness. MATERIALS AND METHODS Data were extracted from the surveys to d...
Age-related cataract is a major cause of blindness worldwide, and cortical cataract is the second most prevalent type of age-related cataract. Although a significant fraction of age-related cataract is heritable, the genetic basis remains to be elucidated. We report that homozygous deletion of Epha2 in two independent strains of mice developed progressive cortical cataract. Retroillumination re...
AIMS A population based cross sectional survey was conducted to determine the magnitude of cataract blindness and the barriers to uptake of cataract services in a rural community of northern Nigeria. METHODS 1461 people out of 1924 registered eligible people were examined. The study population was chosen by two stage cluster random sampling. In the first sampling stage 15 villages were random...
PURPOSE To determine whether poor fetal growth, as determined by size at birth, is associated with an increased risk of age-related cataract. METHODS A total of 741 men and women born in Sheffield, England between 1922 and 1930 and whose size at birth was available were traced and invited to take part in the study. Of these, 392 (53%) attended for ophthalmic examination. Lens opacity in these...
A family with an autosomal dominant form of congenital cataract, total nuclear cataract, was examined for genetic linkage between the cataract locus and 30 marker loci. Close linkage was excluded for all of the 21 informative loci. There was no significant evidence for linkage of the cataract locus with any of the marker loci.
This study evaluated the effectiveness of sutureless cataract surgery using a clear corneal incision in canine cataract surgery. Sutured cataract surgery was compared with sutureless cataract surgery in terms of the refractive error, the alteration of intraocular pressure (IOP) over 28 days post-operatively, and neovascularization on the cornea. An average of 1.33 ± 0.58 D astigmatism was induc...
PURPOSE To investigate maternal, demographic, and pre- and perinatal risk factors for idiopathic congenital/infantile (ICI) cataract. METHODS Based on national registries, a cohort of all children born in Denmark and aged 0 to 17 years during 1977 to 2001 was established, and congenital/infantile cataract cases were identified. Cases of unknown/idiopathic cause were included in the study. Ass...
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