نتایج جستجو برای: macular degeneration
تعداد نتایج: 73965 فیلتر نتایج به سال:
BACKGROUND The pathogenesis of age-related macular degeneration (AMD) remains unknown. Genetic and environmental factors are thought to be associated with AMD. Although some studies have reported familial cases of AMD in the United States, as far as we know, familial cases of AMD have rarely been reported in Japan. CASES We describe three families with two members of each family affected with...
We report a method to train individuals with central field loss due to macular degeneration to improve the efficiency of visual search. Our method requires participants to make a same/different judgment on two simple silhouettes. One silhouette is presented in an area that falls within the binocular scotoma while they are fixating the center of the screen with their preferred retinal locus (PRL...
Histopathology of the eye is an essential part of ocular toxicity evaluation. There are structural variations of the eye among several laboratory animals commonly used in toxicity studies, and many cases of ocular lesions in these animals are related to anatomical and physiological characteristics of the eye. Since albino rats have no melanin in the eye, findings of the fundus can be observed c...
All-trans-retinal and its condensation-products can cause retinal degeneration in a light-dependent manner and contribute to the pathogenesis of human macular diseases such as Stargardt’s disease and age-related macular degeneration. Although these toxic retinoid by-products originate from rod and cone photoreceptor cells, the contribution of each cell type to light-induced retinal degeneration...
OBJECTIVES To assess patients' knowledge of their drug therapy for neovascular macular degeneration and to identify which aspects of the drug they considered most important if given the option of switching to an alternative drug. DESIGN Prospective questionnaire survey. SETTING Wolverhampton, England. PARTICIPANTS A total of 126 patients attending our hospital service for intravitreal ran...
Submacular haemorrhage is not an unusual cause of acute Introduction: central vision loss, particularly in older people. It may be caused by a number of conditions, most common of which is exudative age-related madular degeneration. In patients affected by this type of macular degeneration, choroidal neovascularization extends into the subretinal space, producing substantial bleeding in approxi...
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