نتایج جستجو برای: networks drusen fundus photography
تعداد نتایج: 453270 فیلتر نتایج به سال:
PURPOSE Intermediate and large drusen usually precede advanced age-related macular degeneration (AMD). There is little information about which genes influence drusen accumulation. Discovery of genetic variants associated with drusen may lead to prevention and treatments of AMD in its early stages. METHODS A total of 3066 subjects were evaluated on the basis of ocular examinations and fundus p...
PURPOSE To evaluate the dynamic remodeling of drusen in subjects with unilateral neovascular age-related macular degeneration (AMD) receiving a three-year course of oral docosahexaenoic acid (DHA) or placebo. SETTING Institutional setting. METHODS Three hundred subjects with age-related maculopathy and neovascular AMD in the fellow eye were randomly assigned to receive either 840 mg/day DHA...
PURPOSE—To describe the features of intraretinal retinal pigment epithelium (RPE) migration documented on a prototype spectral domain high speed, ultrahigh resolution optical coherence tomography (OCT) device in a group of patients with early to intermediate dry age-related macular degeneration (AMD). To correlate intraretinal RPE migration on OCT to RPE pigment clumping on fundus photographs. ...
PURPOSE To characterize and report the phenotype of a Korean family with an early-onset autosomal dominant macular dystrophy resembling North Carolina macular dystrophy (NCMD). METHODS Five members of a Korean family were examined clinically and underwent fundus photography, fluorescein angiography, indocyanine green angiography, optical coherence tomography, full field electroretinogram (ERG...
Introduction: Hunter syndrome or mucopolysaccharidosis type II is a rare progressive multi-systemic disorder, caused by an abnormal storage of glycosaminoglycans (GAGs) in almost every cell type, including most ocular tissues [1,2]. Patients have a short life expectancy and ocular manifestations can be present early in the course of disease [1,2]. Purpose: To report the fundus autofluorescence ...
PURPOSE To display drusen and geographic atrophy (GA) in a single projection image from three-dimensional spectral domain optical coherence tomography images based on a novel false color fusion strategy. METHODS We present a false color fusion strategy to combine drusen and GA projection images. The drusen projection image is generated with a restricted summed-voxel projection (axial sum of t...
PURPOSE To document reticular pseudodrusen (RPD) using multimodal imaging in French elderly subjects. METHODS A total of 494 subjects (970 eyes) aged 77 years or more, from the Alienor study, were examined in 2011 and 2012. Reticular pseudodrusen were defined as definite if they were present with at least two imaging methods among color retinal photographs, macular cube (20° × 15°) of spectra...
The proficiency of nonophthalmologists with direct ophthalmoscopy is poor, which has prompted a search for alternative technologies to examine the ocular fundus. Although ocular fundus photography has existed for decades, its use has been traditionally restricted to ophthalmology clinical care settings and textbooks. Recent research has shown a role for nonmydriatic fundus photography in nonoph...
Fundus photography has routinely been used to document the presence and severity of retinal degenerative diseases such as age-related macular degeneration (AMD), glaucoma, diabetic retinopathy (DR) in clinical practice, for which fovea optic disc (OD) are important landmarks. However, occurrence lesions, drusen, other abnormalities during severely complicates automatic landmark detection segmen...
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