Results 261 to 270 of about 77,821 (282)
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Malignant tumor of the retinal pigment epithelium with extraocular extension in a phthisical eye
Graefe's Archive for Clinical and Experimental Ophthalmology, 1996Malignant tumors of the retinal pigment epithelium (RPE) are exceedingly rare. We describe the histopathologic and immunohistochemical features of a RPE neoplasm that was found accidentally in a blind and painful phthisical eye.The enucleated eye was investigated by light microscopy, and tumor tissue was also studied by electron microscopy ...
Löffler, Karin U. +3 more
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Low Levels of Pigment Epithelium-Derived Factor in Highly Myopic Eyes With Chorioretinal Atrophy
American Journal of Ophthalmology, 2005To determine the concentration of pigment epithelium-derived factor (PEDF) in the aqueous humor of highly myopic eyes.Observational case series.The PEDF concentration in the aqueous humor of 23 eyes of 17 patients with high myopia (axial length >26 mm) who underwent cataract surgery was measured by enzyme-linked immunosorbent assay.The mean ...
Nahoko, Ogata +6 more
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Outer Segments of Photoreceptors and the Retinal Pigment Epithelium
Archives of Ophthalmology, 1970The pigment epithelium has two types of processes: (1) relatively slender, fringe-like villi projecting between the outer segments of the photoreceptors, and (2) broad, rampart-like cytoplasmic sheets encompassing the tips of the outer segments.
M, Spitznas, M J, Hogan
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Vision Research, 1967
Abstract An intense light flash evokes an electrical response from the isolated pigment epithelium-choroid complex of the toad or frog eye. This response consists of three phases, which seem comparable to the biphasic early RP and late RP of the retinal photoreceptors.
K T, Brown, J M, Crawford
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Abstract An intense light flash evokes an electrical response from the isolated pigment epithelium-choroid complex of the toad or frog eye. This response consists of three phases, which seem comparable to the biphasic early RP and late RP of the retinal photoreceptors.
K T, Brown, J M, Crawford
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Biokhimiia (Moscow, Russia), 1980
The induction of lipid peroxidation in the eye pigment epithelium of pigmented rabbits by the Fe2+ + ascorbate and xanthine--xanthine oxidase systems did not result in accumulation of malonic dialdehyde. In albino rabbits the lipid peroxidation of the non-pigmented pigment epithelium and retina occurred at a high rate under the same conditions.
A E, Dontsov +2 more
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The induction of lipid peroxidation in the eye pigment epithelium of pigmented rabbits by the Fe2+ + ascorbate and xanthine--xanthine oxidase systems did not result in accumulation of malonic dialdehyde. In albino rabbits the lipid peroxidation of the non-pigmented pigment epithelium and retina occurred at a high rate under the same conditions.
A E, Dontsov +2 more
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[Pigment epithelium of the eye in the human embryo in vitro].
TSitologiia i genetika, 1985A model is developed and described for studying cytological differentiation of pigment epithelium cells of the human eye in vitro. It is shown that the differentiation pattern depends on the stage of embryogenesis.
S M, Terekhov, K N, Grinberg
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[Etiopathogenic aspects of flow-like atrophy of the pigment epithelium of eye].
Bulletin des societes d'ophtalmologie de France, 1990"Like flows" atrophy of the retinal pigment epithelium are observed in multiple cases of lesions of the posterior pole. The authors are reported one observation of different diseases with like flows atrophy.
S, Milazzo +3 more
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The role of the retinal pigment epithelium in eye growth regulation and myopia: A review
Visual Neuroscience, 2005Myopia is increasing in prevalence world-wide, nearing epidemic proportions in some populations. This has led to expanded research efforts to understand how ocular growth and refractive errors are regulated. Eye growth is sensitive to visual experience, and is altered by both form deprivation and optical defocus. In these cases, the primary targets
Jodi, Rymer, Christine F, Wildsoet
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[Serous central chorioretinopathy. Acute autofluorescence of the pigment epithelium of the eye].
Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft, 1999The lack of histopathological material has placed limitations on our knowledge on lipofuscin in central serous chorioretinopathy (CSCR). This study was designed to document the pathological changes of the retinal pigment epithelium (RPE) in CSCR using in vivo recording of fundus autofluorescence.Fundus autofluorescence was documented in 62 eyes of 44 ...
A, von Rückmann +4 more
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Transplantation of autologous retinal pigment epithelium in eyes with foveal neovascularization
American Journal of Ophthalmology, 2002openaire +3 more sources