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Visual function in patients with optic nerve pallor (optic atrophy)
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This cross-sectional study assessed the relationship between the degree of optic nerve pallor (optic atrophy) and visual function. Using a set of "gold standard" stereoscopic slides, the severity of optic atrophy for 270 eyes, each having sustained a bout of optic neuropathy, was graded. Good visual acuity was found in 55/86 (64.0%) mild, 54/119 (45.4%) moderate, and 21/65 (32.3%) marked optic atrophy eyes. Good visual field was found in 6/28 (21.4%) mild, 4/43 (9.3%) moderate, and 2/28 (7.1%) marked optic atrophy eyes. Good color vision was found in 31/46 (67.4%) mild, 12/62 (19.4%) ...
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Schnabel cavernous degeneration: A vascular change of the aging eye
; ...in the proximal optic nerve and its clinical...Schnabel cavernous optic atrophy were identified...some clinical optic nerve damage; in the...arteriolosclerosis in the optic nerve circulation were...Schnabel cavernous optic atrophy appears to ...
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Isolated optic atrophy best evaluated by imaging
; ...evaluation of cases of unexplained optic atrophy, while laboratory testing has a low...mandatory in all patients with unexplained optic atrophy and is particularly important in those...retrospective review of cases of isolated optic atrophy at a neuro-ophthalmology free paper...
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Sarcoid masquerading as optic nerve sheath meningioma
; Sarcoid manifesting as an optic nerve tumor without evidence of...of no light perception. Optic atrophy but no uveitis was noted...enhancement of the apical optic nerve, with "tram-tracking." The presumptive diagnosis was optic nerve sheath meningioma; however, a biopsy ...
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Radiation preferred for optic nerve sheath meningiomas
; ...standard of care for optic nerve sheath meningiomas...portion of the optic nerve. The secondary...patient will develop optic atrophy, according to...typical case of optic nerve sheath meningioma...surface of the optic disc that shunt...constricts the optic ...
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Efferent modulation of physiological properties of the Limulus lateral eye.
; ...brain (1). At night, efferent optic nerve activity to the lateral eyes...increase in gain (the steady-state optic nerve response to each absorbed photon...decrease in noise (spontaneous optic nerve activity in the absence of light...
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Pathophysiology of optic neuropathy is meeting topic
; ...topics, such as in vivo assessment of the optic nerve structure and function, as well as basic...such as cellular responses within the optic nerve to mechanical and physiological stressors...pathogenesis of glaucoma. -Robert Ritch, MD Optic nerve head events in the pathophysiology ...
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Optic nerve sheath advances detailed
; ...in the ability to diagnose and manage optic nerve sheath meningiomas. Neil R. Miller...School of Medicine, Baltimore. Primary optic nerve sheath meningioma is usually a unilateral...three patterns of imaging observed with optic nerve sheath meningioma. The most common one...
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Optic nerve visual prosthesis shows promise in blind person
; ...retinal cells, artificially stimulates optic nerve Reviewed by Claude G. Veraart, ScD Brussels, Belgium- An optic nerve visual prosthesis developed in Belgium...cells and artificially stimulates the optic nerve directly through implantation of...
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Three-dimensional map helps with optic nerve examination
; ...three-dimensional structure, such as the optic nerve, by acquiring images in a manner similar...computer into a threedimensional map of the optic nerve head. "The advantage of this type of...the height of various regions of the optic nerve and the surrounding tissue in the retina...
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Papilledema: clinical clues and differential diagnosis.
; ...ophthalmoscopic visualization of the optic nerve head and adjacent vessels through an...any swelling or irregularity of the optic nerve head, the general terminology should...Furthermore, swelling or elevation of the optic nerve head may occur without edema. Family...
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