نتایج جستجو برای: radiation optic neuropathy
تعداد نتایج: 322560 فیلتر نتایج به سال:
BACKGROUND AND OBJECTIVE To investigate the incidence and outcome of optic neuropathy associated with thyroid-related orbitopathy. PATIENTS AND METHODS All patients diagnosed as having optic neuropathy associated with thyroid-related orbitopathy who underwent treatment for optic neuropathy between January 1, 1999, and March 1, 2003, were reviewed. Demographic and clinical data were extracted ...
Graves' ophthalmopathy is an autoimmune inflammatory process affecting primarily the extraocular muscles. The enlargement of these muscles is responsible for most of the important manifestations of the disease, including proptosis, lid retraction, diplopia, and optic neuropathy. Recently the optic neuropathy has been shown to correlate with extraocular muscle volume as determined by computed to...
CASE REPORT We report the case of a young patient with unilateral anterior ischemic optic neuropathy, with no known cardiovascular risk factors and visual acuity preserved with positive anticardiolipin antibodies as a unique find. DISCUSSION Non-arteritic anterior ischemic optic neuropathy in the context of antiphospholipid syndrome is an uncommon finding, but it must be considered in the dia...
The association between Leber’s hereditary optic neuropathy and multiple sclerosis has encouraged the search for susceptibility genes in multiple sclerosis. This symbiotic relation is reversed in the paper by Inglese et al (this issue, pp 444–449) in which magnetic resonance (MR) techniques originally developed for studying multiple sclerosis were applied to patients with Leber’s hereditary opt...
IMPORTANCE Radial optic neurotomy (RON) was first described by Opremcak as a treatment for patients with central retinal vein occlusion (CRVO). The most common cause of visual loss in patients with optic disc drusen is nonarteritic anterior ischemic optic neuropathy (NAION). The pathogenesis of nonarteritic anterior ischemic optic neuropathy associated with optic disc drusen is assumed to be si...
Purpose To report a case of bilateral central retinal artery occlusion with both anterior and posterior ischemic optic neuropathy. Observations A 65-year-old Caucasian woman presented with acute respiratory distress syndrome and septic shock. After treatment with vasopressors and prolonged prone positioning, she was noted to be bilaterally completely blind on hospitalization day 12. Evaluatio...
We report a patient with a bilateral optic anterior ischemic neuropathy as an extrahepatic complication of a chronic hepatitis C (HCV) infection. The patient presented with a bilateral visual acuity loss and bilateral optic disc oedema. The optic neuropathy was associated with a sudden increase in the viral HCV load after a recent liver transplantation. The stop of the calcineurin inhibitor had...
PURPOSE To report a patient with Behcet disease presenting with acute optic neuropathy. METHODS A 47-year-old man was admitted to the authors' clinic owing to sudden visual loss in the left eye. Ophthalmologic and systemic examinations were performed. RESULTS Visual acuity was 4/10 in the left eye. Fundus examination demonstrated swollen optic disc with blurred margins. There was relative a...
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