نتایج جستجو برای: toxic optic neuropathy
تعداد نتایج: 163087 فیلتر نتایج به سال:
glaucoma is a major cause of worldwide irreversible blindness. the central role of raised intraocular pressure (iop) is being questioned as many patients continue to demonstrate a clinically downhill course despite initial control of iop. the latest concept of recognizing glaucoma as a multifactorial, progressive, neurodegenerative disease of retinal ganglion cells (rgcss) associated with chara...
PURPOSE To report a case and describe the clinical approach to a patient with a non-small cell lung carcinoma and paraneoplastic optic neuropathy. METHODS Case report. RESULTS A 79-year-old woman with known non-small cell lung carcinoma was admitted with a swollen optic disc in the right eye. After detailed clinical, laboratory, and imaging studies, the authors diagnosed paraneoplastic opti...
OBJECTIVE Fibrous dysplasia (FD) of bone may occur solely as a skeletal condition or it may occur in association with extraskeletal manifestations, including growth hormone (GH) excess. Uncertainty exists as to the management of FD involving the optic nerves. In an effort to clarify management, the authors studied a large population of patients. METHODS One hundred four patients underwent an ...
Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common form of ischemic optic neuropathy and the second most common optic neuropathy. Patients are generally over the age of 50 years with vasculopathic risk factors (eg, diabetes mellitus, hypertension, and obstructive sleep apnea). The exact mechanism of NAION is not fully understood. In addition, several treatment options ha...
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...
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