نتایج جستجو برای: anterior optic neuritis
تعداد نتایج: 172868 فیلتر نتایج به سال:
abstract background and aim: consider ing based on the presence or absence of swelling of the optic disc, optic neuritis classified nto two types of anterior and retrobulbar optic neuritis. the aim of this study was to compare the visual functions of patients with anterior optic neuritis and retrobulbar optic neuritis. materials and methods:this cross-sectional study was conducted in 48 patient...
Optic neuritis an inflammatory disorder of the optic nerve inflammation is usually in young’s with symptoms of eye pain and vision loss that occurs is a common symptom of MS. Optic neuritis is one of the first symptoms of MS that observable into disorders in white matter of cerebral cortex. The risk of MS in patients with optic neuritis during 2 years 20% in 15 years, 45-80% is calculated...
Optic neuritis is a common presentation of demyelinating disorders such as multiple sclerosis. It typically presents with acute painful monocular vision loss, whereas chronic optic neuropathy can be caused by compressive lesions along the anterior visual pathway, genetic, toxic, or nutritional causes. We report an unusual presentation mimicking optic neuritis, which was subsequently diagnosed a...
BACKGROUND Optic neuritis in herpes zoster ophthalmicus (HZO) has been reported rarely. We report two cases of HZO optic neuritis with detailed magnetic resonance imaging study and treatment responses. CASES One patient presented with anterior optic nerve involvement, and the second presented with retrobulbar optic neuritis. Contrast enhanced T(1)-weighted images were obtained in these 2 pati...
Background and purpose: Optic neuritis is one of the common causes of unilateral or bilateral visual loss. The most common cause of this disorder is demyelinating disease of the central nervous system (CNS) and most of the patients with optic neuritis will present other signs of multiple sclerosis (MS). The diagnosis depends on the clinical findings, however, magnetic resonance imaging (MRI) is...
Parainfectious optic neuritis typically follows the onset of a viral or, less often, a bacterial infection by 1 to 3 weeks (37,434,435). It is more common in children than in adults and is thought to occur on an immunologic basis, producing demyelination of the optic nerve. The optic neuritis may be unilateral, but it is often bilateral. The optic discs may appear normal or swollen. Swelling of...
OBJECTIVE To investigate potential associations of the PlA1/A2 polymorphism of the platelet glycoprotein IIIa (GPIIIa) gene with susceptibility to, and clinical expression of, giant cell arteritis (GCA). METHODS One hundred forty patients with biopsy-proven GCA who were residents of Reggio Emilia, Italy, and 241 population-based healthy controls from the same geographic area were genotyped fo...
BACKGROUND A few reports have described ocular complications of influenza A infection, such as impaired ocular movement, parasympathetic ocular nerve, keratitis, macular lesion, and frosted branch angiitis. We encountered a rare case of acute anterior uveitis and optic neuritis associated with influenza A infection. CASE PRESENTATION A 70-year-old man presented with symptoms of upper respirat...
INTRODUCTION The Optic Neuritis Treatment Trial (ONTT) has established that the magnetic resonance imaging (MRI) findings at the time of presentation of optic neuritis (ON) is the strongest indicator of the development of multiple sclerosis (MS). Reports from Singapore as well as other Asian countries have indicated that these abnormalities are less frequently encountered compared to that repor...
optic neuritis an inflammatory disorder of the optic nerve inflammation is usually in young’s with symptoms of eye pain and vision loss that occurs is a common symptom of ms. optic neuritis is one of the first symptoms of ms that observable into disorders in white matter of cerebral cortex. the risk of ms in patients with optic neuritis during 2 years 20% in 15 years, 45-80% is calculated. in ...
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