نتایج جستجو برای: optic neuritis optic neuritis
تعداد نتایج: 50994 فیلتر نتایج به سال:
BACKGROUND To compare the mean central macular thickness (CMT) and the mean average optic nerve retinal nerve fiber layer (RNFL) thickness in the eyes of patients with a history of optic neuritis and/or multiple sclerosis (MS) using 5 commercially available optical coherence tomography (OCT) instruments. METHODS Cross-sectional study including 46 patients (92 eyes) with a history of optic neu...
BACKGROUND Inflammation of the optic nerve is a common cause of visual loss due to optic nerve pathology. OBJECTIVE To report the clinical features, demographic pattern and response to pulse steroid therapy in patients with idiopathic optic neuritis in eastern Nepal. MATERIALS AND METHODS The hospital data of patients with idiopathic optic neuritis admitted to the department of ophthalmolog...
The effect of increasing temporal frequency on contrast sensitivity anomalies in unilateral optic neuritis has been investigated. For 4 c/deg gratings no change in the deficit was observed at any temporal frequency whereas there was a tendency for the deficit to decrease with increase in temporal frequency for 0-5 c/deg gratings. The latter effect was not observed in a case of optic neuritis wi...
BACKGROUND AND PURPOSE There is a well-known relationship between MS and damage to the optic nerve, but advanced, quantitative MR imaging methods have not been applied to large cohorts. Our objective was to determine whether a short imaging protocol (< 10 minutes), implemented with standard hardware, could detect abnormal water diffusion in the optic nerves of patients with MS. MATERIALS AND ...
OBJECTIVE To identify factors associated with a high and low risk of developing multiple sclerosis after an initial episode of optic neuritis. METHODS Three hundred eighty-eight patients who experienced acute optic neuritis between July 1, 1988, and June 30, 1991, were followed up prospectively for the development of multiple sclerosis. Consenting patients were reassessed after 10 to 13 years...
Neurodegeneration plays a major role in multiple sclerosis (MS), in which it is thought to be the main determinant of permanent disability. However, the relationship between the immune response and the onset of neurodegeneration is still a matter of debate. Moreover, recent findings in MS patients raised the question of whether primary neurodegenerative changes can occur in the retina independe...
Demyelination is assumed to be the cause of the majority of cases of isolated optic neuritis. Because of the importance of establishing the presence of optic nerve dysfunction in patients suspected of having multiple sclerosis several new indices of optic nerve conduction have been reported including the visual evoked potential, the edge-light pupil cycle time, and the Pulfrich test. These meas...
InTRoDUCTIon Inflammatory, demyelinating optic neuritis is one of the most common optic neuropathies in young adults. It occurs idiopathically, or in association with multiple sclerosis, and follows a typical course of progressing visual dysfunction often with pain for one – two weeks, followed by significant resolution over the next few weeks. Due to the characteristic presentation and frequen...
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