نتایج جستجو برای: optic nerve disease
تعداد نتایج: 1651312 فیلتر نتایج به سال:
Imaging through the visual system in Alzheimer's disease, with the technology currently in widespread use for the diagnosis and management of eye disease such as glaucoma and macular degeneration, is proving to be promising. In vivo cross-section imaging during an annual comprehensive eye exam has been available for a decade for glaucoma and macular degeneration, and this same imaging, using Op...
OBJECTIVES To study the epidemiology of optic nerve hypoplasia. DESIGN AND METHODS Children with optic nerve hypoplasia and visual impairment were identified through the Swedish Register of Visually Impaired Children. Pre- and perinatal characteristics were obtained from the Medical Birth Registry and by scrutinizing pregnancy and delivery records. Clinical characteristics of children with op...
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...
BACKGROUND AND PURPOSE Evaluating chronic sequelae of optic neuritis, such as optic neuropathy with or without optic nerve atrophy, can be challenging on whole brain MRI. This study evaluated the utility of dedicated coronal contrast-enhanced fat-suppressed FLAIR (CE-FS-FLAIR) MR imaging to detect optic neuropathy and optic nerve atrophy. MATERIALS AND METHODS Over 4.5 years, a 3 mm coronal C...
BACKGROUND AND AIMS Extraintestinal manifestations of inflammatory bowel disease (IBD) can involve the orbit and the optic nerve. Although these manifestations are rare, they can be particularly serious as they can lead to permanent loss of vision. The aim of the review is to present the existing literature on IBD-related optic nerve and orbital complications. METHODS A literature search iden...
The clinical presentation of optic nerve anomalies associated with renal hypodysplasia should alert the clinician to the possibility that a patient may have renal coloboma syndrome, a condition also known as papillorenal syndrome (OMIM#120330). The optic nerve findings could be described as a ‘dysplasia’, characterized by absent central vessels with the emergence of vessels from the periphery o...
leptospirosis, a disease of great significance in tropical countries, presents commonly as a biphasic illness with acute febrile episode in the first phase followed by a brief afebrile period and then by the second phase of fever with or without jaundice and renal failure. however, it has varied manifestations and unusual clinical features ascribed to immunological phenomena can occur due to th...
There are many causes of optic disc swelling in patients with chronic renal impairment. Broadly these fall into two groups. In the first group, optic nerve function is impaired from the onset of disease. These are usually (but not always) uniocular. These optic neuropathies are caused by the same underlying disease responsible for the renal impairment (vascular disease, vasculitis or more rarel...
Introduction: Multiple sclerosis (MS) is a chronic, autoimmune, and inflammatory nervous system disease. It leads to the loss of myelin in the white matter of brain, spinal cord and optic nerves. As a chronic disease with sudden and unpredictable Side effects and complications of the disease will lead to disability and dependency in life. Causes neurologic symptoms and sig. The purpose of the p...
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