منابع مشابه
Magnesium and Alzheimers Disease: The Cholinergic Hypothesis
The cholinergic deficit in Alzheimer’s disease (AD) remains the cornerstone for the understanding of chemical signal transfer. Hypofunctions of cholinergic systems are significantly involved in the signs and symptoms of senile dementia of the Alzheimer type. Cognitive deficits in AD have been widely associated with dysfunction of the cholinergic system. As a diagnostic marker of AD the activity...
متن کاملvisual field abnormalities in hearing loss adolescent boys
this study was intended to investigate the visual field status and its association with other visual parameters in adolescent boys and to compare these outcomes to hearing ones. in a cross-sectional study, visual fields (vf) of 64 adolescent boys with hearing impairments and 68 age-matched boys with normal hearing were evaluated among high school students of tehran, iran in 2013. they all had i...
متن کاملRadiologic-clinical correlation. Junctional visual field loss.
Nerve fibers originating in the retina follow a specific topographical arrangement in the optic nerve and chiasm. Compressive lesions at the junction of the intracranial optic nerve and optic chiasm can produce characteristic visual field defects. Optic nerve involvement at the junction of the optic chiasm results in unilateral visual field loss. If fibers from the inferonasal retina of the con...
متن کاملMultifocal visual evoked potential in nonorganic visual field loss.
OBJECTIVE To evaluate the use of multifocal visual evoked potentials in the diagnosis of nonorganic visual field loss. METHODS Five patients with unexplained visual field loss underwent full neuro-ophthalmic examination, Humphrey visual field testing, and multifocal visual evoked potential testing using the Accumap objective perimeter (ObjectiVision Pty Ltd, Sydney, Australia). RESULTS In a...
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ژورنال
عنوان ژورنال: Eye
سال: 2002
ISSN: 0950-222X
DOI: 10.1038/sj/eye/6700037