Simulated visual field loss in mobile observers
نویسندگان
چکیده
منابع مشابه
visual 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...
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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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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 کاملInfluence of Hemianopic Visual Field Loss on Visual Motor Control
BACKGROUND Homonymous hemianopia (HH) is an anisotropic visual impairment characterized by the binocular inability to see one side of the visual field. Patients with HH often misperceive visual space. Here we investigated how HH affects visual motor control. METHODS AND FINDINGS Seven patients with complete HH and no neglect or cognitive decline and seven gender- and age-matched controls view...
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PURPOSE Age-related macular degeneration is the leading cause of vision loss among Americans aged >65 years. Currently, no effective treatment can reverse the central vision loss associated with most age-related macular degeneration. Digital image-processing techniques have been developed to improve image visibility for peripheral vision; however, both the selection and efficacy of such methods...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2004
ISSN: 1534-7362
DOI: 10.1167/4.11.15