Altitudinal Hemianopia: Lesion & Causes - Medicalopedia
2012年4月2日 · Altitudinal hemianopia comprises defective vision in the upper or lower horizontal half of the visual field. It may be unilateral or bilateral; unilateral field defect is prechiasmal. Upper Altitudinal Hemianopia is caused as a result of destruction of bilateral destruction of lingual gyri.
Visual Fields in Brain Injury - Hemianopsia
Altitudinal Hemianopsia from the Occiptal Lobe: Most altitudinal hemianopsia are seen clinically from lesions of the optic nerves from conditions such as ischemic optic neuropathy. However, bilateral lesions on the opposite sides of the occipital lobe, with either both above or both below the calcarine fissure can produce two quadranopsia that ...
Bilateral Superior Altitudinal Hemianopia: Missing the Goal, …
2010年3月1日 · We report a patient who had an ischemic stroke with a pure bilateral superior altitudinal hemianopia resulting from bilateral ischemia in the optic radiation. This symptom was first overlooked and a delusion was suspected. A thorough clinical examination is essential to avoid any misdiagnosis or to overlook correct treatment.
Visual Field Deficit - FPnotebook.com
Subtypes include altitudinal hemianopsia, characterized by a visual defect above or below the horizontal meridian of the visual field. Homonymous hemianopsia refers to a visual defect that affects both eyes equally, and occurs either to the left or right of the midline of the visual field.
Altitudinal hemianopsia: a case report and mini-review - PubMed
Altitudinal hemianopsia is a relatively rare visual field defect. A case report is presented describing a patient suffering from sudden-onset traumatic altitudinal hemianopsia. Other conditions which may produce sudden or gradual onset altitudinal hemianopsias are discussed.
Bilateral Superior Altitudinal Hemianopsia with Macular …
We report a case of bilateral superior altitudinal hemianopsia (BSAH) secondary to pituitary microadenoma related inferior optic chiasm damage. A 69-year-old-female developed a BSAH with macular involvement that was initially considered as ...
Altitudinal Hemianopia: Report of Two Cases - ScienceDirect
Defect or loss of the upper or lower visual half-field is termed altitudinal or horizontal hemianopia. This may be superior or in ferior, unilateral or bilateral, and, if the latter, crossed or uncrossed. According to Traquair, 1 it is very rarely a true hemi anopia, but usually a wide sector defect.
Hemianopsia - MeSH - NCBI - National Center for Biotechnology Information
Hemianopsia. Partial or complete loss of vision in one half of the visual field(s) of one or both eyes. Subtypes include altitudinal hemianopsia, characterized by a visual defect above or below the horizontal meridian of the visual field.
Altitudinal hemianopia (Concept Id: C0271205) - National Center …
A case report of bilateral superior altitudinal hemianopia with cerebral infarction.
Multiple cranial nerve palsies with altitudinal hemianopsia …
Multiple cranial nerve palsies with altitudinal hemianopsia following traumatic brain injury in remote area: A case report. Author (s): Fredric Zulkifly, Gabrielle Nathania, Tiono Budi Gouw and Helen Anastasia Manoe. Cranial nerve injury (CNI) is …
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