Visual Field Defects in Chiasmal Lesions

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Identifier 20210221_nanos_posters_089
Title Visual Field Defects in Chiasmal Lesions
Creator Laura Donaldson, Arshia Eshtiaghi, Edward Margolin
Subject Visual Fields; Neuroimaging; Tumors
Description Classic teaching states that compression of the optic chiasm impacts decussating nasal retinal axons producing a bitemporal hemianopia (BTH). In fact, visual field defects resulting from chiasmal lesions are quite variable1. Junctional scotoma (JXS) is thought to occur with compression of the optic nerve (ON)-chiasm junction where nasal axons from the contralateral eye have been described to make an anterolateral detour forming a structure called Wilbrand's knee2. We hypothesized that the pattern of visual field defect would be predicted by the radiologic appearance of a lesion and its location relative to the optic chiasm.
Relation is Part of NANOS Annual Meeting 2021: Poster Session II: Disorders of the Anterior Visual Pathway (Retina, Optic Nerve, and Chiasm)
Contributor Primary Laura Donaldson
Contributor Secondary Arshia Eshtiaghi, Edward Margolin
Publisher Spencer S. Eccles Health Sciences Library, University of Utah
Date 2021-02
Type Text
Format application/pdf
Source 2021 North American Neuro-Ophthalmology Society Annual Meeting
Rights Management Copyright 2021. For further information regarding the rights to this collection, please visit:
Holding Institution North American Neuro-Ophthalmology Association. NANOS Executive Office 5841 Cedar Lake Road, Suite 204, Minneapolis, MN 55416
Collection Neuro-ophthalmology Virtual Education Library: NOVEL
Language eng
ARK ark:/87278/s63g0k7f
Setname ehsl_novel_nam
Date Created 2021-03-22
Date Modified 2021-05-06
ID 1675832
Reference URL
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