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Article
May 1979

Hysterical HemianopiaThe 'Missing Half' Field Defect

Author Affiliations

From the Department of Neurology, Los Angeles County-University of Southern California Medical Center, Los Angeles.

Arch Ophthalmol. 1979;97(5):865-866. doi:10.1001/archopht.1979.01020010423002
Abstract

• Hysterical hemianopias are uncommon and usually occur in association with other lateralized complaints. The most frequent pattern consists of decreased vision in one eye, an ipsilateral hemianopia on testing the "affected" eye, full fields in the other eye, and a complete hemianopia toward the affected side on testing with both eyes open. The incompatibility of the monocular and binocular fields quickly demonstrates the functional nature of this alleged visual loss.

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