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With Reference to the Midline at the Boundary of a Homonymous Hemianopia

Morton S. Corin, MD; Morris B. Bender, MD

Arch Neurol. 1972;27(3):252-262.

Abstract
Nineteen patients with homonymous visual field defects due to cerebral lesions mislocalized targets at the midline of the visual field, or at the midvertical boundary of homonymous visual field defects.

The mislocalization was to the "good side" and away from the patient. Eight patients with temporal hemianopias due to lesions of the optic chiasm localized targets correctly. It is postulated that the mislocalizations at the vertical border and in depth are due to other concomitant cerebral dysfunctions caused by the brain lesion.

Such patients demonstrate a change in their entire visual perception, not only in the blind field.

Author Affiliations
New York

From the Department of Neurology, Mount Sinai School of Medicine, New York (Dr. Bender). Dr. Corin is now with the Wilford Hall Hospital, Lack land Air Force Base, San Antonio, Tex.

Footnotes
Accepted for publication April 26, 1972.

Reprint requests to Department of Neurology, Mt. Sinai School of Medicine, 100 St and Fifth Ave, New York, NY 10029 (Dr. Bender).

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