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October 1991

Isolated Congenital Hemianopia Caused by Prenatal Injury to the Optic Radiation

Author Affiliations

From the Departments of Neurology, Neurosurgery, and Ophthalmology (Drs Ragge and Hoyt) and Radiology (Dr Barkovich), School of Medicine, University of California, San Francisco, and the Department of Ophthalmology, Emory University School of Medicine, Atlanta, Ga (Dr Lambert).

Arch Neurol. 1991;48(10):1088-1091. doi:10.1001/archneur.1991.00530220110030

• Isolated congenital hemianopias are typically caused by developmental abnormalities of the occipital lobe cortex. We describe two patients with an incidental partial hemianopia associated with unilateral periventricular leukomalacia that was acquired prenatally. Magnetic resonance imaging scans suggest a late second or early third trimester unilateral cerebral ischemic event.

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