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April 1955

Bilateral Homonymout HemianopsiaRelationship to Thrombosis of the Basilar Artery

Author Affiliations

Rochester, Minn.
From the Section of Ophthalmology (Drs. Kearns and Wagener) and the Section of Neurology (Dr. Millikan), Mayo Clinic and Mayo Foundation.; The Mayo Foundation is a part of the Graduate School of the University of Minnesota.

AMA Arch Ophthalmol. 1955;53(4):560-565. doi:10.1001/archopht.1955.00930010568016

Numerous reports in the literature concern bilateral homonymous field defects. In a few of the reported cases the right and left homonymous defects developed simultaneously. There is, however, a paucity of references attributing such field defects to occlusive disease of the basilar artery. Neither Walsh1 nor Duke-Elder2 mentioned this association. Thrombosis of the basilar artery is not common, and when such an event does occur the patient usually does not survive; occasionally it is not immediately fatal, as has been recently reported by Siekert and Sayre.3

REVIEW OF THE LITERATURE  The earliest report of bilateral homonymous field defects is probably that of Bramwell and associates,4 in 1915. Their patient exhibited sudden onset of bilateral homonymous field defects with preservation of central vision. This case is unusual in that the authors first saw the patient in 1888, two years after the onset of visual disturbances, and were

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