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Mary B. Connolly, MB, MRCPI, MRCP(UK); James E. Jan, MD, FRCPC; Douglas D. Cochrane, MD, FRCSC

Arch Neurol. 1991;48(9):956-957.

Abstract
• Three children with congenital hydrocephalus are described in whom increased intracranial pressure was associated with severe, long-lasting cortical visual impairment. Following shunt revisions or reconstructive craniotomies, visual improvement began within hours. It is speculated that increased intracranial pressure can occasionally result in chronic hypoperfusion of the parietal-occipital lobes, either due to posterior cerebral artery compromise secondary to transtentorial pressure gradient or to direct compression of cerebral tissues.

Author Affiliations
From the Division of Child Neurology, Department of Paediatrics (Drs Connolly and Jan) and Department of Surgery (Dr Cochrane), University of British Columbia, Vancouver.

Footnotes
Accepted for publication April 4, 1991.

Reprint requests to the Visually Impaired Program, British Columbia's Children's Hospital, 4480 Oak St, Vancouver, British Columbia, Canada V6H 3V4 (Dr Jan).

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