Visual Recovery From Hypoxic Cortical Blindness During Childhood Computed Tomographic and Magnetic Resonance Imaging Predictors

doi:10.1001/archopht.1987.01060100073030

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Vol. 105 No. 10, October 1987

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Visual Recovery From Hypoxic Cortical Blindness During Childhood Computed Tomographic and Magnetic Resonance Imaging Predictors

Scott R. Lambert, MD; Creig S. Hoyt, MD; James E. Jan, MD; James Barkovich, MD; Olof Flodmark, MD, PhD

Arch Ophthalmol. 1987;105(10):1371-1377.

Abstract

• We reviewed the clinical courses and computed tomographic(CT) and magnetic resonance imaging (MRI) scans of 30 infantsand children with cortical blindness following hypoxic insults.The degree of injury to the striate and parastriate corticesand the area of the optic radiations were graded from 0 to 4by a neuroradiologist. Only two children had normal scans ofthe posterior visual pathway and both had favorable visual outcomes.The visual recovery differed significantly with respect to theage at which the hypoxic insult occurred and CT and MRI abnormalitiesin the area of the optic radiations, but not with abnormalitiesin the striate or parastriate cortices. Our results suggestthat CT and MRI scanning are helpful in prognosticating thevisual potential of children with hypoxic cortical blindness.

Author Affiliations

From the Departments of Ophthalmology (Drs Lambert and Hoyt) and Radiology (Dr Barkovich), University of California, San Francisco; and the Division of Child Neurology (Dr Jan) and Department of Neurology (Dr Flodmark), University of British Columbia, Vancouver, Canada.

Footnotes

Accepted for publication May 11, 1987.

Reprint requests to Department of Ophthalmology, Universityof California, San Francisco, Room A704, 400 Parnassus Ave,San Francisco, CA 94143 (Dr Hoyt).

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