Transient Blindness Following Head Injury in Children

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Abstract
Seven patients aged six to 16 years, had transient total blindness following seemingly trivial blunt head trauma. The blindness persisted for a few minutes to three to four hours. With one exception, there were no other ocular abnormalities. Bilateral occipital slowing was noted on the electroencephalogram in the early post-traumatic period. Restlessness and agitation were prominent during the period of blindness, but behavior reverted to normal with the return of vision. Recovery was complete in every case. The type of trauma frequently involving the parieto-occipital regions, the prominence of posterior slowing on the electroencephalogram and the absence of associated ocular abnormalities when the blindness was complete suggest some type of temporary cerebral dysfunction, although the precise mechanism is obscure.

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