Reversible night blindness associated with intestinal bypass surgery

American Journal of Ophthalmology
G C BrownW E Benson

Abstract

A 33-year-old man had a sudden onset of night blindness 3 1/2 years after intestinal bypass surgery for morbid obesity. Ocular examination disclosed a probable Bitot's spot and electrophysiologic testing showed markedly impaired dark adaptation and subnormal electroretinography. After therapy with orally administered vitamin A, the night blindness disappeared and the dark adaptation curve and electroretinogram returned to normal.

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May 1, 1982·American Journal of Ophthalmology·T W GardnerR Wertz
May 1, 1994·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·J C Hart, D Papakostopoulos
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