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Related Experiment Videos

Night blindness after jejunoileal bypass surgery.

W T Parker, G S Clorfeine, G F Longstreth

    The American Journal of Gastroenterology
    |July 1, 1985
    PubMed
    Summary

    Jejunoileal bypass surgery can lead to vitamin A deficiency, causing night blindness. Early detection and vitamin A supplementation can restore vision and prevent permanent impairment.

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    Area of Science:

    • Ophthalmology
    • Nutritional Science
    • Gastroenterology

    Background:

    • Jejunoileal bypass surgery, a bariatric procedure, can lead to malabsorption of nutrients.
    • Vitamin A deficiency is a known complication that can affect vision.

    Observation:

    • A 53-year-old woman presented with nyctalopia (night blindness) nine years post-jejunoileal bypass.
    • Ophthalmic examination revealed abnormal rod function via dark-adapted electroretinography.
    • Serum analysis confirmed vitamin A and carotene deficiency.

    Findings:

    • Oral vitamin A supplementation completely resolved the patient's night blindness.
    • Electroretinography returned to normal following vitamin A repletion.
    • This case, along with four prior reports, highlights a pattern of visual disturbance post-surgery.

    Implications:

    • Jejunoileal bypass patients should be routinely screened for night vision complaints.
    • Ophthalmic evaluation, including electroretinography and vitamin A levels, is crucial for diagnosis.
    • Timely identification and treatment of vitamin A deficiency can prevent irreversible vision loss.

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