Digestive Diseases and Sciences

, Volume 28, Issue 1, pp 85–87 | Cite as

Zinc-deficiency-induced retinal dysfunction in Crohn's disease

  • Craig J. McClain
  • Le-Chu Su
  • Howard Gilbert
  • Douglas Cameron
Case Report

Summary

A patient with Crohn's disease and low serum zinc concentrations is presented who had markedly abnormal dark adaptation. Oral zinc supplementation produced an improvement in dark adaptation, and discontinuation of zinc therapy was associated with a worsening of dark adaptation. Serum vitamin A levels were normal throughout this period. We suggest that impaired retinal function is another manifestation of zinc deficiency in Crohn's disease that may be improved with zinc supplementation.

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Copyright information

© Digestive Disease Systems, Inc. 1983

Authors and Affiliations

  • Craig J. McClain
    • 1
    • 2
    • 3
  • Le-Chu Su
    • 1
    • 2
    • 3
  • Howard Gilbert
    • 1
    • 2
    • 3
  • Douglas Cameron
    • 1
    • 2
    • 3
  1. 1.Department of Internal MedicineMinneapolis VA Medical Center and University of MinnesotaMinneapolis
  2. 2.Graduate Faculty, Food Science and NutritionUniversity of MinnesotaMinneapolis
  3. 3.Departments of OphthalmologyMinneapolis VA Medical Center and Hennepin County Medical CenterMinneapolis

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