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Related Experiment Videos

Diet and nuclear lens opacities

J A Mares-Perlman1, W E Brady, B E Klein

  • 1Department of Ophthalmology and Visual Sciences, University of Wisconsin Medical School, Madison.

American Journal of Epidemiology
|February 15, 1995
PubMed
Summary

Dietary intake, including specific nutrients and foods, may reduce the risk of nuclear opacities (nuclear sclerosis) in the eye, particularly in men. Supplement use also showed protective associations.

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Area of Science:

  • Ophthalmology
  • Nutritional Science
  • Epidemiology

Background:

  • Nuclear opacities, or nuclear sclerosis, are a common cause of vision impairment in aging populations.
  • Dietary factors are increasingly recognized for their potential role in eye health and disease prevention.

Purpose of the Study:

  • To investigate the relationship between dietary intake and the development of nuclear opacities in a population-based cohort.
  • To identify specific nutrients and food groups associated with reduced risk of nuclear sclerosis.

Main Methods:

  • Utilized data from the Beaver Dam Eye Study, including lens photographs and dietary information from food frequency questionnaires.
  • Employed logistic regression analyses to evaluate associations between nutrient and food intake and the severity of nuclear sclerosis.

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  • Controlled for potential confounding factors such as age, smoking, and alcohol consumption.

    • Main Results:

    • In men, higher intake of numerous nutrients was associated with a 40-50% reduced odds of severe nuclear sclerosis.
    • Associations with certain nutrients (vitamins A, C, E, B vitamins) were partly explained by multivitamin use.
    • Intake of folate, alpha-carotene, and dietary fiber, particularly from vegetables, showed inverse associations with nuclear sclerosis, especially in men.

    Conclusions:

    • Dietary supplement use and consumption of specific foods, notably vegetables, may play a significant role in mitigating the risk of nuclear sclerosis.
    • The observed associations between nutrients and nuclear sclerosis risk appear to be influenced by both supplement intake and food consumption patterns.
    • Findings suggest potential dietary interventions for preventing or delaying the progression of nuclear opacities.