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AMD and micronutrient antioxidants.

Ruth Hogg1, Usha Chakravarthy

  • 1Ophthalmology & Vision Science, Institute of Clinical Science, The Royal Victoria Hospital, Belfast, Northern Ireland.

Current Eye Research
|March 15, 2005
PubMed
Summary
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Oxidative stress is a key factor in age-related maculopathy (ARM) and age-related macular degeneration (AMD). Dietary interventions and antioxidant supplementation show promise in preventing disease progression.

Area of Science:

  • Ophthalmology
  • Nutrition Science
  • Gerontology

Background:

  • Age-related maculopathy (ARM) is a prevalent condition, with its advanced form, age-related macular degeneration (AMD), causing significant vision loss.
  • Oxidative stress is increasingly recognized as a critical factor in the pathogenesis of ARM and AMD.
  • Dietary factors and antioxidant balance are being investigated for their potential role in managing ARM and AMD.

Purpose of the Study:

  • To comprehensively review the existing clinical literature on the link between diet, nutrition, and the risk of developing ARM and AMD.
  • To assess the evidence supporting the role of oxidative stress in ARM pathogenesis.
  • To evaluate the potential of nutritional interventions in preventing AMD progression.

Main Methods:

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  • Systematic review of published case-control, population-based, and interventional studies concerning ARM.
  • Analysis of serum micronutrient levels in patients with wet AMD.
  • Examination of findings from major controlled clinical trials like the Age-Related Eye Diseases Study (AREDS).

    • Main Results:

    • Compelling evidence suggests that lifetime oxidative stress significantly contributes to the development of ARM.
    • Consistent reports indicate reduced serum micronutrients in individuals with wet AMD, though causal links remain circumstantial.
    • The Age-Related Eye Diseases Study demonstrated positive outcomes, suggesting supplementation can help prevent ARM progression to AMD.

    Conclusions:

    • Oxidative stress is a crucial element in the development of age-related maculopathy.
    • Diet and nutritional status are important considerations in ARM and AMD risk and progression.
    • Antioxidant supplementation, as supported by studies like AREDS, offers a promising strategy for managing and potentially preventing advanced AMD.