How is choroidal neovascularization (CNV) prevented?

Updated: Jul 27, 2020
  • Author: Lihteh Wu, MD; Chief Editor: Andrew A Dahl, MD, FACS  more...
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The Age-Related Eye Disease Study (AREDS) has shown that eyes with a high risk of developing CNV secondary to age-related macular degeneration benefit from antioxidants and zinc. The recommended daily dosages are 500 mg of vitamin C, 400 IU of vitamin E, 15 mg of beta carotene, 80 mg of zinc oxide, and 2 mg of cupric oxide. [54] Smokers should not take the AREDS formulation because beta carotene has been associated with an increased risk of developing pulmonary neoplasia.

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