Yes, if you already have the potentially blinding condition but it’s not too advanced. In a study of 4,757 people, those with moderate macular degeneration who took a daily antioxidant eye supplement (Ocuvite PreserVision and others) cut the risk of further retinal damage by 25 percent. But talk with your ophthalmologist first, since high doses of some antioxidants in the pills have been linked to health risks: beta-carotene with lung cancer in smokers, for example, and vitamin E with heart failure in people with diabetes.