Vitamin A is good...: Lutein, zeaxanthin, and omega 3 fatty acids may help with macular degeneration and are found in many fruits and vegetables, fish, egg yolks etc. (as well as supplements). Exercising regularly helps, unquestionably. The antioxidants in green tea may be of some help. Research on this, as with every topic, is ongoing.
Answered 2/6/2019
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Many things: Vitamin a (found in carrots) is one of many chemicals needed and used by the eyes. Interestingly, most amereicans actually do get enough vitamins and minerals to maintain the health of their eyes, and supplements have not been shown to improve vision. Vitamins a, e, c, zinc, and possibly lutein have been shown to decrease the risk of macular degeneration in those at risk.
Answered 8/28/2013
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