Many studies have shown that antioxidants and other nutrients may reduce your risk of developing cataracts and macular degeneration. Certain antioxidants have very specific benefits, for example: vitamin C can help prevent or alleviate glaucoma, whereas vitamin A can protect against blindness. Other nutrients such as omega-3 essential fatty acids help guard against macular damage and alleviate dry eye syndrome. In order to receive the proper amounts of micronutrients and vitamins beneficial to sight, .