Lutein is a powerful antioxidant from the carotenoid family & is very prevalent in the central area of the retina, called the macular. As our eyes are very susceptible to free radical damage Lutein's main role as an antioxidant appears to be to protect the eyes from this damage, reducing the risk of cataracts & macular degeneration. Zeaxanthin is another antioxidant which works hand in hand with Lutein in the protection of the eyes. Bilberry Extract has been used for many years to improve eye health. Rich in the flavonoid 'anthocyanoside', which is believed to be the active constituent of bilberries, that improve blood flow & therefore deliver oxygen to the eyes. The flavonoids have also been shown to help other eye conditions such as cataracts, retinopathy, night blindness & age related macular degeneration. Lycopene is a red carotenoid found mainly in tomatoes, which exhibit exceptional antioxidant properties. Lycopenehas been shown to protect the skin from photo-ageing as well as, in many studies protect the health of the prostate gl&. As an antioxidant it helps 'mop up' cell damaging free radicals, which have a major impact on ageing, eye health, infection & prostate health. Vision Formula combines all four of these high powered antioxidants & flavonoids with other important key antioxidants like, Zinc, Vitamin A, Vitamin C & Vitamin E, as well as Selenium & B vitamins, to give an outstanding Eye Health product to protect the eyes form daily irritants, cataracts & macular degeneration.