With Vitamin A, B2 & Zinc to contribute to the maintenance of normal vision Contains Bilberry, Alpha Lipoic Acid, Mixed Carotenoids & 9 Essential Nutrients Suitable for vegetarians and vegans Natures Aid Lutein Eye Complex with Bilberry contains Vitamins A, B2 (Riboflavin) and Zinc which contribute to the maintenance of normal vision. To be able to see an object, the light reflected from it needs to fall onto the seeing part of our eyes (retina), having been focused by the lens. The visual image is then created by more than 120 million nerve cells and relayed along the optic nerve to the brain. A number of nutrients are required by the eye to ensure that this complicated process works effectively.