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 visua