| http://www.w3.org/ns/prov#value | - can contribute to oxidative stress and free-radical damage to the eyes.* Zinc converts Vitamin A into retinal.* The body uses retinal to form rhodopsin, a protein in the retina that is responsible for helping eyes adapt to color, visual images and darkness, particularly important for night vision.* More Than A Multiple??? with Vision Essentials includes vital antioxidants such as Vitamin C and Bet
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