The visual function of the vitamins A.
D006801:Humans; D050356:Lipid Metabolism; D012168:Retinal Pigments / Q000378:metabolism*; D014801:Vitamin A / Q000378:metabolism*; D014815:Vitamins
D012168:Retinal Pigments; D014815:Vitamins; D014801:Vitamin A
RETINAL PIGMENTS/metabolism; VITAMIN A/metabolism