Hypercarotenemia and Vitamin a Deficiency, Autosomal Dominant, also known as vitamin a deficiency, is related to keratomalacia and xerophthalmia. An important gene associated with Hypercarotenemia and Vitamin a Deficiency, Autosomal Dominant is BCO1 (Beta-Carotene Oxygenase 1), and among its related pathways/superpathways are Metabolism and Metabolism of water-soluble vitamins and cofactors. The drugs Prednisolone and Prednisolone acetate have been mentioned in the context of this disorder. Affiliated tissues include eye and skin, and related phenotypes are Negative genetic interaction between PTTG1-/- and PTTG1+/+ and Reduced mammosphere formation