Skin/hair/eye Pigmentation, Variation in, 2, also known as uv-induced skin damage, susceptibility to, is related to schizophrenia and xeroderma pigmentosum, complementation group a. An important gene associated with Skin/hair/eye Pigmentation, Variation in, 2 is MC1R (Melanocortin 1 Receptor). Affiliated tissues include skin and eye.