Albinism in humans Albinism in humans Albinism is a congenital disorder characterized in humans by the complete or partial absence of pigment in the skin, hair and eyes. Albinism is associated with a number of vision defects, such as photophobia, nystagmus, and amblyopia. Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers. In rare cases such as Chédiak–Higashi syndrome, albinism may be associated with deficiencies in the transportation of melanin granules. This also affects essential granules present in immune cells leading to increased susceptibility to infection. Albinism results from inheritance of recessive gene alleles and is known to affect
John Ritter known as a coloboma in his right eye. His father, Tex Ritter, was a singing cowboy/matinee star, and his mother, Dorothy Fay (née Southworth), was an actress. He had an older brother, Thomas Matthews "Tom" (born January 8, 1947). Ritter attended Hollywood High School, where he was student body president. He attended the University of Southern California and majored in psychology with plans to have a career in politics. He later changed his major to theater arts and attended the USC School of Dramatic Arts (formerly School of Theatre). Ritter was a member of Phi Gamma Delta fraternity at USC.