Autosomal dominant and recessive forms of retinitis pigmentosa affect both male and female populations equally; however, the less frequent X-linked form of the disease affects male recipients of the X-linked mutation, while females usually remain unaffected carriers of the RP trait.
Use cautiously with liver disease or alcoholism.
Others may develop the condition as part of another disorder, such as Kornzweig disease, Kearn-Sayre syndrome, Waardenburg syndrome, Alport syndrome, or Refsum disease.