PT - JOURNAL ARTICLE AU - Habib Ur Rehman, MBBS TI - Heterochromia AID - 10.1503/cmaj.070497 DP - 2008 Aug 26 TA - Canadian Medical Association Journal PG - 447--448 VI - 179 IP - 5 4099 - http://www.cmaj.ca/content/179/5/447.short 4100 - http://www.cmaj.ca/content/179/5/447.full SO - CMAJ2008 Aug 26; 179 AB - Abstract: A patient was noted to have 2 different eye colours and miosis in her left eye. She ultimately received a diagnosis of congenital Horner syndrome. Determinants of eye colour and possible clinical significance are discussed.