Central heterochromia refers to presence of different colors in the same eye. The color in the center and periphery are different. Following are the possible causes of central heterochromia: - congenital - trauma to eye - inflammation of eye - tumor of iris - hemorrhage in eye - diabetes - pigment dispersion syndrome - Horner's syndrome Reference: https://www.healthline.com/health/central-heterochromia#outlook Image via: https://www.visioncenter.org/conditions/central-heterochromia/