#whatis Heterochromia is an alteration of pigmentation in which the irises of the eyes are distinct in color. This is a kind of mutation that causes the eyes to change hue due to lack of melanin.
Types of heterochromia of the eyes
-Complete heterochromia: It occurs when an eye is of each color.
-Partial heterochromia: It occurs when the same iris has several colors.
-Central heterochromia: It occurs when the same iris presents several colors arranged in concentric circles
Most cases of heterochromia are inherited, caused by a disease or syndrome, or due to injury.
Six out of 1,000 people present this feature. Another data collected by various scientific sites refers to a prevalence of 11 people out of 1,000 in the US.