Heterochromia

Not to be confused with Heterochromatin or Dichromatic (disambiguation).
Heterochromia
Complete heterochromia iridum
SpecialtyOphthalmology 
SymptomsDifferent or partially different eye color
DurationLifelong
TreatmentIris implant surgery (controversial for cosmetic purposes)

Heterochromia is a variation in coloration most often used to describe color differences of the iris, but can also be applied to color variation of hair or skin. Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment). It may be inherited, or caused by genetic mosaicism, chimerism, disease, or injury. It occurs in humans and certain breeds of domesticated animals.

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