WHAT IS HETEROCHROMIA?
The development of eye color is established by the time a child is 2 years old, meaning that the iris has become fully pigmented. There are 4 factors that determine eye color: Heredity/geneticsSympathetic stimulation of the iris melanocytes (cells that produce melanin in the eye),Melanocyte stimulating hormone (MSH), andBiochemical factors that impact the metabolism of...