What Are The Causes?
Heterochromia can be the result of too much or too little pigment in the iris (or part of the iris) of one eye. This can be because of genetics or because of disease or injury.
Heterochromia is a autosomal disease, caused by Trisomy 8, but it can also have other causes that can be effected by how you live out your life. These include
See, eye color usually comes from the amount of pigment in the front part of the iris of the eye (called the stroma). Little or no pigment gives blue eyes, some pigment gives green and lots of pigment gives brown eyes.
Some causes include: