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Heterochromia is when the iris of one or both eyes shows different colors. It can appear as one eye being a different color from the other, or as multiple colors within a single iris. This condition results from variations in melanin, the pigment that gives eyes their color. Heterochromia can be present at birth or develop later in life due to injury, disease, or certain medications. Most cases are harmless and do not affect vision.
read more about heterochromia ...Heterochromia develops when melanin is unevenly distributed in the irises. Congenital heterochromia is present from birth and often genetic. Acquired heterochromia develops later in life and can result from eye trauma, inflammation, glaucoma, or specific medications. Rarely, it can be linked to medical conditions such as Horner's syndrome or Waardenburg syndrome.
In most cases, heterochromia does not change how the eyes see. The variation is cosmetic rather than functional. If it appears later in life or comes with other symptoms such as pain, redness, or vision loss, it should be checked by an eye doctor to rule out underlying disease.
Doctors diagnose heterochromia through a simple eye exam. They assess iris color, look for signs of trauma or disease, and may recommend further testing if the change is new. Imaging, medical history, and blood tests can help identify if a systemic condition is involved. If congenital, no treatment is usually needed.
Yes, it is uncommon, but many cases are harmless and genetic.
No, there is no treatment to change the natural iris pigmentation, but colored contact lenses can adjust appearance.
Not always. Many people are born with it and have healthy eyes. If it appears later in life, it should be evaluated by an eye doctor.
If you notice a sudden change in the color of one or both eyes as an adult, schedule an eye exam immediately. Acquired heterochromia can be a symptom of underlying conditions such as inflammation (uveitis), trauma, or certain types of glaucoma that require medical management.