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Ophthalmology & Optometry/How does an eye injury cause heterochromia?

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Question
Hello doctor i was wondering if you could answer this question for me ,I have heard that injury's to the eye can cause a change in eye (iris) color like heterochromia ,so I was wondering how this happens? What kind of injury causes it? and does the whole of the iris change to a different color ,If so what color? Thanks

Answer
Dear Terry,

Iris color is determined by its pigment called melanin. Though it is very uncommon but loss of Melanin due to penetrative injury may cause heterochromia.

Heterochromia is mostly due to genetic reasons, uni-ocular Iritis, Iris atrophy etc.

Regards.
Optom.Amit Sharma

Ophthalmology & Optometry

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Optom. Amit Sharma

Expertise

Happy to answer any question related to the field of Optometry and opticals. Specialize in Corneal, corneal-limbal and Scleral RGP (Rigid Gas Permeable ) contact lenses for keratoconus, post lasik ectasia , dry eyes, etc,

Experience

I have been in the field of Optometry since 1989 . Worked as an Optometrist at Shroff Eye Centre New Delhi (INDIA) for 4 years. Established my own Optometry clinic In 1997 and have been practicing since then.

Organizations
OPTOMETRY CLINIC FOR SCLERAL AND CORNEAL RGP LENSES, SPECTIQUE INDIA, (www.spectiqueindia.net)

Education/Credentials
M.Optom D.Opt.(AIIMS)

Awards and Honors
Optometrist of the year 2009 Award by Cooper Vision.

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