Common "Iris Color" queries answered by top doctors | iCliniq

Iris Color

Iris color is an important physical characteristic in all human beings. It is determined by the melanocytes and extracellular matrix components of the eye. In humans, the iris color may vary from light blue to dark brown. Darker iris color is associated with a reduced risk of ocular uveal melanoma.

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All the answers published in this website are written by verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

With a 20x magnification glass, I noticed that the bottom of the iris of my eyes looks different from usual. Why?

Query: Hello doctor,I recently purchased a new mirror with 20x magnification, and I noticed that the bottom of the irises in both of my eyes lacks the usual appearance of arteries or veins. Instead, it appears as if there is a straight line and a slightly lighter color at the bottom. I do not experience an...  Read Full »


Dr. Aditi Dubey

Answer: Hello, Welcome to icliniq.com. I can understand your concern. Of course, having good eyesight is a boon these days in the modern era. I have examined your eye in detail, good news is that the iris, pupil, cornea, conjunctiva, sclera, and eyelids appear to be absolutely fine. Iris is composed of c...  Read Full »

Can trauma change the color of the iris?

Query: Hi doctor, I have read articles regarding blunt trauma to the eyeball, it state that trauma changes the color of the iris. My query is, why does the color change happen? Does the whole of the iris change color from blue to brown? Is there anything to do with pigmentation? Please help.  Read Full »


Dr. Shachi Dwivedi

Answer: Hello, Welcome to icliniq.com. Yes, trauma can change the color of the iris. This is because of iris atrophy. The iris involved in trauma turns white or grey due to a lack of blood supply to the affected area. This change does not include the whole iris. I hope this clears your doubt. Regards.  Read Full »

Does prolonged use of Prozac cause darkening of the iris?

Query: Hi doctor,I have been taking Prozac for about six years. And I have noticed that my eye color looks much darker, I tried to research this online, but nothing came up apart from how Prozac can increase melanin melanocytes in the skin. Could this all so mean it affects the pigments in the iris, causin...  Read Full »


Dr. Akshay Uday Nayak

Answer: Hello, Welcome to icliniq.com. I hope you are otherwise hale and hearty. I have understood your query, and I would like to tell you that there is nothing really to be anxious about. Prozac or, generically, Fluoxetine can, in the long run, cause pigmentation of the skin. There have, however, been n...  Read Full »

A newborn has rainbowish type of iris. Why?

Query: Hi doctor, My baby is one month old and has a certain type of rainbowish type of layers in eyes or let us say some part looks darker and some looks lighter in the iris. It looks as if scratches or as if the little part of dark color with the rainbowish look. What might it be?  Read Full »


Dr. Manjunath Natarajan

Answer: Hello, Welcome to icliniq.com. The medical terminology for having different colors at different parts of the iris is heterochromia iridis. Although some people naturally have this since birth, it could be a possible early sign of a few eye related disorders. I would also consider you lucky, thanks...  Read Full »

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