Questions tagged [iris]

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Do hazel-colored eyes change colors (depending on surroundings) or is that an optical-illusion? Why is the hazel pigment so sensitive to light?

Do hazel-colored eyes change colors (depending on surroundings) or is that an optical-illusion? Why is the hazel (and blue) pigment so sensitive to light?
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What is this dot on the iris?

I have a black dot on my iris. Is there a medical term for this? Can it be dangerous?