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I have the same thing....and my brother and sister do too...my parents dont though...nor do my grandparents...they whole family has blue eyes except us....its weird. Im always wearing sunglasses though because my eyes are way too snsitive to light.

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15y ago
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14y ago

It's called the pupil, and it expands when there is little light and shrinks when there is a lot of light.

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Wiki User

11y ago

The outside boundary of the iris, part of the iris. Perfectly normal.

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Q: What is the black circle in the middle of the iris?
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