What Is the Dark Ring around the Iris?

Answer

The dark ring around the iris is called limbal ring. The color of limbal rings becomes less prominent as a person ages. Wearing contact lenses can give emphasis to the limbal ring.
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Q&A Related to "What Is the Dark Ring around the Iris"
You are Awakening.
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The ring around the moon is considered to be ice particles that are suspended. As light shines though them it appears as a ring around the moon. You can find more information here
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In eyes of all colors, the iris pigment epithelium contains the
http://www.chacha.com/question/why-are-there-black...
Very interesting. It appears to be some type of central heterochromia. Source(s): Former anatomy teacher
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