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What does the coloured part of the eye or iris do?

April 26, 2017coloured eye IRIS

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What does the coloured part of the eye or iris do?

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The iris is flat and divides the front of the eye (anterior chamber) from the back of the eye (posterior chamber). Its color comes from microscopic pigment cells called melanin. The color, texture, and patterns of each person’s iris are as unique as a fingerprint.