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1:15
YouTube
Contact Lens King
The Iris of the Eye | How the Eye's Iris Works | The Purpose of the Iris | What is the Iris?
The IRIS of the Eye, How the Iris Works and The Purpose of the Iris What is the Iris? The iris is a flat, ring-shaped membrane, behind the cornea of the eye. It has an adjustable circular opening in the center, called a pupil. The iris, is also the pigmented part, which expresses eye color. This eye color, expresses itself, during the presence ...
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