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Question

What forms the iris?


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Solution

Iris:

  1. The iris is a circular colored part of the eye.
  2. It is a part of the vascular layer of the eye along with choroid and the ciliary body.
  3. The adjustable central opening of the iris is called the pupil.
  4. There are smooth muscle fibers within the iris, that control the size of the pupil .

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