Question:

What is the main function of iris???!!?

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What is the main function of iris???!!?

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  1. To control the amount of light let into the pupil.


  2. it's the muscle that contorls the amount of light let into the pupil, by increasing/decreasing the size.

  3. regulate light entering the retina (eye).

  4. Iris is a dark muscular diaphgram located behind the cornea.

    Iris controls the size of the pupil.Pupil controls and regulates the amount of light entering the eye.

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