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The iris is the colored part of your eye. Muscles in your iris control your pupil. This helps you see clearly and adjust to changes in lighting.
Iris (anatomy) - Wikipedia
5,107 Iris Eye Stock Photos, High-Res Pictures, and Images - Getty Images, Iris
Iris , fire force myanimelist
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Structure And Function Of The Eye - Vision - MCAT Content
5,107 Iris Eye Stock Photos, High-Res Pictures, and Images - Getty Images, Iris
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External and internal eye anatomy: MedlinePlus Medical
Iris of the Eye: Anatomy, Functions & Associated Conditions