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What is Anatomy of the Iris Explained about?
The iris is the colored part of the eye that regulates the size of the pupil and the amount of light entering the eye. It is divided into three zones - the pupillary zone near the pupil, the ciliary zone near the outer edge, and the collarette ridge between them. The iris contains two layers - the anterior pigmented epithelium that determines eye color, and the stroma with muscles and vessels. The sphincter pupillae muscle circles the pupil and constricts it, while the dilator pupillae muscle runs radially
- Author
- Satyam Chaudhary
- Language
- EN