Corneal ulcers are open sores on the layer of the eye that covers the iris and pupil. People who wear contact lenses can be more susceptible to corneal ulcers. A 25-year-old woman nearly lost her eye ...

The colored part of the eye surrounding the pupil is called the iris. It automatically regulates the amount of light entering the eyes by regulating the size of the pupil. Light is the primary ...

Dr. Rosen answers the question: 'How Does the Eye Function?' Aug. 24, 2009— -- Question: What are the key parts of the eye that help it function properly? Answer: The eye is like a camera : The ...

October 14, 2011 (UPDATED October 17, 2011) — Keratopigmentation (KTP) can now be done with new micronized mineral pigments and new surgical techniques, which makes it possible to manage moderate to ...

Developed by researchers at Japan's Kyoto University, the tool is specifically a cornea-on-a-chip – the cornea is the transparent front section of the eye, that covers the pupil, iris and anterior ...

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