Artificial iris
Artificial Iris
The Artificial Iris (pronounced: /ɑːrˈtɪfɪʃəl ˈaɪrɪs/) is a medical device used in the field of Ophthalmology to replace a damaged or missing iris in the human eye.
Etymology
The term "Artificial Iris" is derived from the English words "artificial", meaning made or produced by human beings rather than occurring naturally, and "iris", which in this context refers to the circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.
Usage
The Artificial Iris is used in the treatment of aniridia, a rare congenital condition where the iris is completely or partially absent, and other iris defects. It is also used in cosmetic procedures to change eye color. The device is usually implanted during a surgical procedure and can significantly improve the patient's quality of life by reducing light sensitivity and improving visual acuity.
Related Terms
- Aniridia: A condition characterized by the underdevelopment or absence of the iris in the eye.
- Iris (anatomy): The thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil.
- Ophthalmology: The branch of medicine that deals with the diagnosis and treatment of eye disorders.
- Pupil: The black circular opening in the iris that lets light in.
- Retina: The light-sensitive layer of tissue at the back of the inner eye.
External links
- Medical encyclopedia article on Artificial iris
- Wikipedia's article - Artificial iris
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