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iris, in anatomy, the colored muscular part of the eye surrounding the pupil, the small black opening in the center. The iris is located in front of the lens and behind the cornea. It is bathed in front and behind by a fluid known as the aqueous humor.
Feb 20, 2022 · The iris is the colored part of your eye. Muscles in your iris control your pupil — the small black opening that lets light into your eye. The color of your iris is like your fingerprint. It’s unique to you, and nobody else in the world has the exact same colored eye.
Aug 8, 2022 · The iris is a circular, colored structure that sits in front of the lens within the coronal plane towards the front of the eye.
Jun 5, 2024 · iris, (genus Iris ), genus of about 300 species of flowering plants, including some of the world’s most popular and varied garden flowers. The diversity of the genus is centerd in the north temperate zone, though some of its most handsome species are native to the Mediterranean and central Asian areas.
The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. Eye color is defined by the iris. Etymology.
Feb 14, 2020 · Uveitis. Uveitis is inflammation of the middle layer of the eyeball. It is caused by infection, exposure to toxins, or trauma to the eye. The inflammation causes the covering of the eye (conjunctiva) to look red instead of white. The iris can also become stuck to the lens, causing it to change color.
Jun 17, 2024 · Photographers like Mitchell Zeer, founder of Iris Photo, are placing the spotlight on our mesmerizing orbs. Through macro photography, high-resolution images of our irises (the colored circle around our pupils) are transformed into otherworldly deserts and galaxies. Irises are unique for each person, just like our fingerprints.
Iris is a flowering plant genus of 310 accepted species [1] with showy flowers. As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera.
Iris recognition biometric systems apply mathematical pattern-recognition techniques to images of the irises of an individual's eyes.. Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex patterns are unique, stable, and can be seen from some distance.The discriminating powers of all biometric technologies depend on the amount of entropy ...
