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Learn about the different types, colors, and features of irises, a popular flower that attracts butterflies and hummingbirds. Find out how to plant, grow, and care for irises in full sun and well-draining soil, and how to divide them for more blooms.
Other articles from almanac.com
- Iris Anatomy & Functions
- Treatment For Iris and Pupil Problems
- Other Parts of The Eye
The iris is the colored part of the human eye and a component of the uvea. Also known as the uveal layer or uvea coat, the uvea is a pigmented layer found between the retina and the sclera (white of the eye). In addition to the iris, the uvea also consists of the choroid and ciliary body. The choroid is a vascular layer found between the retina and...
Routine eye exams are essential. They help detect eye issues before they become worse. Your doctor can also provide medical advice on eye care. This helps prevent avoidable eye problems. Treatment options for iris disorders include: 1. Artificial Iris. When you have a dysfunctional iris, you can get an implant. For example, CustomFlex Artificial Ir...
The cornea. The clear bulging surface of the eye.Sclera. The white part of the eye.Eyelids. The protective skin that closes over the eye.Learn about the iris, the colored part of your eye that controls your pupil and helps you see in different lighting. Find out how to keep your iris healthy and what problems can affect it.
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.
The iris is the colored part of the eye that controls the size of the pupil and regulates the amount of light entering the eye. Learn about the structure, function, and variations of the iris, as well as its relation to eye color and inflammation.
- The Editors of Encyclopaedia Britannica
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Aug 8, 2022 · Learn about the iris, the colored part of the eye that regulates light and focus. Find out about its anatomy, function, associated conditions, and tests.
Iris is a flowering plant genus of 310 accepted species 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.
