Uvea
The uvea is the middle layer of the eye. It lies beneath the white part of the eye (the sclera). It is made of the iris, ciliary body, and choroid. These structures control many eye functions, including adjusting to different levels of light or distances of objects. Inflammation of one or more of these structures is called uveitis.
Sclera
The sclera is the white outer coating of the eye. It is tough, fibrous tissue that extends from the cornea (the clear front section of the eye) to t...
Read Article Now Book Mark ArticleIris
The iris is the colored part of the eye. It is located between the cornea and lens. The round, central opening of the iris is called the pupil. Ve...
Read Article Now Book Mark ArticleCiliary body
The ciliary body is a circular structure that is an extension of the iris, the colored part of the eye. The ciliary body produces the fluid in the e...
Read Article Now Book Mark ArticleChoroid
The choroid is the layer of blood vessels and connective tissue between the white of the eye and retina (at the back of the eye). It is part of the ...
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Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
Evans M. Anatomy of the uvea. In: Yanoff M, Duker JS, eds. Ophthalmology. 6th ed. Philadelphia, PA: Elsevier; 2023:chap 7.1.
Taber's Cyclopedic Medical Dictionary. 24th ed. F.A. Davis Company; 2021. www.tabers.com/tabersonline/view/Tabers-Dictionary/770909/0/uvea?q=uvea. Accessed November 3, 2023.
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