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 uvea and supplies nutrients to the inner parts of the eye. Inflammation of the choroid is called choroiditis.
Regatieri CVS, Roh S, Weiter JJ. Retinal and choroidal circulation. In: Yanoff M, Duker JS, eds. Ophthalmology. 4th ed. Philadelphia, PA:Elsevier Saunders; 2014:chap 6.3.
Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.