The uvea is the middle layer of the eye beneath the white part of the eye (the sclera). It consists of the iris, ciliary body, and choroid. These structures control many of the functions of the eye such as adjusting to different levels of light or different distances of objects.
Evans M. Uveitis and other intraocular inflammations. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, Mo: Mosby Elsevier; 2008:chap 7.
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.