The conjunctiva is a thin membrane that covers the inner surface of the eyelid and the white part of the eyeball (the sclera).
Inflammation of the conjunctiva is called conjunctivitis, which makes the white of the eye appear red.
Review Date: 8/14/2011
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.