The only reference available that synthesizes this vast subspecialty into a single trustworthy resource, Cornea, 5th Edition, provides state-of-the-art coverage of the expanding range of contemporary corneal surgery, new diagnostic and imaging technologies, and medical management of corneal and external disease as well as ocular surface disease. Drs. Mark J. Mannis, Edward J. Holland, and a team of more than 200 global experts keep you up to date with both common and more obscure diseases and disorders and the best route to effective treatment and management, making this two-volume text a must-have resource for residents and fellows, general ophthalmologists, and seasoned cornea specialists. Features more than 2,300 exceptionally clear illustrations, diagnostic images, and step-by-step surgical photographs that offer superb visual guidance.  Contains 14 new chapters, including Nanothin DSAEK, Aqueous Deficiency Dry Eye Syndrome, Evaluation of Recurrent Corneal Erosions, Evaluation of the Corneal Ulcer, Contemporary Approaches to the Biosynthetic Cornea, and Topography Guided Photorefractive Keratectomy, and more.   Includes more than 80 video clips of current corneal surgery techniques, including new clips of the application of cryopreserved amniotic membrane in the treatment of acute stevens , penetrating keratoplasty, DM rupture management in STALK and in the keratonconus patient, and KAMRA corneal inlay implantation.