Discusses the structure and function of the cornea and external eye and reviews relevant examination techniques. Infectious and ocular surface diseases, as well as disorders and surgery of the ocular surface, immune-mediated and neoplastic disorders, congenital anomalies and degenerations are also covered. A chapter on the genetics of corneal dystrophies has been updated and reflects the new IC3D classification. Also discussed are toxic and traumatic injuries and corneal transplantation. Contains many new color images.