![Mayo Clinic home page [logo]](/images-global/mayologo.gif)
Share this site with others using one of these sharing tools.
To link to this article, paste this block of HTML code onto your webpage.
Guidelines for sites linking to mayoclinic.orgDuke University, Durham, NC
Mayo Graduate School of Medicine, Mayo Clinic, Rochester, MN
Duke University, Durham, NC
Associate Professor of Ophthalmology
Cornea, External Disease, and Anterior Segment Surgery
See a listing of publications on PubMed, a service of the National Library of medicine.
See a description of research activities.
Learn about treatment of diseases and becoming a patient. Read more about medical services.
.
