Dr. Theresa L. Clayton graduated magna cum laude with majors in Biology and Chemistry from the State University of New York, Potsdam College. She completed her medical degree at New York Medical College in Valhalla, New York. After an internship at St. Vincent's Hospital and Medical Center in New York City she returned to New York Medical College for ophthalmology training. A corneal research fellowship followed at Beth Israel Hospital in Boston. Following this training, Dr. Clayton completed her ophthalmology residency at what is now the Casey Eye Institute at Oregon Health Sciences University.
Upon completion of her post-graduate studies she served as a commissioned officer in the United States Public Health Service at the Phoenix Indian Medical Center for several years. Dr. Clayton returned to the Northwest to join Vancouver Eye Care in 1991 and is board-certified by the American Board of Ophthalmology. Dr. Clayton serves as the Medical Director of Vancouver Eye Care Surgery & Laser Center.