Dr. William Petersen graduated from the University of Oregon with a bachelor of science in biology and a minor in psychology. He then attended the Southern California College of Optometry where he graduated with his doctorate of optometry degree and a bachelor of science in visual science. He has had his practice and has lived in Dana Point since 1981. Dr. Petersen has done extensive research on contact lenses and surfing. He developed a sunglass contact lens for water sports as well as patenting a computer eyestrain relief device. He worked with Hobie Alter Jr. to develop Hobie polarized sunglasses. Dr. Petersen has extensive experience working with refractive surgery and cataract surgery patients. His years of experience in the area helps him to direct his patients to the best surgeons in their insurance programs.