We offer three convenient locations to serve the tri-state area located in Philadelphia, Harrisburg and Wilkes Barre Pa. Dr. Columbus has performed laser vision correction from all walks of life from members of Amish & Mennonite communities to Firefighters and Fraternal order of Police to fellow physicians, family and friends. We are proud to serve all of Eastern PA , New Jersey, & Delaware and honored to be the largest LASIK center in the tri-state region.