Dr. Eiden is president and medical director of North Suburban Vision Consultants, Ltd., a multi-specialty group practice with 2 locations in the Chicago area. He is president and founder of the International Keratoconus Academy of Eye Care Professionals, an organization providing education and research to the eye care professions. Dr. Eiden is also co-founder and president of EyeVis Eye and Vision Research Institute, which is dedicated to clinical research and development of technologies in the eye care field. Dr. Eiden is an assistant clinical professor at the University of Illinois at Chicago Medical Center in the Department of Ophthalmology, Cornea and Contact Lens Service and an adjunct faculty member of the Indiana, Illinois, Salus, and UMSL Colleges of Optometry. He is on the editorial board of numerous professional journals and frequently publishes in the professional literature. Dr.Eiden is Past Chair of the American Optometric Association’s Contact Lens and Cornea Section. He is a fellow of the American Academy of Optometry. Dr. Eiden is a research consultant for numerous contact lens, technology and pharmaceutical companies and lectures extensively both nationally and internationally.