Dr. Garretson joined Associated Retinal Consultants in 1994 and has been active in retinal research throughout his career being named the principle investigator or a co-investigator in many landmark retinal studies. He has a special interest in the management of complicated retinal detachment and in the treatment of age-related macular degeneration. He has authored several articles in peer-reviewed medical journals and is actively involved in clinical research including trials sponsored by the National Institute of Health and National Eye Institute. He has been named to The Best Doctors in the Midwest, and The Best Doctors in America.