Massachusetts Eye and Ear is a Harvard Medical School teaching hospital, a world-renowned research center, and consistently ranks in the top five in the nation for both specialties in U.S.News & World Report’s annual hospital survey. Massachusetts Eye and Ear Center's mission is to find cures for blindness, deafness and diseases of the head and neck. After uniting with Schepens Eye Research Institute in 2011, Mass. Eye and Ear became the world's largest vision and hearing research center. The Edge group is located at the Massachusetts Eye and Ear Infirmary and is a part of the Department of Otology and Laryngology of Harvard Medical School. The group is in the Eaton Peabody Laboratory
, a hearing research centre with an integrated program covering auditory physiology, molecular biology of the auditory system, cochlear implants, and central processing.