Dr. Gelles is the director of the specialty contact lens division at the Cornea and Laser Eye Institute and the CLEI Center for Keratoconus in Teaneck, NJ. He is also the Chief Emerging Technology Officer at EyeCareLive and PeerMed. He is a graduate of Pennsylvania College of Optometry and is an adjunct clinical instructor for SUNY College of Optometry and New England College of Optometry. Additionally, he is an optometric consultant and serves on the executive board of the International Keratoconus Academy and the advisory board of the Gas Permeable Lens Institute. He is a Fellow in the International Academy of Orthokeratology, the Contact Lens Society of America, and the Scleral Lens Education Society. His clinical work is dedicated exclusively to specialty contact lenses and surgical co-management of corneal disease (predominantly keratoconus), ocular surface disease, and post-surgical corneal conditions. He is a sub investigator for multiple keratoconus specific clinical trials.