Dr. Donnenfeld is a past president of the American Society of Cataract and Refractive Surgery and national medical director for TLC Laser Eye Centers. A clinical professor of ophthalmology at New York University Medical Center and chief medical editor of EyeWorld, Dr. Donnenfeld is a well-respected researcher and innovator in ophthalmology with a specific focus in refractive surgery and an extensive body of published work. Dr Donnenfeld is a Fellow of the American Academy of Ophthalmology and practices at Ophthalmic Consultants of Long Island.