Edward Delafield was an American physician, primarily known as an ophthalmologist, but also for his work in obstetrics and gynaecology. He was the co-founder of the New York Eye Infirmary and the first president of the American Ophthalmological Society. From 1858 until his death he was the president of the College of Physicians and Surgeons in New York City. His son, Francis Delafield, also became a prominent physician.

New York Eye and Ear Infirmary of Mount Sinai (NYEE) is located at East 14th Street and Second Avenue in lower Manhattan, New York City. Founded on August 14, 1820, NYEE is America's first specialty hospital and one of the most prominent in the fields of ophthalmology and otolaryngology in the world, providing primary inpatient and outpatient care in those specialties. Previously affiliated with New York Medical College, as of 2013 it is affiliated with the Icahn School of Medicine at Mount Sinai as a part of the membership in the Mount Sinai Health System.