Steven A. Greenstein, MD received his medical degree from the Albert Einstein College of Medicine where he graduated with a special distinction in clinical research. During this time, he completed a one-year pre-residency fellowship at The Cornea and Laser Eye Institute under the direction of Dr. Peter Hersh with a focus on crosslinking for keratoconus. Dr. Greenstein did his ophthalmology residency at Rutgers – New Jersey Medical School. He then completed a Cornea, Refractive and External Disease fellowship at Harvard Medical School’s Department of Ophthalmology. During his time at Harvard, Dr. Greenstein had the honor of being awarded the prestigious Heed Ophthalmology Fellow Award.