Derek H. Ohlstein, MD, is a board-certified ophthalmologist with a focus on cataract surgery and glaucoma treatment. Dr. Ohlstein graduated from Tulane University Medical School in his native New Orleans. He completed his ophthalmology residency at the University of Florida and has published several peer-reviewed articles, including Case Reports in Ophthalmology, Diabetes and Metabolism. He has also lectured extensively on ocular surface disease and developments in minimally invasive glaucoma surgeries.