Dr. Greenwood has been described as kind-hearted, understanding, and passionate by his patients. He is a board-certified ophthalmologist specializing in cataract, glaucoma, cornea, and laser vision correction surgery at Vance Thompson Vision in Fargo, ND. He is a leader in the eye care industry, lecturing nationally and internationally and teaching other surgeons and doctors advanced surgery techniques. He believes that every patient deserves to see life with clarity.