Dr. Duan is a licensed Optometry in MD. Medical degree obtained from SUNY College of Optometry. Currently practices at Ellicott City Vision (Ellicott City Vision), located at 5012 Dorsey Hall Dr, Ellicott City, MD 21042. Dr. Duan specializes in ocular pathology management of glaucoma, cataracts, and corneal and retinal disorders, as well as in pediatric eye care, vision therapy, specialty contact lens fittings, emergency eye care, and pre an. In addition to English, Dr. Duan speaks Mandarin and accepts new patients.