He has subspecialty training in both neuro-ophthalmology and pediatric ophthalmology and works in the Pediatric Ophthamology and Adult Strabismus of the Johns Hopkins Wilmer Eye Institute. Sturge-Weber syndrome overlaps his areas of major interest. Much of his research has focused on the vascular system as it appears in the eye and relates systemically, as well as to vascular issues in glaucoma. He believes that a concentration of resources and teaming of efforts in a multidisciplinary fashion will lead not only to improved patient care, but also to a better understanding of the disease process.