1. From the Departments of Ophthalmology (E.D.G., R.A.G.), Radiology (C.J.), Pediatrics (A.E.A.-J., S.M.K.), and Neurology (A.E.A.-J.), Harvard Medical School, the Department of Ophthalmology, Boston Children’s Hospital (E.D.G., R.A.G.), the Department of Ophthalmology, Massachusetts Eye and Ear (E.D.G., R.A.G.), and the Departments of Radiology (C.J.), Pediatrics (A.E.A.-J., S.M.K.), and Neurology (A.E.A.-J.), Massachusetts General Hospital — all in Boston.