1 Department of Ophthalmology (KKM, EDG, RG), Massachusetts Eye and Ear, Boston, Massachusetts; Harvard Medical School (KKM, CDR, EDG, RG), Boston, Massachusetts; Division of Neuroradiology (CDR), Department of Radiology, Boston Children's Hospital, Boston, Massachusetts; Department of Ophthalmology (EDG, RG), Boston Children's Hospital, Boston, Massachusetts; and Department of Brain and Cognitive Sciences (EDG), Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts.