1 Visual Systems Group, Abrahamson Pediatric Eye Institute, Division of Pediatric Ophthalmology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
2 Science of Light Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
3 Visual Systems Group, Abrahamson Pediatric Eye Institute, Division of Pediatric Ophthalmology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. Richard.Lang@cchmc.org.
4 Science of Light Center, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. Richard.Lang@cchmc.org.
5 Department of Ophthalmology, College of Medicine, University of Cincinnati, Cincinnati, OH, USA. Richard.Lang@cchmc.org.