1. From the Department of Ophthalmology, University of Iceland/Landspítali–University Hospital, Reykjavik, Iceland; 2Oxymap ehf., Reykjavik, Iceland;
2. From the Department of Ophthalmology, University of Iceland/Landspítali–University Hospital, Reykjavik, Iceland;
3. Oxymap ehf., Reykjavik, Iceland;
4. the Department of Electrical and Computer Engineering, University of Iceland, Reykjavik, Iceland; and
5. the School of Medicine, Indiana University, Indianapolis, Indiana.