1University of Iowa, Iowa City, Iowa, USA. michael-abramoff@uiowa.edu.
2Digital Diagnostics Inc, Coralville, Iowa, USA. michael-abramoff@uiowa.edu.
3Iowa City Veterans Affairs Medical Center, Iowa City, Iowa, USA. michael-abramoff@uiowa.edu.
4Department of Biomedical Engineering, The University of Iowa, Iowa City, USA. michael-abramoff@uiowa.edu.
5Department of Electrical and Computer Engineering, The University of Iowa, Iowa City, Iowa, USA. michael-abramoff@uiowa.edu.
6Orbis International, New York, New York, USA.
7Department of Ophthalmology, University of Colorado School of Medicine, Aurora, Colorado, USA.
8Centre for Public Health, Queen's University Belfast, Belfast, UK.
9Orbis Bangladesh, Dhaka, Bangladesh.
10Deep Eye Care Foundation, Rangpur, Bangladesh.
11Digital Diagnostics Inc, Coralville, Iowa, USA.
12Carey Business School, Johns Hopkins University, Baltimore, Maryland, USA.
13Hopkins Business of Health Initiative, Johns Hopkins University, Baltimore, Maryland, USA.
14School of Nursing, Johns Hopkins University, Baltimore, Maryland, USA.
15Department of Biostatistics and Informatics, Colorado School of Public Health, Aurora, Colorado, USA.
16Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.