1. University of California, Los Angeles, Department of Ophthalmology, Stein Eye Institute, Los Angeles, CA, USA
2. Mid-Michigan Eye Care, Midland, MI, USA
3. Marshall B. Ketchum University, Southern California College of Optometry, Fullerton, CA, USA
4. University of Nebraska Medical Center, Department of Ophthalmology, Truhlsen Eye Institute, Weigel Williamson Center for Visual Rehabilitation, Omaha, NE, USA
5. Chan Family Optometry, Grass Valley, CA, USA
6. Frank Stein & Paul S. May Center for Low Vision Rehabilitation, San Francisco, CA, USA
7. New England College of Optometry, Boston, MA, USA