Kannarr Eye care, Pittsburg, Kansas, United States
ProCare Vision Center, Granville, Ohio, United States
Coan EyeCare, Ocoee, Florida, United States
CORE, University of Waterloo, Waterloo, Canada
Eurolens Research, Manchester, United Kingdom
Golden Optometric Group, Whittier, California, United States
Sacco Eye Group, Vestal, New York, United States
Athens Eye Care, Athens, Ohio, United States
Ocular Technology Group - International, London, United Kingdom
Complete Eye Care of Medina, Medina, Minnesota, United States
Athens Eye Care, Athens, Ohio, United States
Nittany Eye Associates, College, Pennsylvania, United States
Eurolens Research, Manchester, United Kingdom
Eurolens Research, Manchester, United Kingdom
CORL, Indiana University, Bloomington, Indiana, United States
Eurolens Research, Manchester, United Kingdom
University of Waterloo, Waterloo, Ontario, Canada