Refractive Errors

• Alcon Investigative Site — Phoenix, Arizona, United States
• Alcon Investigative Site — San Diego, California, United States
• Alcon Investigative Site — Pensacola, Florida, United States
• Alcon Investigative Site — Tallahassee, Florida, United States

• Alcon Investigative Site — Birmingham, Alabama, United States
• Alcon Investigative Site — Cleveland, Ohio, United States
• Alcon Investigative Site — Columbus, Ohio, United States
• Alcon Investigative Site — Memphis, Tennessee, United States

• Birmingham, West Midlands, United Kingdom

• Birmingham, United Kingdom

• UTSW Medical Center at Dallas — Dallas, Texas, United States

• Department of Clinical Pharmacology, Medical University of Vienna — Vienna, State of Vienna, Austria

• Walter Reed Army Medical Center, Center For Refractive Surgery — Washington D.C., District of Columbia, United States

• School of Optometry — Birmingham, Alabama, United States

Not specified

• Personaleyes — Sydney, New South Wales, Australia