Refractive Errors

• Clinical Research Center, University of California, Berkeley — Berkeley, California, United States
• Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University — Bloomington, Indiana, United States

• Singapore National Eye Centre — Singapore

• Contact Alcon Call Center for Trial Locations — Fort Worth, Texas, United States

• University of Waterloo — Waterloo, Ontario, Canada

• Kodama Eye Clinic — Joyo-shi, Kyoto, Japan
• Higashihara Eye Clinic — Kameoka, Kyoto, Japan
• Iwasaki Eye Clinic — Osaka, Japan

• Optometry Clinic, National Autonomous University — Mexico City, Mexico

• Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University — Bloomington, Indiana, United States

Not specified

• Price Vision Group — Indianapolis, Indiana, United States

• Carolina Eyecare Physicians, LLC — Mt. Pleasant, South Carolina, United States