Cataract

• Faculty of medicine, Cairo university — Cairo, Egypt

• Vienna Institute for Research in Ocular Surgery (VIROS) — Vienna, Austria

• Salus University — Elkins Park, Pennsylvania, United States

• Department of Ophthalmology, Second affiliated hospital of Xian Jiaotong University — Xi'an, Shaanxi, China

• Clinica Oftalmológica TACIR — Barcelona, Spain

Not specified

• Hospital Universitario Ramón y Cajal — Madrid, Spain

• Alcon Investigative Site — Ahmedabad, Gujarat, India
• Alcon Investigative Site — Chennai, Tamil Nadu, India
• Alcon Investigative Site — Coimbatore, Tamil Nadu, India
• Alcon Investigative Site — Bangalore, India

• Associated Eye Care — Stillwater, Minnesota, United States
• Ophthalmic Consultants of Long Island — Garden City, New York, United States
• Carolina Eyecare Physicians, LLC — Mt. Pleasant, South Carolina, United States
• Slade & Baker Vision Center — Houston, Texas, United States

• Eye Center South — Dothan, Alabama, United States
• Arizona Eye Cente — Chandler, Arizona, United States
• Fishkind, Bakewell & Maltzman Eye Care & Surgery Cente — Tucson, Arizona, United States
• Boozman-Hof Regional Eye Clinic — Rogers, Arkansas, United States