Lens Diseases

• Site 118 — Birmingham, Alabama, United States
• Site 154 — Bullhead City, Arizona, United States
• Site 137 — Chandler, Arizona, United States
• Site 136 — Mesa, Arizona, United States

• Wolstan & Goldberg Eye Associates — Torrance, California, United States
• Grosinger, Spigelman & Grey Eye Surgeons, P.C. — Bloomfield Hills, Michigan, United States
• Moyes Eye Center — Kansas City, Missouri, United States
• Cincinnati Eye Institute — Cincinnati, Ohio, United States

• Colvard-Kandavel Eye Center — Encino, California, United States
• Shammas Eye Medical Center — Lynwood, California, United States
• Shammas Eye Center — Whittier, California, United States
• Multack Eye Care, Sc — Frankfort, Illinois, United States

• Walailak University — Nakhon Si Thammarat, Changwat Nakhon Si Thammarat, Thailand

• University Hospital Pilsen — Pilsen, Czechia

• Site 102 — Madrid, Spain
• Site 103 — Zaragoza, Spain

• University of Damascus, Faculty of Medicine — Damascus, Syria

• Bharatpur Eye Hospital — Bharatpur, Chitwan, Nepal

• Rush Eye — Amarillo, Texas, United States

Not specified