Astigmatism

• Atrium Medical Center — Heerlen, Brunssum, Kerkrade, Netherlands
• Maastricht University Medical Center — Maastricht, Netherlands
• Rotterdam Eye Hospital — Rotterdam, Netherlands

Not specified

• Instituto de Olhos de Goiânia — Goiânia, Goiás, Brazil

• Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine — Seoul, South Korea

Not specified

• Dept. of Clinical Sciences/ Ophthalmology Umea University Hospital — Umeå, Sweden

• Durrie Vision — Overland Park, Kansas, United States
• Karl G. Stonecipher, MD — Greensboro, North Carolina, United States

• Department of Ophthalmology Aarhus Sygehus - Aarhus University Hospital, Denmark — Aarhus, Denmark

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

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