S.V. Malayan's Ophtalmology Centre, Yerevan, Armenia
S.V. Malayan's Ophtalmology Centre, Yerevan, Armenia
John Berdahl, MD, Sioux Falls, South Dakota, United States
Focal Point Vision, San Antonio, Texas, United States
Gordon -Weiss Vision Institute, San Diego, California, United States
UPMC Eye Center, Pittsburgh, Pennsylvania, United States
Gordon -Weiss-Schanzlin Vision Institute, San Diego, California, United States
See Clearly Vision, McLean, Virginia, United States
Ophthalmic Consultants of Boston, Waltham, Massachusetts, United States
Durrie Vision, Overland Park, Kansas, United States
Columbia University Harkness Eye Institute, New York, New York, United States
Cornea & Laser Eye Institute; Hersh Vision Group, Teaneck, New Jersey, United States