Dr. Tieu is a licensed Optometry in AB. Medical degree obtained from University of Waterloo Medical School. Currently practices at Sphere Optometry (Sphere Optometry), located at 140 Mahogany Centre SE, Calgary, AB T3M 2V6. Dr. Tieu specializes in comprehensive eye examinations, dry eye disease and myopia control. . In addition to English, Dr. Tieu speaks Cantonese and accepts new patients.