Dr. Won Lillian OnKay, Optometrist You are here Home > Optometrist > Dr. Won Lillian OnKay, Optometrist Tweet Our address Address: 220 Yonge Street, Eaton Centre, 4th Level Toronto, Ontario M5B 2H1 GPS: 43.6538666, -79.380044641536 Telephone: 416. 971. 8355