Markham Eye Clinic We are excited to have the Optical Coherence Tomography (OCT) Scanner at our Markham eye clinic. This sophisticated technology allows us to conduct occular examinations with an unparalleled level of detail. Unionville Optometry is located on Highway 7 between Main Street & Kennedy Road, just 10 minutes from Markham, 20 minutes from Richmond Hill or Stouffville. Call us at (905) 477-4488 for an appointment.   Main   Directory of Terms   Detailed Information   Catalogue   About Us   Services   Resources Page 1 5/17/2012