Dr. Tang is a licensed Optometry in ON. Medical degree obtained from University of Waterloo Optometry & Vision Science. Currently practices at Dr. Allyson Tang Optometrist (Dr. Allyson Tang Optometrist), located at 3560 Rutherford Rd, Vaughan, ON L4H 3T8. Dr. Tang specializes in diabetic retinopathy and other ocular disease management.. In addition to English, Dr. Tang speaks Taiwanese and Mandarin and accepts new patients.