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3600 Langstaff Road, Unit 5
(Langstaff and Hwy 400)
Vaughan, Ontario
L4L 9E7 Canada

(905) 660-0100
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Home » Our Doctors » Dr. Siva Chan

Dr. Siva Chan

Dr. Siva Chan graduated on the Dean’s Honours’ List from the School of Optometry, University of Waterloo, in 2001. She did her US externship alongside Ophthalmologists in Immokalee and Fort Myers, Florida, where she gained extensive experiences in ocular emergency management, pre-/post-op optometric management, and ocular drug use. She is board certified by the Board of Examiners in Optometry in Canada, the use of Therapeutic Pharmaceutical Agents (TPA) in Canada, and the Treatment and Management of Ocular Diseases (TMOD) in the U.S. Dr. Chan brings vast amount of knowledge into our office for she has worked along side with a cataract surgeon in Toronto, where she gained additional experience in performing post-cataract surgery follow-ups.

Dr. Chan is experienced in the treating of ocular diseases, laser refractive surgery co-management, pre/post cataract consultations, retinal diseases diagnosis and management, diabetic eye exams, myopia control therapies, regular and specialty contact lenses.

Dr Chan is also the co-owner of Avalon Medical & Eye Clinic, a busy multidisciplinary clinic located in Markham (telephone : (905)754-0560). She enjoys gardening, sewing, and is a sponsored dart player. Dr. Chan is fluent in spoken English, Cantonese and Mandarin.

Please be advised that there is a province wide job action, and we are only seeing patients between the ages of 20-64.

If you are an OHIP covered patient (ages 0-19, >65, or those with Diabetes, Glaucoma, Macular Degeneration) please DO NOT call the office to book until further notice.

If you are experiencing symptoms such as red eye, discharge, foreign body, sudden loss of vision, sudden onset of flashes/floater, painful eyes, please call Telehealth Ontario, your Family Physician, or in case of Ocular Emergency, visit your local Emergency Department.

For more information, please visit


We are OPEN during LOCKDOWN. All COVID protocols including contact tracing are strictly enforced. APPOINTMENTS ONLY, even for spectacle and contact lens pickups. Our in house lab can now do most single vision lenses on site, sometimes the same day.