Toby Chan MD, FRCS(C)
Eye physician and surgeon. Co-Division Head of Ophthalmology
  • Staff Ophthalmologist. Saint Mary’s General Hospital and Grand River Hospital.
  • Assistant clinical professor (adjunct). Waterloo Regional Campus. McMaster University.

Dr. Chan is the first fellowship-trained glaucoma and anterior segment surgeon in the Kitchener-Waterloo region, and is an assistant clinical professor (adjunct) of ophthalmology at the McMaster University.  He is trained and experienced in advanced cataract and glaucoma procedures including femtosecond laser-assisted cataract surgery and minimally invasive glaucoma surgery. Dr. Chan plays an active leadership role in the Canadian Glaucoma Society and the Canadian Ophthalmological Society. His current research focus is in novel glaucoma treatment options, anterior segment reconstruction, and use of technologies in improving the patient experience and medical education.

Clinical Interests

Glaucoma, cataract, iris repair/reconstruction, intraocular lens exchange, secondary intraocular lens.

Degree Qualification
  • BSc (Human Biology), University of Toronto
  • MD, University of Ottawa
  • Fellowship in Glaucoma and Advanced Anterior Segment Surgery (GAASS), University of Toronto
Research Interests

Novel glaucoma treatment options, anterior segment reconstruction, novel intraocular lens platforms, medication education.


English, Cantonese and Mandarin.

Patient Referrals

You can refer a patient electronically through Ocean.  If this is your first time using Ocean you can sign up here.  Patients can also be referred directly via fax to the number listed under the surgeon's profile. Patients with cataracts must be referred electronically through central intake via Ocean or WWRCC.

For those not yet set up with Ocean, you can submit completed referral forms to the Waterloo Regional Coordination Program Cataract Central Intake or fax 519-621-0059.


Textbook Chapters:

Chan TYB, Ahmed IK.  Canaloplasty. Surgical Innovations in Glaucoma. Chapter 14.  In print 2014.

Chan TYB, Ahmed IK.  Non-penetrating glaucoma surgery. Atlas of Glaucoma. Third edition. Chapter 17.  In print 2014.

Chan TYB, Ahmed IK.  Trabecular bypass surgery. Atlas of Glaucoma. Third edition. Chapter 21.  In print 2014.

Chan TYB, Ahmed IK.  Trauma and Repair of the Anterior Segment. Cornea. Vol. 2. Chapter 51. In print Sept  2012.

Chan T, Hodge WG. Immunologic Diseases of the Eye. Vaughan & Asbury’s General Ophthalmology. 18th edition; Chapter 16.  In print May 2011.

Journal Articles:

Sedarous F, Chan TYB, Makar I. Alternating Hypotropia with Pseudoptosis: A New Phenotype of Congenital Cranial Dysinnervation Disorder. Case Rep Ophthalmol. 2018 Feb 1;9(1):96-101.

Mullie G, Chan TYB. Visual Outcome after Bilateral Implantation of Extended Depth of Focus Intraocular Lens in a Patient with Iris Microhemangiomas. J Clin Exp Ophthalmol 2017; 8(6):699.

Soon A, Chan TY.  An atypical case of bilateral posterior scleritis in a patient with chronic lymphocytic leukemia.  Can J Ophthalmol. 2015 Aug;50(4):e60-3.

Arjmand P, Chan TY, Ahmed II. Transscleral suture fixation following recurrent toric intraocular lens rotation. J Cataract Refract Surg. 2015 May;41(5):912-7.

Bali S, Chan TYB, Nichols BD. Minimizing Spherical Aberration by Personalized Intraocular Lens Implantation Based on Laser Ray-Tracing Aberrometry. Clinical & Surgical Ophthalmology 2014 Jul;32(3):36-40.

Matthews A, Hutnik C, Hill K, Newson T, Chan T, Campbell G. Indentation and needle insertion properties of the human eye. Eye (Lond). 2014 Jul;28(7):880-7.

Chan TYB, Mao AJ, Piggott J, Makar I. Factors affecting post-operative stereopsis in acquired nonaccommodative esotropia. Can J Ophthalmol 2012 Dec;47(6):479-483.

Chan TYB, Rai A, Lee E, Glicksman JT, Hutnik CML. Needs Assessment of Ophthalmology Education for Primary Care Physicians-In-Training: Comparison with the International Council of Ophthalmology Recommendations. Clin Ophthalmol. 2011;5:311-319.

Chan T, Hodge WG. Vitritis and retinal vasculitis as presenting signs of monoclonal gammopathy of unknown significance (MGUS) with progression to multiple myeloma. Can J Ophthalmol. 2010 Feb;45(1):82-3.

Chan T, Hutnik CML. Development and Validation of an Innovative Educational Model in Ophthalmology Education. Invest Ophthalmol Vis Sci 2009;50: E-Abstract 2458.

Tokarewicz AC, Chan T.  Ocular Surface Neoplasia/Interferon Alpha-2Beta. Clinical & Surgical Ophthalmology. 2008 Jan;26(1):12-16.

Costantini DL, Arruda EP, Agarwal P, Zhu Y, Zhu W, Lebel M, Cheng CW, Park CY, Pierce S, Chan TY, Kabir MG, Cheng SH, Husain M, Srivastava D, Gross GJ, Hui CC, Backx PH, Bruneau BG. Homeodomain transcription factor Irx5 establishes the normal mouse cardiac ventricular repolarization gradient. Cell. 2005 Oct 21;123(2):347-58.

Lebel M, Agarwal P, Cheng CW, Kabir MG, Chan TY, Thanabalasingham V, Zhang X, Cohen DR, Husain M, Cheng SH, Bruneau BG, Hui CC.  The Iroquois homeobox gene Irx2 is not essential for normal development of the heart and midbrain-hindbrain boundary in mice. Mol Cell Biol. 2003 Nov;23(22):8216-25.

Cataract surgery wait times for Dr. Toby Chan at St Mary's General Hospital
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