Who is the Canadian Ophthalmological Society?
The Canadian Ophthalmological Society (COS) is the national, recognized authority on eye and vision care in Canada. As eye physicians and surgeons, we are committed to assuring the provision of optimal medical and surgical eye care for all Canadians by promoting excellence in ophthalmology and by providing services to support our members in practice.
Our membership includes over 1,000 ophthalmologists and ophthalmology residents. We work collaboratively with government, other national and international specialty societies, our academic communities (ACUPO), our provincial partners and affiliates, and other eye care professionals and patient groups to advocate for health policy in Canada in the area of eye and vision health.
Newsroom
Find the latest news, stories, and updates in our Newsroom.

Cosmetic lenses are medical devices, not costume accessories, and improper use can cause serious eye injury and permanent vision loss. OTTAWA, October 22, 2026 — As Canadians prepare for Halloween, the Canadian Ophthalmological Society (COS), the Canadian Association of Optometrists (CAO) and the Opticians Association of Canada (OAC) are reminding the public that cosmetic contact…
How Governments Can Preserve Trust While Expanding Access
Ophthalmologists remain committed to working with governments and other eye care professionals to explore evidence-informed approaches to improving access across…
Don’t Overlook Your Child’s Vision This Back-to-School Season
(Ottawa, ON) – August 4, 2026 – As families across Canada prepare for the new school year, the Canadian Ophthalmological…
Think Sunscreen Is Enough? Your Eyes Can Get Sunburned Too, Canadian Ophthalmologists Warn
(Ottawa, ON) – July 7, 2026 – Most Canadians know to apply sunscreen before heading outdoors, but many don’t realize…
Member Benefits
COS membership offers access to professional development, advocacy, networking, and resources to support you at every stage of your ophthalmology career.
Job Postings
Explore current career opportunities in ophthalmology. New postings are added regularly for positions in academic, clinical, and surgical practice settings.
