Vet Cost Guide

How much does treating glaucoma cost for a dog or cat in Canada?

By PetAssured Editorial Team Last reviewed : June 5, 2026 6 min read

Quick Answer

Glaucoma — raised pressure inside the eye — is both an emergency and a chronic condition. Acute glaucoma is a race against time to save vision, and even when managed it usually means lifelong daily eye medication, monitoring, and sometimes surgery. Comprehensive insurance covers it, but because several breeds are strongly predisposed and the condition often appears in middle age, early enrolment is critical to avoid a pre-existing exclusion.

Glaucoma happens when fluid pressure builds inside the eye, damaging the optic nerve and threatening vision. In its acute form it's a genuine emergency — vision can be lost within hours to days. It's also frequently a lifelong condition once it appears, and certain breeds (Cocker Spaniels, Beagles, Basset Hounds, and others) are predisposed. Here's the cost picture for Canadian owners.

What it costs in Canada

ScenarioTypical cost (CAD)
Emergency exam + eye pressure measurementModerate — urgent when acute
Ophthalmology specialist referralAdds to diagnosis and ongoing care
Emergency pressure-lowering treatmentUrgent — to try to save vision
Daily eye medication(s)Recurring — often for life
Ongoing pressure monitoringModerate, repeated over time
Surgery (various procedures)High — to control pressure or manage a blind eye
Enucleation (eye removal, if vision is lost)Moderate to high one-time
Managing the second eye (often follows)Frequently bilateral over time

Glaucoma is rarely a single bill. The acute emergency is costly, the daily medication continues indefinitely, and the condition frequently progresses to involve the second eye. When vision can't be saved and the eye remains painful, removing it (enucleation) is sometimes the most humane and cost-effective option. Predisposed breeds may face this on both eyes over their lifetime.

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With insurance vs paying out of pocket

ScenarioYou payInsurer pays
No insuranceEmergency care, then lifelong medication and monitoring, per eye$0
Comprehensive policy (not pre-existing)Deductible + your reimbursement shareReimburses 70–90% of emergency, medication, and surgery after deductible
Comprehensive policy (glaucoma pre-existing)Full cost — including the second eye if linked$0 — pre-existing exclusion (and possibly bilateral)
Wellness add-on onlyFull cost — glaucoma treatment is not preventive care$0 from wellness portion
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Considering insurance?

Glaucoma is a strong argument for insuring predisposed breeds early. It often appears in middle age, becomes a pre-existing exclusion once diagnosed, and frequently affects both eyes — so a policy started before any eye issue covers far more. If you have a Cocker Spaniel, Beagle, Basset Hound, or other prone breed, compare Canadian insurers while your pet's eyes are still healthy.

Frequently asked questions

Is glaucoma covered by pet insurance?
Yes, under comprehensive base policies — emergency care, daily medication, monitoring, and surgery are covered, provided glaucoma wasn't diagnosed or showing signs before your policy started or during the waiting period. Because it's so breed-associated, enrolling before any eye issue appears is key.
Why is acute glaucoma an emergency?
When eye pressure spikes suddenly, it damages the optic nerve and can cause permanent blindness within hours to days. Acute glaucoma is painful and time-critical — if your pet has a red, cloudy, or visibly painful eye, see a vet immediately. Fast treatment offers the best chance of saving vision.
Which breeds are prone to glaucoma?
Cocker Spaniels, Beagles, Basset Hounds, Shar-Peis, and several other breeds have elevated risk of primary glaucoma, which is often hereditary and frequently affects both eyes over time. For these breeds, glaucoma is one of the conditions that makes early, continuous coverage most valuable.
Will both eyes be affected?
Frequently, yes — primary glaucoma is often bilateral, with the second eye affected weeks to months after the first. If the first eye becomes a documented pre-existing condition, the second may be excluded too on a new policy, which is why timing of coverage matters so much.