Glaucoma in Cats

Glaucoma in Cats

Cat Health

Glaucoma in Cats

Glaucoma is a serious eye condition that can lead to vision loss if left untreated. Learn how to recognise the signs, understand the causes, and explore treatment options to protect your cat’s eye health.

Read time: 6–8 mins
UK guidance

Contents

  1. What is glaucoma?
  2. Signs & symptoms
  3. Causes of glaucoma in cats
  4. Treatment options
  5. Prevention tips
  6. FAQs

What is glaucoma?

Glaucoma is an eye condition where increased pressure inside the eye (intraocular pressure) damages the optic nerve, potentially leading to partial or complete vision loss.

It can develop slowly over time or suddenly, making it vital to detect and treat early to save your cat’s sight.

Signs & symptoms of glaucoma

Cloudy or enlarged eye

The affected eye may appear cloudy, bulging, or larger than normal.

Excessive tearing

Watery eyes or persistent discharge can signal irritation or pain.

Pawing at the eye

Cats may paw at their face or keep the affected eye partially closed due to discomfort.

Sensitivity to light

Your cat may squint or avoid bright areas.

Causes of glaucoma in cats

Primary glaucoma

Less common, often inherited and related to abnormal eye structure.

Secondary glaucoma

Triggered by another condition like eye trauma, inflammation, or tumours blocking fluid drainage.

Age factor

More common in older cats, especially over 7 years of age.

Chronic eye diseases

Conditions like uveitis or cataracts can increase the risk of glaucoma.

Treatment options

  • Vet diagnosis: Eye pressure tests and exams to confirm glaucoma.
  • Medication: Eye drops to reduce pressure and manage discomfort.
  • Surgery: In severe cases, surgery may be needed to relieve pressure or remove the eye if blind and painful.
  • Ongoing monitoring: Regular vet check-ups to track progress and adjust treatment.

Important: Early detection is crucial to prevent permanent vision loss.

Prevention tips

Routine vet visits

Annual eye exams can help catch glaucoma early.

Monitor for changes

Watch for sudden cloudiness, redness, or behavioural changes like hiding or pawing at the face.

Address underlying conditions

Promptly treat any eye infections or injuries to prevent secondary glaucoma.

Protect senior cats

Older cats are at higher risk, so be extra vigilant with check-ups.

FAQs

Is glaucoma painful for cats?
Yes, glaucoma can be very painful due to the pressure inside the eye. Prompt veterinary care is essential to manage pain.
Can glaucoma be cured?
Glaucoma can't always be cured, but with treatment, it can be managed to preserve vision and comfort.
Which breeds are more prone to glaucoma?
Siamese, Burmese, and Persian cats may have a higher genetic risk, but any breed can be affected.
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