Pet Education

Browse our veterinary-reviewed Dog and Cat Illness Guide to learn more about pet health. Always talk to your veterinarian if you have a concern about your pet's symptoms or health.
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Canine Pannus


Keratitis

The cornea is a see-through tissue that covers the eye. Pannus, (also known as Chronic Superficial Keratitis), is inflammation of the cornea. It is not painful, but will affect your dog's vision.

Left untreated, pannus can end in blindness.

Pannus occurs mainly in German Shepherds, but it can occur in other breeds.

CAUSES:

Pannus is immune-mediated (the immune system fights the cornea).

It can be triggered and aggravated by other things, including:

SIGNS:

Typically, both eyes are affected.

Othersigns you may notice:

DIAGNOSIS:

Diagnosis is usually based on medical history and signs.

To rule out other diseases, your veterinarian may perform the following tests:

TREATMENT:

Pannus can not be completely cured, but is controllable. Treatment will stop the disease from progressing, and may reverse some of the damage.

Treatment may include:

PREVENTION:

Pannus itself is not preventable, but you can try to prevent relapses.

Affected dogs should:

PROGNOSIS:

Life-long treatment is often necessary. You must follow your veterinarian's instructions with giving medication. Following up with your veterinarian is also important because they may need to adjust the medication.

Most dogs respond well if you give the medication correctly.

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