Pannus
 

 

The information on this page is for educational purposes only and should never  

be used as a substitute for seeing your own veterinarian, with your pet, for a

complete examination and individually prescribed treatment.

by Carole Machery DVM

WHAT IS IT?

This eye disease is also called chronic superficial keratitis.  It’s a chronic, immune-mediated disease that can affect both eyes, and if not treated, can cause blindness.  The eyes develop areas of inflammation that can cover the corneas, blood vessels grow across the eye to the affected areas, and pigmentation may develop on the surface of the cornea.

WHAT CAUSES IT?

  • Genetic factors – there are unquestionable breed predispositions (Greyhound, German Shepherd), so when there are breed predispositions, a genetic link is always suspected.
  • UV light – sunlight is known to worsen the condition.
  • Allergy – it is speculated that at least part of the disease may be an allergic reaction to foreign substances on the cornea or against the corneal tissue itself.

WHAT DOES IT LOOK LIKE?

Initially the eye(s) may look a little reddened.  They may be sensitive, and the dog may rub them.  As the disease progresses, there are clearly visible changes on the surface of the cornea, beginning at an edge and proliferating inward.

HOW IS IT TREATED?

  • topical cortisone drops
  • injections of cortisone under the outer surface of the eye
  • topical 2% cyclosporine drops
  • avoid sunlight.  Try Doggles – doggie sunglasses that block 100% of the UV light – click the link below:

CAN IT BE CURED?

Unfortunately, not at this time.  It’s likely that your Greyhound will require medication of some sort for the rest of his or her life, although the frequency of medicating may vary seasonally.  But the good news is that this disease can usually be controlled and in most cases there is no discomfort, and vision remains normal.

This page last updated 04/30/2006

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