Greyhound Eye Disease – Pannus
Pannus is a disorder that affects the eye of the greyhound, and will eventually lead to blindness if it’s not managed.
It is not painful in its early stages, causes no discharge from the eye, and may be hard to see unless you look closely at your greyhound’s eyes in a good light. If it is not diagnosed or treated, the disease will slowly cover the clear part of the eye (the ‘cornea’) until the dog can no longer see.
Pannus is seen most commonly in German Shepherd’s, but is also found in Collies, Poodles, Dachshunds and Greyhounds. There is thought to be a significant genetic inheritance, with certain families and lines within a breed more severely affected, but environmental factors also play a part in the development of the disease.
What does it look like?
Pannus symptoms generally start to appear when the dog reaches 2-5 years of age. In the beginning you may only notice that the edge of the cornea seems more pigmented (coloured) than before – kind of like ‘freckles’ developing near the edge of the eye – or there may be a hazy/greyish colour to the edge of the clear part of the eye. Generally the disease will occur in both eyes, starting at about the same time, but the lesions do not necessarily look the same.
As the disease progresses, Pannus lesions may simply look like brown pigment ‘growing’ onto the surface of the eye, or it may appear more inflamed with a ‘greyish-pink’ colour (which is the eye’s version of scar tissue). If you look closely, you might even see small blood vessels growing onto the eye surface. The colour change to the clear part of the eye starts at the outside edges and spreads inwards until the entire eye surface is covered, leaving no clear window for light to enter the eye – making the dog blind.
What causes it?
Pannus is thought to be an auto-immune disease. This means the body actually starts to attack itself. The genetic predisposition to develop pannus is inherited – so it tends to affect certain breeds and certain families within these breeds more than others.
The other factor thought to contribute to pannus is exposure to Ultra-Violet (UV) light. This exposure to UV light is thought to trigger the start of the reaction, or to make the reaction worse, so it is important to keep affected dogs out of bright light, especially in the summer months when the UV level is high. Even if exposure to UV light is not the cause of the disease, the rate of progression increases with exposure to high levels of UV light (from sun light, or reflected light from water).
Can it be treated?
Once the disease has started, there is no ‘cure’ that completely eliminates pannus. All treatments are directed at slowing the progression of the pigmented lesions and to prevent flare-ups. The most commonly used treatment is cortisone eye drops, which are administered daily. The cortisone slows the immune reaction that causes the pigment, and hence slows the progression of the disease. Cortisone may also be combined with cyclosporine drops which also help control the symptoms.
What should I do if I suspect one of my greyhounds may be affected by pannus?
The first thing to do is to consult your veterinarian. They will be able to do an eye examination, and discuss the disease with you. They can also refer you to a veterinary ophthalmologist (eye specialist for dogs) who can give more specific advice and recommend treatments for more severe cases. Getting to the disease early gives the best chance of treatment, so don’t hesitate – take the greyhound to the vet for a check up.
Meet our dogs ready for adoption
All greyhounds adopted from GAP are de-sexed, vaccinated, microchipped, wormed and health checked.
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Willow ARP
We promise she has ears! Willow is a sweet little girl that can be a little unsure in new environments and will need a quiet and understanding new home to let her settle in. Once she is comfortable, we are sure a cheeky and playful little pup will emerge. Due to this, a home with a backyard and older children if any may be a better fit for her. She may even like the company of another male canine companion to help show her the world, as long as they are calm and respectful whilst she is adjusting. We think the best is yet to come with dear Willow and will make someone super pleased to have her in their life.
This dog is part of our Assisted Rehoming Program (ARP).We have behavioural and health assessed this lovely dog, and they will remain with their racing owners until they find an adoptive home, at which point they are brought back into GAP. This means that should you be interested in adopting this dog, we are bringing the dog into GAP on the understanding that you will be adopting this particular dog, and not other dogs currently in our care.
Rocky
Nero
Marley ARP
Are you looking for a mature greyhound who may be happy to live with a smaller dog? Marley might be your lady! She is super sweet, friendly, and outgoing, and has all the love to give. Marley may be happiest in a home with children 10 years and over and might suit living with full time workers.
This dog is part of our Assisted Rehoming Program (ARP). We have behavioural and health assessed this lovely dog, and they will remain with their racing owners until they find an adoptive home, at which point they are brought back into GAP. This means that should you be interested in adopting this dog, we are bringing the dog into GAP on the understanding that you will be adopting this particular dog, and not other dogs currently in our care.
Poppy ARP
This is Poppy! Poppy is only a young girl, but we are happy to say that she has had some experience into pet life and she is toilet trained. Poppy can be a bit of an introvert and is not a big fan of people or dogs crowding her or in her face. She is friendly though to people that she trusts and knows.
This dog is part of our Assisted Rehoming Program (ARP). We have behavioural and health assessed this lovely dog, and they will remain with their racing owners until they find an adoptive home, at which point they are brought back into GAP. This means that should you be interested in adopting this dog, we are bringing the dog into GAP on the understanding that you will be adopting this particular dog, and not other dogs currently in our care.
Craig
Roger
Lulu ARP
You will go 'lala' over Lulu! She is stunning, puppyish and a tad shy but oh so sweet. She will show you her puppyish side once she starts to settle in and you will just fall in love. We think this pretty girl may suit living with another medium or larger male companion and maybe children 10 and over. Anice yard to relax in will be great for Lulu as well.
This dog is part of our Assisted Rehoming Program (ARP). Wehave behavioural and health assessed this lovely dog, and they will remain withtheir racing owners until they find an adoptive home, at which point they arebrought back into GAP. This means that should you be interested in adoptingthis dog, we are bringing the dog into GAP on the understanding that you willbe adopting this particular dog, and not other dogs currently in ourcare.
Mr D ARP
Hi! I’m Mr D! What’s that you say!? I’m handsome? Well, there is so much more to love about me than my handsome looks but ill point out my shiny coat, awesome pointy ears and a tail that winds up like a helicopter but most importantly I am a real sweet, friendly and fun boy that is always up for an adventure. I think I might be ok to live with children 10 and over or maybe even another medium or larger play buddy!
This dog is part of our Assisted Rehoming Program (ARP).We have behavioural and health assessed this lovely dog, and they will remain with their racing owners until they find an adoptive home, at which point they are brought back into GAP. This means that should you be interested in adopting this dog, we are bringing the dog into GAP on the understanding that you will be adopting this particular dog, and not other dogs currently in our care.