Greyhound Eye Disease – Pannus

Health & Well Being
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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Cruise

2 years old

Cruise is a very affectionate boy who adores leaning up against his people. He has the cutest underbite which is really endearing. This social boy can be a little excitable at times (he is only a young boy after all!) so someone that can involve him in adventures would be amazing for him so he can get his short burst of energy out whilst also making friends where ever he goes! Cruise would likely suit a home with children aged 10 or older and may be fine with full time workers.

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Lee

2 years old

How handsome is this young chap! Mr Lee here is a stunning, sleek, shiny boy that is just as sweet as he is handsome. Lee is still a young one getting to know the ropes so he can be a bit silly and on the go but he does sometimes step back and take it all in. He can be a little shy in new situations but soon forgets what he was worried about and is back to his usual playful self. We think Lee may suit living with children 10+ and maybe another medium or larger companion. He has requested a backyard though please as he wants to show you his epic zoomies and play till its nap time!

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Empire

3 years old

Well they all say Rome wasn’t built in a day, but perhaps you want to bring an Empire into your home and make it a kingdom of fun, laughter, cuddles and play time. Empire may suit many homes and living with children 10+ or maybe even another medium or larger canine buddy.

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Magpie

5 years old

Magpie is a lovely boy with a puppyish and playful nature. He's confident, social and outgoing, and loves to be the life of the party! This charming boy would likely be ok in a home with full time workers, and children aged 10 or older. He is looking for a backyard he can run and play in. Come meet this cool dude today!
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Emily

3 years old

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Meet Emily, a sweet and personable greyhound who's sure to capture your heart! This affectionate girl loves being around people and will shower her owners with love and attention. With her gentle nature, Emily's a perfect companion for families or individuals looking for a loyal friend. Emily's got a unique charm - one of her adorable ears flops forward, making her all the more lovable! She's looking for a household with or without kids aged 10+, where she can be the only dog or live with a medium to large dog. If you're looking for a loving and laid-back companion to bring joy to your life, Emily might be the perfect fit!
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Chonk ARP

2 years old

Don’t be fooled by his name, he isn’t a “Chonky Boy” but we think the name still suits him. Mr Chonk does however love a little treat or two so this should make training a breeze, as long as he doesn’t give you those puppy dog eyes for too many! Chonk is a confident and enthusiastic boy and we think that he may suit homes with children 10 and over and possibly another dog of any size.
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Ronnie

4 years old

Meet Ronnie, a charismatic and outgoing greyhound who's the life of the party! This confident and enthusiastic boy is an extrovert who loves being the centre of attention and making new friends. With his bold and adventurous nature, Ronnie's perfect for an active family who loves the outdoors. Ronnie's looking for a household with or without kids aged 10+, where he can thrive in an active home with a backyard to run around in. He's happy to be the only dog or live with a medium to large dog, but he's not suited for apartment living or elderly owners who can't keep up with his energetic personality. If you're looking for a lively and adventurous companion to join your active lifestyle, Ronnie might be the perfect match! Ronnie has an old hock fracture prior to entering GAP
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Scarlett

4 years old

Meet Scarlett, a sweet and pretty greyhound who's a total sweetheart! This affectionate girl loves being around people and adores a good scratch behind the ears - she's a total pampering princess! With her gentle nature, Scarlett's a perfect companion for families or individuals looking for a loving friend. Scarlett's looking for a household with or without kids aged 10+, where she can be the only dog or live with a medium to large dog. She'll need a backyard to stretch her legs and get some exercise. If you're looking for a beautiful and loving companion to bring joy to your life, Scarlett might be the perfect fit! Scarlett has a low-grade heart murmur and an old hock fracture. Neither of these affect her day-to-day life.
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Bronte

5 years old

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Meet Bronte, a gentle soul with a heart of gold! This quiet and calm girl is a sweet and personable companion who'll bring serenity to her forever home. Bronte loves human interaction and will shower her owners with affection, but she's a bit particular about her personal space. Bronte's looking for a household with no kids, where she can relax and be herself. She's also sensitive about having her belly touched, so her new owners will need to respect her boundaries. As the only dog or living with a male greyhound, Bronte will thrive in a peaceful environment. Having completed behavioural rehabilitation, Bronte's ready to find her perfect match - if you're looking for a loving and laid-back companion, Bronte might be the one! Bronte has a low-grade heart murmur that doesn't affect her day-to-day life.
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Sophie

4 years old

Meet Sophie, a stunning and sweet greyhound who's sure to capture your heart! This pretty and outgoing girl is a social butterfly who loves meeting new people and making friends. With her affectionate nature, Sophie's always looking for someone to shower with love and attention. Sophie's looking for a household with or without kids aged 10+, where she can thrive as the only dog or live harmoniously with a medium to large dog. Having completed behavioural rehabilitation, Sophie's gained valuable skills and confidence, but she's not suited to homes with small dogs or cats. If you're looking for a beautiful and loving companion to bring joy to your life, Sophie might be the perfect fit! Sophie has an old Hock fracture with some arthritis in it. This doesnt affect her day-to-day life.
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