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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Mia

7 years old

Meet Mia, a friendly and affectionate greyhound who's bursting with enthusiasm! This extroverted girl loves people and can't get enough attention - she's always eager to please and shower her humans with affection. With her bubbly personality, Mia's sure to bring joy and excitement to her forever home. Mia's looking for a household where she can be the only dog, and she's suitable for families with or without kids aged 10+. While she's a wonderful companion, Mia's still working on her manners, so she'll need a patient and understanding owner to help her learn and grow. If you're ready to provide Mia with love, guidance, and a forever home, she'll reward you with loyalty, affection, and plenty of personality!

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Barty

3 years old

Meet Barty, a sweet and social ace who's ready to serve up love and affection in her forever home! This puppyish girl is a ball of energy, always seeking eye contact and enthusiastic about meeting new people. With her charming personality, Barty's sure to charm her way into your heart. Barty's looking for a household with or without kids aged 10+, where she can be the star player as the only dog or paired with a medium to large dog. She'll need a backyard to run around in and burn off her excess energy. Having completed behavioural rehabilitation, Barty's not suited to homes with small dogs or cats, but she's ready to ace her way into your life with love and enthusiasm. If you're looking for a lively and loving companion, Barty might be the perfect match!
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Harmoni

4 years old

Harmoni is a darling girl that is calm, sweet and friendly. She loves attention and will happily be doted on all day, when she isn't snoozing of course. Harmoni is a smaller girl that we think may suit families with children 5 and over and another medium or larger male canine friend. Harmoni has spent time learning how to socialize with other breeds of dogs at GAP and is ready to become a lovely pet. Due to her lovely nature, we think she may suit living in an apartment as well! Harmoni has had previous corn which she had a flexor tenotomy performed to help with this. She has healed up; and is ready to go!
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Lilo

6 years old

Meet Lilo, the one and only! This affectionate and puppyish greyhound is a bundle of energy, always ready to burst into zoomies and bring the noise! Like her namesake from the classic Disney duo, Lilo's a boisterous and extroverted girl who'll keep you on your toes. With her playful and mischievous personality, she's looking for a household that's ready for the adventure! Lilo's best suited to a home with kids aged 15+ who can keep up with her energetic antics. She needs a household with a spacious backyard where she can run around and burn off energy. An active home with experienced owners who can provide structure and exercise is a must for this lively girl. She's looking for a household with either no other dogs or a medium to large dog that's compatible with her playful vibe. If you're ready to take on the ohana and provide a loving home for Lilo, she'll bring joy and excitement to your life!
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Samuel

5 years old

This boy is a big goofy fella that will keep you laughing with his silly nature. He is personable and affectionate but also one of those that will lean on you for pats till you fall over! Samuel has recently done some training with the GAP team to improve his interactions with other breeds of dogs and all-round manners, he is now ready to jump into your home and life! We think he may suit living with children 5 and over and either as an only dog or with another medium to large companion.
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Pickles

5 years old

Meet Pickles with his big floppy ears that makes him look like a cross breed! In new situations and environments, he can be a little unsure but doesn't take him long for his true colours to shine through and is super friendly and affectionate and if you're lucky he may even jump up for a cuddle! Pickles may suit living with or without a canine pal of similar size and children aged 10 years and older. This big playful boy will likely do best in a home with a backyard.
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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 15+, 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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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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Winnie

2 years old

Meet Winnie, this pretty girl is looking for her forever home. Winnie is sweet, confident and fun-loving. She has a playful, excitable and enthusiastic side, because of her nature she may suit a family with older kids (10+) and would love a backyard where she can burn off some energy. She may also suit living with robust medium and large dogs who can keep up with her lively spirt.

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Hondo

6 years old

Handsome Hondo can't wait to find his forever home - is it with you? He's a confident and outgoing boy who can still get a bit excited when he meets new dogs, so he'd prefer a home with an experienced greyhound or sighthound owner. He would likely be ok with children aged ten or older, and should be fine with full time workers. Hondo has a heart murmur and comes with an approval for a follow up appointment for an echo, paid for by GAP.
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