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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Arrow

5 years old

Meet Arrow, this handsome boy is looking for his forever home. His loving nature and affection, he’s sure to bring joy and companionship to his family. Arrow thrives on attention and interaction, and hell reward his family with loyalty. Arrow is best suited to a household where he can be by himself, allowing him to settle in and become the beloved companion he is meant to be. He may be okay with another large or medium canine buddy. He might do well with kids 10+ who understand his boundaries and is respectful. If you are looking for a friendly, loving and confident doggo to join your family, Arrow is the perfect fit. Arrow has previously had a break in his right hand foot. This isn't causing him any trouble in his day-to-day life though!
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Hulk Smash

4 years old

Hulk is a smashing lad who is as soft on the inside as a marshmallow, we promise! The only thing he wants to crush, is your hesitation around welcoming him or one of his fellow hound heroes into your life! Hulk gets a little over exuberant at times, and needs to work on his lead skills, but this is an easy habit to overcome! If you are prepared to be patient and work with him, Hulk promises to protect and defend your heart until his last breath and beyond. He is friendly, puppyish, confident, and needs a yard to do his zoomies in and body slam those squeaky toys. He may suit living with children 10+, full time workers, and may do well on his own or with a medium or larger canine friend to take on the world with. He is a leaner, but is also independent, the perfect balance. So what are you waiting for? Come and meet him today, your love story might just be a knockout!
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Sam Iam

4 years old

Sam Iam the super sweet and social boy that just wants to please you and give you all loving that he has to give. Sam is good to walk on the lead and we think he may suit households that love to get out and about. We think he would be better in a home with a yard and no elderly or frail family members (incl. other dogs). We also think they might suit living with children 10 and above or another medium or larger dog as company. Sam has some Osteoarthritis which does affect his day-to-day life
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Bruiser

2 years old

Bruiser is a big puppy in an adult body! In new environments and with new people Bruiser can be a bit unsure and seems shy, but after some reassuring pats and some tasty treats, Bruiser will be an outgoing pup and your best friend in no time! Bruiser may suit living with or without another playful pup of similar size and children aged 15 years and older. We think Bruiser will do best in a home with a backyard so he can run and play in. Bruiser has successfully completed our onsite Behavioural Rehabilitation Program and is now ready for adoption! Bruiser has an old hock fracture, which doesn't affect his day-to-day life.
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Tremendous

5 years old

Meet Tremendous, the friendly and outgoing greyhound gentleman who's ready to bring joy and companionship into his new home! This charming boy has a big personality and loves to make new friends, both human and canine. Tremendous is a social and affectionate companion who will thrive in a family environment with plenty of love and attention. Tremendous is best suited to a home with kids aged 10+, who will appreciate his friendly nature and energetic spirit. He's looking for a household where he's the only dog or with a medium to large canine companion. Tremendous requires a home without small dogs or cats. With a loving family and a stable environment, Tremendous is sure to become a loyal and loving companion - if you're looking for a friendly and outgoing greyhound friend, Tremendous might be the perfect fit!
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Chevy Impala

4 years old

Meet Chevy Impala, the charming and unique greyhound gentleman who's looking for a home that appreciates his individuality. This boy is a bit aloof and independent, with a quirky personality that's sure to bring laughter and joy into his new home. Chevy is a loyal companion to those he trusts, and he'll reward them with affection and devotion. Chevy is best suited to a home with kids aged 15+, who will understand and respect his need for space and time to adjust. He's looking for a household where he's the only dog or with a calm and compatible medium to large canine companion. Chevy requires a home without small dogs. With a patient and loving family in a house with a yard, Chevy is sure to thrive and become a beloved member of the family - if you're looking for a loyal and affectionate greyhound friend with a bit of character, Chevy might be the perfect fit. Chevy has an autoimmune disease called Pannus, which is controlled with daily eye drops.
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Shifty

7 years old

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Meet Shifty, a 7-year-old boy who defies his age with his youthful energy and playful spirit. Don't let his mature years fool you - this lively lad is still a puppy at heart, always ready to burst into a zoomy or play with a toy. With his boundless enthusiasm and love for playtime, Shifty is the perfect companion for those who crave an active and entertaining furry friend. Despite his advancing years, Shifty shows no signs of slowing down. His tail still wags with excitement, and his eyes sparkle with mischief as he chases after toys or embarks on a high-speed zoom around the room. With his ageless personality and playful nature, Shifty is sure to bring joy and laughter into the life of his forever family. If you're looking for a fun-loving companion to keep you on your toes, Shifty is the perfect match! He may do best living as an only dog and a home with no children. He would prefer a backyard for his zoomies. He has successfully completed further training in our behavioural rehabilitation program and is now ready for adoption.
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