Dog Glaucoma

"Dog glaucoma is one of the most common causes of blindness in dogs. It is a condition where fluid builds up in the eye causing an increase in pressure. It can be inherited or caused by eye inflammation or trauma. Treatment options include medication or surgery. New surgical procedures involve the use of surgical implants. Severe or acute glaucoma requires immediate treatment to avoid vision loss."

Glaucoma is a condition where the fluid pressure in the eye is higher than normal. It results in loss of vision and be painful for your dog. The condition is progressive meaning it gets worse over time.

Glaucoma in dog is caused by pressure from a build of fluid where the iris meets the cornea. When the fluid doesn't drain normally pressure builds.

The condition is either inherited (primary glaucoma) or a result of another disease (secondary). Secondary glaucoma can be caused by:

* Inflammation in the eye
* Eye injury
* Eye tumor
* Dislocated lens

If the glaucoma is severe (acute) then emergency treatment is needed to relieve the pressure. Not doing so can result in vision loss.

Glaucoma in dog is difficult to diagnose. A device is used to measure the pressure. Accurate readings are influenced by the breed, time of day, restraints and age. For this reason several readings are often taken.

Breeds Susceptible to Glaucoma

There are over 40 breeds where glaucoma can be inherited (called primary glaucoma). These include:

Symptoms of Dog Glaucoma

Canine glaucoma symtoms include:

* Redness
* Cloudy eyes
* Tearing
* Vision loss
* Elevated third eyelid
* Poor appetite
* Enlarged eyeball
* Tiredness or lethargy

Picture of Dog Glaucoma

Dog Glaucoma

Dog glaucoma is a condition where pressure builds in the eye resulting in pain and vision loss. Other clinical dog eye symptoms include lethargy, appetite loss, eye redness, and enlargement of the eye.

Treatment of Dog Glaucoma

Glaucoma in dog is difficult to treat. Treatment includes oral and topical medications. Surgical options include laser surgery and cryosurgery to help drainage or insert a drainage device.

If treatment is not an emergency, the medications will be tried first to see if the eye pressure (IOP) can be brought into normal range. Your veterinarian will need to monitor your dog's eye condition every 2 weeks for the first month. If eye pressure cannot be controlled then surgery may be needed.

There is a new surgical approach called TR-ClariFEYE, which is a 30 minute procedure involving an implant which is inserted into the eye. The device can help to control pressure in the dog's eye and can lead a reduced need for topical eye treatment. More information and a list of veterinary ophthalmologists that perform the procedure can be found at PetGlaucoma.com.

If you dog is in pain then the eye may need to be removed (called enucleation) or replaced with silicone. Even with surgery and medications, irreversible blindness may still occur.



Canine Glaucoma. Recent Advances in its Diagnosis and Treatment

Daniel Herrera, MV, PhD
Diplomate of the Latin American College of Veterinary Ophthalmologists
University of Buenos Aires Argentina

Glaucoma: What Can I Do Before I Send It?
C.M.H. Colitz
Animal Eye Specialty Clinic, West Palm Beach, FL, USA

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