Ophthalmologic

This is a Eyes condition.

Macular Corneal Dystrophy, MCD

What is MCD?

A disease of middle-aged dogs, MCD was first characterized in the Labrador Retriever. Affected dogs begin to show clouding of the eyes and visual impairment due to abnormal corneal accumulation of complex carbohydrates called glycosaminoglycans. Currently there is no cure for canine MCD, though in humans, a corneal transplant is the gold standard of treatment.

What are the signs & symptoms that develop in affected dogs?

You will notice the surface of your dog's eyes becoming cloudy. They may or may not have trouble with vision: bumping into walls, hesitant on steps, and cautious in unfamiliar locations.

When do signs and symptoms develop?

This is a disease of middle aged dogs.

How do vets diagnose this condition?

Veterinarians perform a complete ocular exam and also genetic testing to diagnose this condition.

How is this condition treated?

Currently there is no cure for canine MCD, though in humans, a corneal transplant is the gold standard of treatment.

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