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208 Breeds, 422 Health Conditions  |  Find a Vet

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Congenital Stationary Night Blindness

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Condition Overview

This is a degenerative disease of the retina seen in Briards and also in people. This inherited eye disorder principally affects the rod photoreceptors in the retina, impairing night vision. There may also be moderate to high myopia (short-sightedness).

Symptoms

Poor night vision in dogs.

Causes

This inherited eye disorder principally affects the rod photoreceptors in the retina, impairing night vision.

Diagnosis

The disorder is diagnosed by electroretinography. Eventually it leads to blindness.

Treatment

Veterinarians at Cornell University's College of Veterinary Medicine have used gene therapy to restore the vision to affected dogs. While gene therapy is certainly a hope for the future of individual dogs, it is still best to have a CERF (Canine Eye Registry Foundation) exam and use genetic testing to screen breeding dogs to prevent producing puppies with this defect.

Prevention

It is important to certify all breeding stock and register all offspring with CERF or the GDC (the Institute for Genetic Disease Control in Animals).

Support

Please contact your veterinarian if you suspect your pet may have this condition.

Show Sources & Contributors +

Sources

Dog Owners Home Veterinary Handbook

Publisher: Wiley Publishing, 2007

Website: http://www.wiley.com/WileyCDA/

Authors: Debra M. Eldredge, Liisa D. Carlson, Delbert G. Carlson, James M. Giffen MD

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