| Links |
| Canine Eye Registration Foundation (CERF) - |
| An organization that is dedicated to the elimination of heritable eye disease in purebred dogs. |
| American Kennel Club (AKC) - |
| An organization that is committed to every aspect of the purebred dog. |
| A website that contains databases of DNA testing results for Collie Eye Anomaly (CEA) / Choroidal Hypoplasia (CH), Neuronal Ceroid Lipofuscinosis (NCL or CL), and Trapped Neutrophil Syndrome (TNS) submitted by Border Collie owners/breeders. |
| OptiGen - |
| A company that provides diagnoses and information about inherited diseases of dogs through DNA testing. |
| This organization works to improve the health and well being of companion animals through a reduction in the incidence of orthopedic and genetic diseases. |