Certified clear of hereditary eye diseases by a veterinary ophthalmologist before breedings: the recommendation is yearly or a maximum of 18 (eighteen) months between examinations. (toller.ca)
An ECR exam screens for hereditary eye diseases and abnormalities in purebred dogs. (ofora.com)
A test of the CRISPR technique in mice shows that it has real promise for treating hereditary eye diseases, although several hurdles remain (newscientist.com)