Unfortunately, the same gene that is responsible for the desirable coat and eye appearance is often responsible for many
developmental eye defects.
The «double merles» will also have
developmental eye defects which in Aussies are generally severe and may be deaf if there is extensive white on the head.
Not exact matches
Collie
eye anomaly (CEA) is also called «collie
eye defect» and is an inherited,
developmental disease in dogs.