Collie Eye Anomaly

This is an eye disease very prevalent in collies, hence the name. It is also technically known as Choroidal Hypoplasia (CH). It is also shared with several other breeds including shelties.

It is a congenital, inheritable disease that is genetically recessive. This means if the dam or sire carry the gene, it can be passed on to puppies.

Those pups with only one defective gene will not exhibit the disease itself. They are considered carriers.

However if a “carrier” is bred to another “carrier” there is a chance that some of their offspring wi…