Cone degeneration (also called Achromatopsia) is a disease characterized by loss of cone photoreceptor function, resulting in daytime blindness, complete color blindness and reduced central visual acuity. The cause of this disease is a deletion involving several genes, including the key gene CNGB3.
The disease mainly affects breeds of Arctic lineage such as the Siberian Husky or the Alaskan Malamute.
Inheritance is autosomal recessive.
Australian Shepherd, Siberian Husky,
Gene and mutation