![]() Some experts say that the lack of pigment in their coats makes them more susceptible to problems with their vision and hearing. Read more about dog health and care on Dogster.The jury is still out on whether white boxer dogs are blind or deaf. Thumbnail: Photography ©EmilySkeels | iStock / Getty Images Plus. Tell us: Do you have any dogs with different-colored eyes? What breeds or mix of breeds are they? “These dogs can have a higher incidence of complete or partial deafness.” “There can be rare exceptions to this, as in the case of Dalmatians with partial or sectoral heterochromia,” he says. Payne, contrary to myth, dogs with blue eyes usually don’t have any vision problems or impairments and most of them have normal hearing. “Other conditions that can cause color changes in the eyes that are not associated with heterochromia can include cataracts, glaucoma, corneal dystrophy, uveitis, nuclear sclerosis, underdeveloped optic nerve and retinal dysplasia,” Dr. If you notice a change in the color of your dog’s eyes or if your dog’s eyes seem painful or uncomfortable, bring your dog to the veterinarian for an eye exam. Some of these conditions can be very uncomfortable for pets and if left unaddressed could lead to permanent damage or even loss of vision.” Are dogs with different-colored eyes at risk for any health problems? Are dogs with different-colored eyes at risk for certain health issues? Photography ©Ben-Schonewille | iStock / Getty Images Plus. “There are many other conditions that may affect eye color in dogs and cats. “This can be attributed to many factors, such as inflammatory conditions, physical injuries and even certain medications,” Dr. With acquired heterochromia, a loss of pigmentation within the iris occurs because of some other cause. These types are frequently seen in Border Collies, Catahoula Leopard Dogs, Chihuahuas, Dachshunds, Dalmatians, Great Danes (harlequin coat pattern), Shetland Sheepdogs, Siberian Huskies and Shih Tzus. Payne, sectoral and central heterochromia (called heterochromia iridis) seems like an overall more common presentation in dogs. Central (different colors within the iris give a spiked or haloed appearance).Ĭomplete heterochromia in dogs is frequently seen in Australian Cattle Dogs, Australian Shepherds, Dalmatians and Siberian Huskies.Sectoral (part of the dog’s iris is blue and the rest of that eye is a different color).Complete, also known as heterochromia irides (one eye is a completely different color than the other eye).There are three variations of hereditary heterochromia in dogs: Heterochromia in dogs may be hereditary (the dog was born that way) or acquired (the dog’s eyes change color over time). This results in the absence of melanocytes in the iris, giving them blue eyes.” What factors determine heterochromia in dogs? Pets with blue eyes have a genetic mutation in the genes that is responsible for regulating the concentration and distribution of melanin. “The iris in most dogs and cats has high amounts of melanocytes that give it the normal dark to golden-brown color. “The color of the iris is determined by the presence of pigment, also known as melanin,” Dr. The iris is the colored part of a dog’s eye. Interestingly, in Dalmatians there appear to be more females affected than males.” “ Merle, dapple, white, and increased white patterns around the head all appear to be more prevalent. “Coat color and pattern can also have an influence on heterochromia,” explains Doug Payne, DVM, medical director of VCA East Penn Animal Hospital in Pen Argyl, Pennsylvania. Heterochromia in dogs is common in breeds like Australian Cattle Dogs, Australian Shepherds, Border Collies, Chihuahuas, Dachshunds, Dalmatians, Great Danes (harlequin coat pattern), Shetland Sheepdogs, Siberian Huskies and Shih Tzus. ![]() Photography ©Eudyptula | iStock / Getty Images Plus. What breeds are most likely to have heterochromia? Different-colored eyes are more common in certain breeds, like Siberian Huskies. Let’s learn more about dogs with different-colored eyes or heterochromia in dogs. Some dogs have blue eyes, and some dogs even have two different-colored eyes, sometimes referred to as “odd eyes.” This hauntingly beautiful phenomenon, called heterochromia, can also occur in cats and even people. Many dogs have brown eyes (or golden- or amber-colored eyes, which are a variation of brown).
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