Blue-eyed dogs have a striking appearance that captures attention and hearts alike. Whether you’re admiring a Siberian Husky’s icy gaze or a border collie with one piercing blue eye, these rare and beautiful eyes often come with questions. Is it natural? Does it indicate a health issue? And what breeds are more likely to have them?
In this guide, we’ll explore everything you need to know about blue eyes in dogs, including the genetics behind the color, potential health concerns, and which breeds are most likely to display this eye-catching trait.
What Causes Blue Eyes in Dogs?
Blue eyes in dogs are the result of genetics, specifically related to lack of pigment (melanin) in the iris. Several factors can lead to blue eyes:
Merle gene: Common in breeds like Australian Shepherds and Collies. It causes a mottled coat and can result in one or both eyes being blue.
ALX4 gene on chromosome 18: Associated with blue eyes in some Siberian Huskies and other breeds.
Lack of pigmentation: Seen in dogs with white or very light-colored coats, especially around the face.
Are Blue Eyes in Dogs Rare?
While not extremely rare, blue eyes are less common than brown eyes in dogs. Most dogs have dark brown or amber eyes due to higher levels of melanin. Blue eyes are more frequently seen in certain breeds, and even within those breeds, not every individual will have them.
Are Blue Eyes More Sensitive to Light?
While some believe that blue-eyed dogs may be more sensitive to bright light, there is no strong scientific evidence to confirm this. However, like all dogs, it’s important to monitor your pet for signs of eye discomfort or squinting, especially in outdoor environments.
Final Thoughts
Blue-eyed dogs are undeniably beautiful and often carry a unique charm. While their eye color is typically the result of genetics, it’s important for pet owners to be aware of the associated traits, especially in breeds linked to potential health risks. If your dog has or develops blue eyes, enjoy their uniqueness — and be sure to keep up with regular veterinary care to ensure their eyes are as healthy as they are stunning.
Learn More
For more information on canine genetics and eye health, visit the Petniq or speak to your local veterinarian.