What is a blaze on dog?

A blaze is a white marking on a dog's face, usually between the eyes. It can vary in size and shape, but is most commonly a vertical stripe or a diamond shape. Blazes are often seen in dogs with white markings on other parts of their body, such as the chest, legs, or tail.

Some breeds of dogs are more likely to have blazes than others. For example, German Shepherds, Border Collies, and Australian Shepherds are all breeds that commonly have blazes.

Blazes are not considered to be a fault in dogs, and are simply a cosmetic feature. However, some people believe that dogs with blazes may have better eyesight than dogs without blazes. This is because the blaze may help to reflect light away from the dog's eyes, making it easier for them to see in bright conditions.

There is no scientific evidence to support the claim that dogs with blazes have better eyesight, but it is a popular belief among dog owners.