Dogs, like people, have eyelashes to protect their eyes from tiny particles of debris. The longer eyelashes that some long-hair breeds sport also serves another purpose -- to hold those furry bangs out of the eyes. Of these dogs, the long-haired Lhasa apso, according to Guinness World Records, is the world record holder for the longest eyelashes on a dog.
As of November 2004, the Guinness World Record holder for longest eyelashes on a dog, Lhasa apso Prince Albert of Saskatchewan, Canada, was batting lashes that measured up to 5 inches in length.
Unlike humans, dog eyelashes grow only on the upper lid. Some breeds, however, especially those with long hair, are susceptible to medical conditions like distichiasis, a condition that causes abnormal eyelash growth. These extra lashes can grow as single hairs or extra rows of lashes; they have been known to grow on the lower eyelids.
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