Occasionally, inventions that strike us as seemingly silly and unnecessary end up turning out to address a real need—such as Doggles, the goggle-style sunglasses for dogs. These canine shades do more than protect your pet from the sun's glare: They also keep out dust, debris and wind, block UV rays and assist in relieving ocular medical conditions, such as a rare autoimmune disorder that prevents dogs' eyes from producing tears.
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