Cherry Eye
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Stars in your eyes are one thing, but "cherries" in your dog's eyes signal trouble. Clinically known as nictitans gland prolapse, cherry eye leaves a mass of red tissue visible in the inside corner of the dog's eye. The condition occurs when the dog's third eyelid pops out or otherwise becomes dislodged from its normal position.Like cats, dogs have three eyelids - an upper, a lower and a third, largely invisible, eyelid which contains a tear gland and acts as a windshield wiper across the eye. It's when this third eyelid comes loose from its normal position (prolapses) and swells that the animal is diagnosed with cherry eye. [...]