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third eyelid

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third eyelid

third eyelid eversion
the free margin of the third eyelid is rolled outwards because of a curvature of the cartilage. More prevalent in large breeds of dogs and may be an inherited defect in St. Bernards and German shorthaired pointers.
Enlarge picture
Eversion of the third eyelid in a dog. By permission from McCurnin D, Poffenbarger EM, Small Animal Physical Diagnosis and Clinical Procedures, Saunders, 1991
third eyelid protrusion syndrome


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AA quick check by your vet would be a good idea as, although it does sound like your Westie has a simple bacterial infection in his eye, there could be a small foreign body lodged behind the third eyelid or damage to the eye itself which is causing the infection to linger.
Sometimes a contact lens or the third eyelid can be used to temporarily cover the defect, giving it a chance to heal, just like a ramp on a newly-repaired road.
But this third eyelid will also show once a cat is happy.
 
 
 
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