What painful physical effect occurs when a Collie suffers from Entropion?
Answer
Inward rolling of the eyelid causing eyelashes to rub the cornea
Entropion is a specific, painful eye condition distinguished by the abnormal inversion or inward rolling of the eyelid margin. When this occurs in a Collie, the eyelashes or normal hair growth along the lid edge comes into direct, abrasive contact with the surface of the cornea, which is the sensitive outer layer of the eye. This constant friction causes significant irritation, pain, and potential corneal damage, which can lead to ulceration if untreated. Successful correction of Entropion, especially when diagnosed early, often necessitates surgical intervention to correct the anatomical misalignment of the eyelid.
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