Definition of Ectropion
Ectropion is a condition where one or both of a dog’s lower eyelids roll outward. Dogs with loose facial skin are predisposed to this disorder, and ectropion has a strong genetic component. It can also be caused by trauma, foreign bodies, infection, corneal ulceration, marked weight loss or loss of facial muscle tone around the eyes due to old age or laxity of the skin. Developmental or inherited ectropion is most frequently seen in young dogs. Acquired ectropion can be seen at any age but is more common in older animals. One or both eyes can be affected. Ectropion is almost always obvious. Affected dogs have pronounced droopy lower eyelids, watery eyes, swollen or red conjunctiva and facial staining from an overflow of tears. Since ectropion exposes the sensitive lining of the lower eyelid (the conjunctiva) to potentially harsh environmental conditions, eye infections are common in dogs with this disorder. This disorder can be treated.