Rarely, ectropion is present at birth, (congenital) .

先天性眼睑外翻比较。

Facial paralysis that affects eyelid muscles can lead to ectropion.

影响眼睑肌肉面瘫会导致眼睑外翻。

Previous eyelid surgery can cause ectropion, particularly if a considerable amount of skin was removed from the eyelid at the time of surgery.

以前眼睑手术可能会导致眼睑外翻，特别是手术时从眼睑切除了较多皮肤情况下。

Signs and Symptoms include: If you have ectropion, your lower lid pulls away from your eye and tears don't drain properly into the puncta.

如果你患有眼睑外翻，睑缘会离开眼球，泪水不能正确地排入眼窝。