Facial paralysis that affects eyelid muscles can lead to ectropion.

影响睑肌肉的面瘫会睑外翻。

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

先性睑外翻比较罕见。

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

以前的睑手术可能会睑外翻，特别是手术时从睑切除了较多皮肤的情况下。

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.

如果你患有睑外翻，睑缘会离开球，泪水不能正确地排入窝。