睑缘炎是眼睑的炎症，通常由细菌群集而引起。

Blepharitis is inflammation of the eyelid, usually from bacterial colonization.

youdao

人类还保留着第三眼睑的痕迹(没有用，图片中可以看到)。

Humans have a remnant (but non-working) third eyelid (you can see it in the picture above).

youdao

目的归纳总结美容术后不良重睑的类型及产生原因，探索矫正的方法。

Objective To sum up the types and causes of unsatisfied double eyelid after double eyelid surgery and explore the corrective methods.

youdao