Upper lid entropion involves the eyelashes rubbing on the eye, but the lower lid usually has no eyelashes, so hair rubs on the eye.

 
  • 上眼睑内翻导致睫毛摩擦眼球,而下眼睑通常没有睫毛,因此下眼睑内翻引起毛发摩擦眼球。
今日热词
目录 附录 查词历史