Your doctor may also suggest occluding the opening of the tear drain in the eyelid with special inserts called punctal plugs.This works like closing a sink drain with a stopper.

• 你的医生可能会建议你用一种叫punctal塞的特殊植入物来闭塞眼睑中排泪管道的开口处，这就像用塞子堵住水池的排水口一样。