Blocked tear ducts appear when your eye's drainage system for tear is obstructed, partially or completely. And you will find that your eyes get watery, irritated and infected. Ordinarily speaking, Blocked tear ducts are not very dangerous diseases but still need enough attention and treatment. Speaking of the treatment of blocked tear ducts, I have several suggestions for you here. Firstly, for babies' congenital blocked tear ducts, a special massage technique is recommended to help open up the membrane covering the lower opening into your baby's nose. This is to put pressure on the lacrimal sac to pop open the membrane at the bottom of the tear duct. Secondly, blocked tear ducts caused by facial injuries will get cured on their own after some time and do not need any treatment. Thirdly, the most preferred treatment for chronic blocked tear ducts are surgeries such as stenting and intubation.