Nasolacrimal Duct Obstruction



Nasolacrimal duct obstruction (NLDO) is a blockage of the nasolacrimal duct, which is a small tube that drains tears from the eye to the nose. It is a common condition in newborns, but it can also occur in adults.

There are many causes of NLDO. If you have questions about nasolacrimal duct obstruction, it is important to seek care with an eye care professional.