Primary Acquired Nasolacrimal Duct Obstruction (PANDO) is a common condition that causes a blockage in the nasolacrimal duct, preventing tears from draining normally from...
What is Primary Acquired Nasal Duct Obstruction?
Primary Acquired Nasolacrimal Duct Obstruction (PANDO) is a condition characterized by a blockage in the nasolacrimal duct, which...