Blocked tear duct (excl congenital) | Lacrimal duct obstruction | Lacrimal duct obstruction (acquired) | Lacrimal duct obstruction NOS | Stenosis and insufficiency of lacrimal passages | Stenosis of lacrimal canaliculi | Stenosis of lacrimal punctum | Stenosis of lacrimal sac | Stenosis of nasolacrimal duct, acquired | Dacryostenosis acquired | Lacrimal Duct Obstruction | Duct Obstruction, Lacrimal | Duct Obstructions, Lacrimal | Lacrimal Duct Obstructions | Obstruction, Lacrimal Duct | Obstructions, Lacrimal Duct | Tear Duct Obstruction | Duct Obstruction, Tear | Duct Obstructions, Tear | Obstruction, Tear Duct | Obstructions, Tear Duct | Tear Duct Obstructions |