Valsalva DCR bubble test.
Neuhaus
R W
RW
D003608:Dacryocystorhinostomy; D006801:Humans; D007765:Lacrimal Apparatus / Q000502:physiology*; D007767:Lacrimal Duct Obstruction / Q000503:physiopathology*; D009301:Nasolacrimal Duct / Q000502:physiology*; D009885:Ophthalmology / Q000379:methods; D014636:Valsalva Maneuver