Test for spontaneous canalicular functioning.
D002404:Catheterization; D003608:Dacryocystorhinostomy; D005452:Fluoresceins; D006801:Humans; D007267:Injections; D007765:Lacrimal Apparatus / Q000503:physiopathology*; D007767:Lacrimal Duct Obstruction / Q000503:physiopathology*; D008722:Methods
D005452:Fluoresceins