title: Nasolacrimal obstruction.
authors.forename: Ian C
authors.initials: IC
authors.lastname: Francis
authors.forename: Daya
authors.initials: D
authors.lastname: Papalkar
authors.forename: Derek G
authors.initials: DG
authors.lastname: Chan
authors.forename: Eric B
authors.initials: EB
authors.lastname: Papas
authors.forename: Fiona
authors.initials: F
authors.lastname: Stapleton
mesh_terms: D003608:Dacryocystorhinostomy; D003941:Diagnostic Techniques, Ophthalmological; D006801:Humans; D007767:Lacrimal Duct Obstruction / Q000175:diagnosis*; D009301:Nasolacrimal Duct / Q000473:pathology*; D013666:Tears / Q000737:chemistry*; D007507:Therapeutic Irrigation