title: Update on congenital nasolacrimal duct obstruction.
authors.forename: Scott E
authors.initials: SE
authors.lastname: Olitsky
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007767:Lacrimal Duct Obstruction / Q000151:congenital* / Q000175:diagnosis / Q000628:therapy*; D009301:Nasolacrimal Duct / Q000601:surgery; D017410:Practice Guidelines as Topic