Nasolacrimal drainage system obstruction after orbital decompression.
D006801:Humans; D007765:Lacrimal Apparatus; D007766:Lacrimal Apparatus Diseases / Q000209:etiology; D007767:Lacrimal Duct Obstruction / Q000209:etiology*; D009301:Nasolacrimal Duct; D009915:Orbit / Q000601:surgery*