title: Dilation and diagnostic irrigation of the lacrimal drainage system.
abstract: The anatomy of the lacrimal excretory system provides a logical basis for evaluation of the physiological drainage of tears. A review of the methods for examining the lacrimal drainage passages with emphasis on the techniques of punctal dilation and diagnostic irrigation is presented.
mesh_terms: D003955:Diagnostic Tests, Routine; D004106:Dilatation; D019793:Fluorescein; D005452:Fluoresceins; D006801:Humans; D007765:Lacrimal Apparatus / Q000033:anatomy & histology / Q000502:physiology*; D007766:Lacrimal Apparatus Diseases / Q000175:diagnosis*; D007507:Therapeutic Irrigation
chemical_list: D005452:Fluoresceins; D019793:Fluorescein