title: Congenital abnormalities of lacrimal drainage: management of difficult cases.
abstract: Various congenital anomalies of the lacrimal drainage system are described against the background of normal development and their effective management is outlined.
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D007765:Lacrimal Apparatus / Q000002:abnormalities* / Q000601:surgery; D008297:Male