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Dacrocystorhinostomy—DCR (Gr. Δακρυο-κυστο-ρινο-στομια, Dakryon: Tear, Kystis: Bag, Rhis: nose, Stoma: mouth/opening) is a surgical creation of an opening between the lacrimal sac and nasal cavity, or a surgical procedure to restore the flow of tears into the nose from the lacrimal sac when the nasolacrimal duct does not function. If the procedure fails, the option is to then insert a conjunctivo-DCR tube (eg, Lester Jones tube) as a conduit between tear film and nasal passage (figure 1).
Current literature identifies Celsus and Galen as some of the earliest physicians to attempt surgical correction of epiphora by applying hot cautery on the caruncle1 (which was wrongly thought to …
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.