External dacryocystorhinostomy 1 (DCR)

Mehdi Tavakoli, Benjamin Erickson, Wendy Lee

Research output: Chapter in Book/Report/Conference proceedingChapter


Nasolacrimal duct obstruction is a common cause of chronic epiphora and may frequently lead to mucopurulent ocular discharges, chronic dacryocystitis, and acute dacryocystitis. External dacryocystorhinostomy is a standard surgery in which a new passageway is established to bypass the occluded or narrowed nasolacrimal duct for the tear drainage.

Original languageEnglish (US)
Title of host publicationOperative Dictations in Ophthalmology
PublisherSpringer International Publishing
Number of pages3
ISBN (Electronic)9783319454955
ISBN (Print)9783319454948
StatePublished - Apr 24 2017


  • Canaliculi
  • Dacryocystorhinostomy (DCR)
  • Lacrimal pump
  • Lacrimal sac
  • Lacrimal surgery
  • Nasal bone
  • Nasal cavity
  • Nasolacrimal duct
  • Nasolacrimal duct obstruction (NLDO)
  • Punctum
  • Silicone tube

ASJC Scopus subject areas

  • Medicine(all)


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