Abstract
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.
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APA
Tavakoli, M., Erickson, B., & Lee, W. W. (2021). External dacryocystorhinostomy 1 (DCR). In Operative Dictations in Ophthalmology: Second Edition (pp. 775–777). Springer International Publishing. https://doi.org/10.1007/978-3-030-53058-7_178
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