Citation:Freitag SK, Roos JCP. Preoperative imaging should be performed prior to surgery in all cases of acquired nasolacrimal obstruction-Yes. Eye (Lond) 2017;31(3):351-352.Download CitationPubMed DOI BibTex Tagged XML Date Published:2017 MarSee also: Oculoplastics, March 2017, All, 2017Last updated on 03/31/2017 PubMedDOI