Two cases of nasolacrimal duct obstruction operated by endoscopic dacryocystorhinostomy after orbital fracture reconstruction with an implant.

One previous report of NLDO after orbital floor fracture reconstruction was performed with external dacryocystorhinostomy with implant removal. Dacryoendoscopy and CT are useful for confirming the location of the implant and obstruction. Depending on the implant's location, it may be possible to perform EnDCR without removing the implant.