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Updated: Jul 15, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
Use of laser for dacrocystorhinostomy
Mohammad Ajalloueyan1, Mohammad Fartookzadeh, Hamid Parhizgar
1Department of Otolaryngology-Head and Neck Surgery, Baqiyatallah Medical Sciences University, Tehran, Iran. ajall@ajall.com
Objective:
To compare outcomes between conventional external dacrocystorhinostomy (ext DCR) and endonasal laser-assisted DCR (ELADCR).
Design:
Prospective randomized trial.
Patients:
The study included 210 consecutive patients (244 eyes) referred to hospital eye and ear, nose, and throat clinics.
Main Outcome Measures:
Success rates and complications of ext DCR and ELADCR were compared after lacrimal ducts requiring DCR were randomly chosen and divided into 2 groups (ext DCR and ELADCR).
Results:
The success rate was statistically equal in both groups (92.4% for ext DCR and 94.2% for ELADCR); however, morbidity (eg, intraoperative hemorrhage and wound scar) and operation time were less in the ELADCR group.
Conclusion:
Preoperative patient consultation for selection of the surgical modality may help select the procedure of choice for each patient with regard to aesthetics, anesthesia, operation time, and costs.

