Related Experiment Video
Updated: May 27, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
[Forward efficacy of lacrimal passage obstruction treated by double frequency YAG laser]
Xianli Ma1, Ling Zhou, Jianbing Guo
1Guangdong Huizhou People's Hospital, Huizhou 516002, China.
Purpose:
To study the forward efficacy of lacrimal passage obstruction in different location treated by frequency-doubled YAG laser.
Methods:
The forward efficacy of obstruction at different lacrimal passage located in 66 eyes from 64 cases treated by frequency-doubled Nd:YAG laser respectively were analyzed.
Results:
The forward cure rate of stenosis of the puncta, dacryogogatresia, and common lacrimal duct stenosis is 100%, 94% and 89% respectively. As for dacryocystorhinostenosis, lower to 29%.
Conclusion:
Frequency-doubled YAG laser is more fit for puncta stenosis, dacryogogatresia and common lacrimal duct stenosis. Choosing the other treatment is suitable to dacryocystorhinostenosis which is accompanied by chronic dacyocystitis for YAG laser' s poor forward efficacy.
Related Concept Videos
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle Closure Glaucoma: Treatment

