Nasolacrimal duct stent for the treatment of Lacrimal duct obstruction

Abstract

Objective To evaluate the clinical effects of nasolacrimal duct stent for the treatment of lacrimal duct obstruction.Methods Using Song 601 nasolacrimal duct stent,sets were placed in 185 cases(211 eyes)with lacrimal duct obstruction, through nasal cavity under topical anaesthesia.Results The technical success rate was 100%.During the follow up of 1 to 32 months,irrigation of duct stent found that 186eyes were unobstructed,the effective rate were 88%.Intra-and post-operative complications:pain of the lacrimal duct,hemorrhage,obstruction or fall of the stent,and lacrimation.Conclusion Intervental technique of nasolacrimal duct stent is a safe and effective procedure for lacrimal duct obstruction.it has the advantages of micro-invasive, short operation time and hospital stay after operation. Key words: Nasolacrimal duct stent ; Lacrimal duct obstruction ; Intervent ional therapy ;