Clinic observation of 108 cases of nasolacrimal stent implantation for nasolacrimal duct obstruction

Objective To observe the efficacy and practicability of the treatment for nasolacrimal duct obstruction with nasolacrimal stent implantation.Methods One hundred and eight cases(108 eyes)of nasolacrimal duct obstruction were placed nasolacrimal stent.All patients were divided into two groups according to postoperative follow-up time.Group A consisted of 57 cases and were observed for more than 3 years after operation.Group B consisted of 51 cases and were observed 6 months to 3 years.A chi-square test was used to compare these two groups.Results The cure rates of Group A and Group B were 80.7% and 82.3% respectively.There was no significant difference in cure rate between these two groups.Conclusions The treatment for nasolacrimal duct obstruction with nasolacrimal stent implantation is convenient method with higher successful rate,minimal tissue damage and simple appliance. Key words: Nasolacrimal stent; Nasolacrimal duct obstruction; Chronic dacryocystitis