Abstract:·AIM:To discuss an effective surgery method for chronic dacryocystitis.·METHODS:Thirty patients with chronic dacryocystitis were collected and performed the improved nasal endoscopic dacryocystorhinostomy combined with nasolacrimal intubation and mitomycin C,the effect was observed.·RESULTS:The postoperative follow-up ranged from 6 months to 24 months,29 patients were cured,the cure rate was 97%,1 case failed.·CONCLUSION:Improved nasal endoscopic dacryocy-storhinostomy combined with nasolacrimal intubation and mitomycin C has higher cure rate,little hemorrhage and no scar of face,accurate location,at the same time,the mitomycin cotton was remained,which can prevent the growth of granulation tissue and the formation of fibrous scar,so it can increase the success rate of operation.·
