Chronic dacryocystitis is very common ocular disorder since the results of surgery are not 100 percent so many surgical modalities have been intduced   in past the surgical procedures have been as follows  DCR Caniculo DCR Trans canicular DCR In the intermediate stage following procedures have been introduced  Endoscopic DCR Mitomycine assisterd endoscopic DCR Laser assisted endoscopic DCR At  present, the following surgical modalities are in use   Ballon dacrocystoplasty Tubal intubation Lacrimasl stent procedure Share your views.