To evaluate the long-term efficacy (5 years) of Song's stent in the treatment of naso-lachrymal duct obstruction.
MATERIALS AND METHODS
We examined Song's stents installed in 64 eyes from 62 patients with naso-lachrymal duct obstruction (NLD). Of the 64, 48 were women and 14 men of mean age 60 SD 13.17 years. Obstructions of right side 62.5% and… (More)