Endo-nasal Endoscopic DCR and External-DCR in Primary Nasolacrimal Duct Obstruction
NCT02993770
·
clinicaltrials.gov ↗
NA
Phase
UNKNOWN
Status
120
Enrollment
OTHER
Sponsor class
Conditions
Primary Acquired Nasolacrimal
Interventions
PROCEDURE:
Endoscopic DCR
PROCEDURE:
External DCR
Sponsor
Tehran University of Medical Sciences