Inclusion Criteria:  All patients presented with epiphora due to nasolacrimal duct obstruction with patent canaliculi. failed conservative treatment in the form of systemic antibiotics, steroid/antibiotic eye drops, decongestant nasal drops and local nasal steroid spray. fit for surgery under general anesthesia.  Exclusion Criteria:  1- Epiphora due to pre-saccal obstruction of lacrimal drainage system.  2. Eye disease causing increased lacrimation and eyelid malposition  3. Lacrimal fistula.  4. Tumors of the lacrimal passage, nose or paranasal sinus.  5. Patients with abnormal bleeding or coagulation time.