Congenital obstruction or stenosis of nasolacrimal duct. Stenosis and insufficiency of lacrimal passages
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: to have congenital nasolacrimal duct obstruction; to have a history of failed probing in any age; to be 2-7 years old without a history of prior probing. Exclusion criteria: to have a history of prior surgery on nasolacrmal system such as intubation and DCR; patients with Down syndrome; to have a proximal nasolacrimal duct anomaly; to have a history of trauma to nasolacrimal system; craniofacial abnormality.
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Abcense of epiphora. Timepoint: 6 weeks after the stent removal. Method of measurement: DDT test. | — |
Secondary
| Measure | Time frame |
|---|---|
| Surgery complication. Timepoint: 6 weeks after the stent removal. Method of measurement: Examination. | — |
Countries
Iran (Islamic Republic of)
Contacts
Tabriz University of Medical Sciences