Congenital nasolacrimal duct obstruction
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients from three months to twelve months who are diagnosed with congenital nasolacrimal duct obstruction. (2) Patients whose legally acceptable representative provided voluntary written consent for participation in this study
Exclusion criteria
Exclusion criteria: 1. Patients with congenital malformation, mental retardation, and facial anomalies. 2. Patients who have had a history of perinatal abnormality. 3. Patients with diseases such as keratitis and epiblepharon that may lead epiphora and eye discharge. 4. Patients who have had a history of surgery on lacrimal apparatus. 5. Patients who have had a history of facial injury that may affect lacrimal duct. 6.Patients who have had a history of infectious disease such as epidemic keratoconjunctivitis and herpes palpebrae that may lead lacrimal duct abnormality. 7. Patients with atresia puncti lacrimalis or lacrimal fistula. 8.Patients with congenital dacryocystocele or acute dacryocystitis. 9. Patients with severe blepharitis. 10. Patients who are considered inadequate to participate in this study by the medical doctor.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cure rate at 1 month | — |
Secondary
| Measure | Time frame |
|---|---|
| Duration of treatment until cure (up to 3 month), Number of lacrimal sac massage until cure, drop-out rate, rate of surgical intervention, and safety | — |
Countries
Japan
Contacts
Yokohama City University Ophthalmology