# Nasolacrimal Duct Obstruction

> **NCT04931186** · — · COMPLETED · sponsor: **Medical University of Vienna** · enrollment: 625 (actual)

## Conditions studied

- Eye Diseases
- Lacrimal Duct Obstruction

## Interventions

- **OTHER:** retrospective analyis

## Key facts

- **NCT ID:** NCT04931186
- **Lead sponsor:** Medical University of Vienna
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-07-03
- **Primary completion:** 2020-02-06
- **Final completion:** 2020-06-11
- **Target enrollment:** 625 (ACTUAL)
- **Last updated:** 2021-06-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04931186

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04931186, "Nasolacrimal Duct Obstruction". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04931186. Licensed CC0.

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