# Validation Study on Eye Rubbing Questionnaire in Patients With or Suspected of Having a Keratoconus (KC)

> **NCT04517903** · NA · COMPLETED · sponsor: **University Hospital, Bordeaux** · enrollment: 292 (actual)

## Conditions studied

- Keratoconus

## Interventions

- **OTHER:** eye rubbing questionnaire

## Key facts

- **NCT ID:** NCT04517903
- **Lead sponsor:** University Hospital, Bordeaux
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-03-16
- **Primary completion:** 2021-10-13
- **Final completion:** 2021-10-13
- **Target enrollment:** 292 (ACTUAL)
- **Last updated:** 2025-02-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04517903

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04517903, "Validation Study on Eye Rubbing Questionnaire in Patients With or Suspected of Having a Keratoconus (KC)". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04517903. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*