# Comparison of Three Corneal Horizontal Marking Techniques Using iTrace™

> **NCT01972191** · — · COMPLETED · sponsor: **Yonsei University** · enrollment: 156 (actual)

## Conditions studied

- Corneal Horizontal Marking.

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01972191
- **Lead sponsor:** Yonsei University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-10
- **Primary completion:** 2013-08
- **Final completion:** 2013-08
- **Target enrollment:** 156 (ACTUAL)
- **Last updated:** 2013-10-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01972191

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01972191, "Comparison of Three Corneal Horizontal Marking Techniques Using iTrace™". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01972191. Licensed CC0.

---

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