# CHOICE OF SUBJECTIVE OCULAR REFRACTION TECHNIQUE AND CORNEAL TOPOGRAPHY OF KERATOCONUS

> **NCT04174209** · NA · COMPLETED · sponsor: **University Hospital, Clermont-Ferrand** · enrollment: 52 (actual)

## Conditions studied

- Keratoconus
- Alteration of Visual Acuity

## Interventions

- **BEHAVIORAL:** Cylinder
- **BEHAVIORAL:** Dial
- **BEHAVIORAL:** Slit

## Key facts

- **NCT ID:** NCT04174209
- **Lead sponsor:** University Hospital, Clermont-Ferrand
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-18
- **Primary completion:** 2020-03-06
- **Final completion:** 2020-03-06
- **Target enrollment:** 52 (ACTUAL)
- **Last updated:** 2020-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04174209

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04174209, "CHOICE OF SUBJECTIVE OCULAR REFRACTION TECHNIQUE AND CORNEAL TOPOGRAPHY OF KERATOCONUS". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04174209. Licensed CC0.

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