# Corneal Topography Asymmetry Indices Changes After Corneal Refractive Surgery

> **NCT04589091** · — · COMPLETED · sponsor: **Tanta University** · enrollment: 30 (actual)

## Conditions studied

- Myopia

## Interventions

- **OTHER:** Refractive surgery

## Key facts

- **NCT ID:** NCT04589091
- **Lead sponsor:** Tanta University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-13
- **Primary completion:** 2021-10-30
- **Final completion:** 2022-01-30
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2022-02-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04589091

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04589091, "Corneal Topography Asymmetry Indices Changes After Corneal Refractive Surgery". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04589091. Licensed CC0.

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