# Comparison of Two Rotational Alignment Methods for Astigmatism Correction in SMILE Surgery

> **NCT07696468** · NA · NOT_YET_RECRUITING · sponsor: **Zhongshan Ophthalmic Center, Sun Yat-sen University** · enrollment: 52 (estimated)

## Conditions studied

- Myopia
- Refractive Ametropia

## Interventions

- **PROCEDURE:** Device-assisted cyclotorsion control during SMILE
- **PROCEDURE:** Manual limbal marking-guided cyclotorsion adjustment during SMILE

## Key facts

- **NCT ID:** NCT07696468
- **Lead sponsor:** Zhongshan Ophthalmic Center, Sun Yat-sen University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-07-13
- **Primary completion:** 2027-06-30
- **Final completion:** 2027-06-30
- **Target enrollment:** 52 (ESTIMATED)
- **Last updated:** 2026-07-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07696468

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07696468, "Comparison of Two Rotational Alignment Methods for Astigmatism Correction in SMILE Surgery". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07696468. Licensed CC0.

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