Incision Rotation after SMILE and Astigmatism Correction by Vector Analysis

Incision Rotation after SMILE and Its Effect on Myopic Astigmatism Correction by Vector Analysis

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500098303

Enrollment

Unknown

Registered

2025-03-05

Start date

2024-01-01

Completion date

Unknown

Last updated

2025-03-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

astigmatism

Interventions

Cross-axis alignment group :None

conventional group:None

Eligibility

Sex/Gender

All

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.Age 18-40 years, stable refraction for at least 2 years, best corrected visual acuity 0.8; 2.Cornea without scar, corneal diameter> 11mm, normal morphology; 3.OCT central corneal thickness greater than 480 µ m; 4.Soft contact lens for more than 2 weeks, rigid contact lens for more than 1 month, orthokeratology for more than 3 months.

Exclusion criteria

Exclusion criteria: 1. Patients with strabismus, torticollis and nystagmus who easily affect the accuracy of globe rotation; 2. Preoperative Kappa angle <0.3mm; 3. With active ocular disease, ocular trauma or surgery; 4.Confirmed autoimmune or connective tissue disease; 5. Patients with mental illness; 6. Patients with a previous history of ocular surgery.

Design outcomes

Primary

Measure	Time frame
Incision Rotation;	—

Countries

China

Contacts

Public ContactHou jie

Jinan Mingshui Eye Hospital

houjie09110304@sina.com+86 18754108168

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026