A randomized controlled study based on three new corneal refractive surgery methods to improve the visual quality after myopia correction

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100047478

Enrollment

Unknown

Registered

2021-06-20

Start date

2021-07-01

Completion date

Unknown

Last updated

2022-02-21

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

Conditions

myopia

Interventions

Experimental group1:WF FS-LASIK

Experimental group2:TG FS-LASIK

Experimental group3:SMILE

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1.Corrected distance visual acuity of 20/20 (Snellen) or more; 2.Dissatisfaction with correction using spectacles or contact lenses for nonoptical reasons.

Exclusion criteria

Exclusion criteria: 1.With a history of ocular surgery; 2.Severe dry eye; 3.Progressive corneal degeneration; 4.Pataract, or uveitis.

Design outcomes

Primary

Measure	Time frame
higher order aberrations;contrast sensitivity;Scattering Index;	—

Countries

China

Contacts

Public ContactZhai Changbin

Beijing Tongren Hospital, Capital Medical University

zhaicb@sina.com+86 13601089269

Outcome results

None listed

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