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Observation of curative effect in patients with asymmetric corneal shape: topography-guided custom ablations treatment (T-CAT) versus small incision lenticule extraction (SMILE)

Observation of curative effect in patients with asymmetric corneal shape: topography-guided custom ablations treatment (T-CAT) versus small incision lenticule extraction (SMILE)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000030582
Enrollment
Unknown
Registered
2020-03-08
Start date
2020-03-09
Completion date
Unknown
Last updated
2020-03-09

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

Conditions

myopia

Interventions

A:SMILE
B:T-CAT LASIK

Sponsors

Department of Ophthalmology, Daping Hospital, 3rd Military Medical University (army medical university) of PLA
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: asymmetric corneal shape (vertical coma >0.3 or horizon coma>0.25 at 6mm diameter of anterior corneal surface),age older than 18 years old, documented refractive stability for at least 2 years and discontinuation of contact lens for at least 2 weeks, MRSE of +/-1.00 D to +/-10.00 D, manifest refractive cylinder of 0 to +/-4.00 D

Exclusion criteria

Exclusion criteria: History of topographic evidence of keratoconus or ectasia, central corneal thickness < 500um, corneal scarring or any kinds of dystrophy, severe dry eye, uveitis and glaucoma, previous ocular surgery, injury or infection.

Design outcomes

Primary

MeasureTime frame
refraction;visual acuity;high-order aberration;Contrast sensitivity;—

Countries

China

Contacts

Public ContactLiu Ting

Department of Ophthalmology, Daping Hospital, Army Medical University of PLA

tingliu1597@126.com+86 15823486785

Outcome results

None listed

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