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Analysis on Preventive and Controlling Effects of Conventional Design and Special Design of CRT Orthokeratology Lenses

Analysis on Preventive and Controlling Effects of Conventional Design and Special Design of CRT Orthokeratology Lenses

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000029944
Enrollment
Unknown
Registered
2020-02-17
Start date
2020-03-10
Completion date
Unknown
Last updated
2020-03-30

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

Conditions

Myopia

Interventions

Special design CRT group:Wear specially designed CRT orthokeratology lens
Conventional design CRT group:Wear conventional design CRT orthokeratology lens

Sponsors

Shandong Eye Institute
Lead Sponsor

Eligibility

Sex/Gender
All
Age
8 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1. Adolescent myopia patients wearing conventional design and special design CRT orthokeratology lens; 2. Diopter power -1.00D to -6.00D, astigmatism <1.00D, best corrected vision 1.0 and above.

Exclusion criteria

Exclusion criteria: 1. Patients with previous corneal irregularities, malnutrition, dilation, or any other anterior complications, as well as patients who have permanently or temporarily stopped wearing for any reason during the follow-up; 2. History of eye surgery, trauma, other corneal diseases, family history of glaucoma, etc.; 3. Contraindications for orthokeratology.

Design outcomes

Primary

MeasureTime frame
Choroidal hemodynamics;wavefront aberration;Peripheral defocus;Axial length;Corneal diopter;Visual quality;Adjustment;Visual acuity;Corneal topographic index;Choroid thickness;—

Countries

China

Contacts

Public ContactXianli Du

Shandong Eye Institute

lilibestever@126.com+86 15192552255

Outcome results

None listed

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