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Biometric Factors Changes Caused by Myopia Orthokeratology (OK) Lens

NCT05433259 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2022-06-30

No results posted yet for this study

Summary

Subjects fit with VST or CRT type lens are reviewed 1 day to 2 year after first wearing the lens. Ocular examinations were performed, including slit-lamp biomicroscope, uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), corneal topography (Medmont E300W, Medmont Pty Ltd, Melbourne, Australia), corneal refractive power (autorefractometer, KR880, Topcon, JAPAN), corneal epithelial thickness (Optical Coherence Tomography, RTVue-XR), axial length using IOL-Master 700 (Carl Zeiss Meditec AG). To investigate corneal and retina changes caused by overnight OK lens.

Conditions

  • Contact Lenses

Interventions

DEVICE

Overnight orthokeratology

Subjects require to wear the lenses every night, with a recommended time of 6-8 hours.

Sponsors & Collaborators

  • Wenzhou Medical University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
8 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2021-09-01
Primary Completion
2022-03-12
Completion
2023-11-01

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05433259 on ClinicalTrials.gov