Biometric Factors Changes Caused by Myopia Orthokeratology (OK) Lens

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-09-01

Study Completion Date

2023-11-01

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

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.

Related Clinical Trials

Explore similar clinical trials based on study characteristics and research focus.

Assessment of Corneal Biomechanics With the Corvis ST in Different Age of Myopia With Orthokeratology

NCT05635526

Myopia Orthokeratology

COMPLETED

Investigating the Safety and Effect of Overnight Orthokeratology and Its Influencing Factors

NCT04910451

Myopia

UNKNOWN

The Relationship of Relative Corneal Refractive Power Shift and Axial Length in Adolescents With Orthokeratology Lens

NCT05348369

Myopia Orthokeratology

COMPLETED

Effects of Different Designs of Orthokeratology Lens on Myopia Control and Visual Quality

NCT05192824

Myopic Progression

RECRUITING NA

The Effect of Wearing Orthokeratology on Objective Visual Quality

NCT04929119

Visual Quality

UNKNOWN

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Contact Lenses

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

CRT type lens

Subjects fitted with CRT type lenses

Group Type EXPERIMENTAL

Overnight orthokeratology

Intervention Type DEVICE

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

VST type lens

Subjects fitted with VST type lenses

Group Type EXPERIMENTAL

Overnight orthokeratology

Intervention Type DEVICE

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

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Overnight orthokeratology

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

Intervention Type DEVICE

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Normal subjects without any history of ocular surgeries or diseases (except for refractive errors) or systemic diseases that might affect contact lens wearing. The spherical error between -1.0 and -5.0 D, cylindrical error of at most 2.0 D, and a corrected distance visual acuity of 20/20 or better.