Clinical trials: Myopic Progression
Myopic Progression
Monthly Replacement Orthokeratology for Myopia Control in Young Children
The two-year prospective study aims at investigating frequently replacement effect on myopia control in young children, and the use of weekly protein removal system in monthly replacement modality orthokeratology lenses on…
- Trial name
- MR2 (NCT04293328)
- Testing
- orthokeratology, Menicon Progent A+B
- Where
- Hong Kong
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopic Progression
Monthly Replacement Orthokeratology for Myopia Control in Existing Lens Wearers
The two-year prospective study aims at investigating the benefits of frequent replacement (monthly) orthokeratology lenses in myopia control in terms of effectiveness in control and prevention of ocular complications.
- Trial name
- MR1 (NCT04295707)
- Testing
- orthokeratology, Menicon Progent A+B
- Where
- Hong Kong
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopic Progression
Effects of Different Designs of Orthokeratology Lens on Myopia Control and Visual Quality
This study was aimed to evaluate the effects of different Orthokeratology，including the size of central optical zone and the height of peripheral reverse curve, on myopia control and visual quality.
- Trial name
- NCT05192824
- Testing
- Orthokeratology lens
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopic Progression
Investigation of the Effect of Short-term Orthokeratology With Increased Compression Factor on Ocular Parameters
Orthokeratology (ortho-k) is a clinical technique that uses reverse geometry rigid gas permeable contact lens exerting positive pressure on the central cornea to temporary reduce refractive error.
- Trial name
- NCT02643875
- Testing
- Orthokeratology
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopic Progression
A 2-year Longitudinal Study on the Structural and Optical Effects of Orthokeratology Treatment on Eye
This is a two-year longitudinal study investigating the optical and structural effects of increased compression factor of orthokeratology lens on eyes and the corresponding effect on change in choroidal thickness and therefore…
- Trial name
- NCT02643342
- Testing
- Orthokeratology
- Where
- China
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University