Clinical trials: Myopia
Presbyopia
Clinical Performance of Two Frequent Replacement Silicone Hydrogel Multifocal Contact Lenses
The purpose of this study is to evaluate the on-eye multifocal clinical performance of investigational LID233309 contact lenses and Oasys multifocal (MF) contact lenses in a daily wear dispensing trial.
- Trial name
- NCT06469242
- Testing
- Serafilcon A multifocal contact lenses, Senofilcon A multifocal contact lenses, CLEAR CARE® Cleaning & Disinfecting Solution
- Where
- 8 sites in United States
- Volunteers
- 106 people
- Sponsor
- Alcon Research
Maculopathy, High Myopia
Surgical Outcome of Vitrectomy for Myopic Traction Maculopathy in Highly Myopic Eyes
Surgical outcome of vitrectomy for myopic traction maculopathy in highly myopic eyes was evaluated in each stage. Efficacy of internal limiting membrane was also evaluated whether it may improve visual outcome.
- Conditions
- Maculopathy, High Myopia, Surgery
- Trial name
- NCT01658761
- Testing
- vitrectomy
- Where
- Japan
- Volunteers
- 64 people
- Sponsor
- Kyorin University
Myopia
Pilot Study of Neurovision to Improve Vision and Slow Myopia Progression in Children With Myopia
This is a pilot study to assess the effectiveness of Neurovision treatment in the improvement of vision in children being under-corrected and to assess the effectiveness of Neurovision treatment in slowing down myopia progression…
- Trial name
- NCT00348218
- Testing
- NeuroVision
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre
Myopia, Hyperopia
Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles
This research project will compare two methods of correcting refractive error (long or short-sightedness) with spectacle lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- RECS (NCT00657670)
- Testing
- Ready-made spectacles, Spectacles
- Where
- 2 sites in China, India
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Myopia, Prevention and Control
Effectiveness of Digital Defocus Vision Training With Low-Concentration Atropine on the Prevention and Control of Myopia in Children: A Clinical Study
Based on existing theories of myopia development and progression, our preliminary work has leveraged the features of virtual reality (VR) technology to digitally simulate myopic defocus signals through image-based emulation.
- Trial name
- NCT07724210
- Testing
- For the experimental group,Virtual reality-based digital defocus training combined with 0.02% atropine eye drops, For the control group, one drop of 0.02% atropine eye drops was instilled into each eye at bedtime daily, combined with full-time wear of fully corrected multi-zone positive optical defocus (DIMS) spe
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Myopia Control Using Optimized Optical Defocus RCTs
The aims of the study is to evaluate whether the DISC3.5 Plus contact lens will slow myopia progression and axial length growth in myopic children as compared with single vision soft contact lenses.
- Trial name
- NCT03681366
- Testing
- DISC3.5 plus
- Where
- China
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
Effect of Preoperative Pupil Size on Quality of Vision After Wavefront-Guided LASIK
The purpose of this study is to evaluate whether the size of the pupil has an effect on quality of vision in patients undergoing LASIK surgery.
- Trial name
- NCT00889941
- Testing
- LASIK
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- Stanford University
Myopia
Dual Focus Soft Contact Lens Wear Cessation Study
The purpose of this study is to investigate the effect of ceasing treatment with dual focus soft contact lenses.
- Trial name
- NCT05779072
- Testing
- Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopic Traction Maculopathy
Predictors of Vitrectomy Outcomes in Myopic Foveoschisis
This prospective pilot study evaluates factors that predict outcomes after vitrectomy for myopic foveoschisis (MFS), a sight-threatening complication of high myopia that can lead to progressive visual loss, foveal detachment…
- Trial name
- NCT07774637
- Testing
- pars plana vitrectomy
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre
Myopia, Maculopathy
Optical Coherence Tomography Imaging of the Posterior Segment in High Myopia.
The prevalence of myopia in East Asia and Singapore in particular is amongst the highest in the world, with estimates ranging from 30-70% of the general population. Up to 30% of these are high myopes.
- Conditions
- Myopia, Maculopathy, Glaucoma
- Trial name
- NCT00347451
- Where
- Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Near Vision, Refractive Error Correction
Clinical Outcomes of the Use of a Femtosecond Laser Treatment in a Patient With Implanted Monofocal IOLs
This study aims to assess the safety and efficacy of evaluating near vision or refractive error in eyes implanted with a mono focal intraocular lens (IOL) using a low-energy femtosecond laser.
- Trial name
- NCT07447622
- Testing
- Device
- Where
- Czechia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Myopia
Time Outdoors as an Intervention for Myopia in Children
The purpose of this study is to determine whether improved outdoor time has an effect on the onset and progression of myopia in children.
- Trial name
- NCT02980445
- Testing
- Outdoor activity 1, Outdoor activity 2
- Volunteers
- 7,200 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Myopic Astigmatism
Machine Learning Prediction of 1-Year Refractive Error After SMILE
This retrospective single-center observational study is designed to develop and internally validate a multi-output machine learning model for predicting 1-year postoperative refractive prediction error after small incision…
- Conditions
- Myopia, Myopic Astigmatism, Refractive Error - Myopia Axial
- Trial name
- SMILE (NCT07478419)
- Where
- China
- Volunteers
- 1,100 people
- Sponsor
- Tongji University
Myopia
A Study to Evaluate a Modified Contact Lens
This study is being conducted to evaluate the product performance of SofLens daily disposable contact lenses packaged in an investigational Test solution versus SofLens daily disposable contact lenses packaged in the currently…
- Trial name
- NCT01391364
- Testing
- SofLens in investigational solution, SofLens in currently marketed solution
- Where
- United States
- Volunteers
- 438 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Post-market Follow Up Study on Paragon CRT® 100 (Paflufocon D)
The main objective of this post market clinical study is to evaluate the effectiveness and safety of the Paragon CRT®100 Contact Lens.
- Trial name
- NCT04187599
- Testing
- Paragon CRT®100 Contact Lens
- Where
- 4 sites in China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Multi-Centre Clinical Evaluation Of Two Daily Disposable Contact Lenses
The purpose of this study is to compare the subjective performance for handling of two daily disposable contact lenses, stenfilcon A and etafilcon A.
- Trial name
- NCT01707238
- Testing
- etafilcon A, stenfilcon A
- Where
- 7 sites in United Kingdom
- Volunteers
- 100 people
- Sponsor
- CooperVision, Inc.
Myopia
Myopic Control for High Myopes Using Orthokeratology
The purpose of this study is to evaluate and compare the eyeball elongation in high myopic children using partial correction orthokeratology and single-vision spectacles.
- Trial name
- HM-PRO (NCT00977236)
- Testing
- Orthokeratology lenses, Single-vision spectacle lenses
- Where
- China
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Myopia; Refractive Error
Peripheral Relative Refractive Power of Orthokeratology Lenses
Orthokeratology (OK) has been demonstrated to be an effective intervention for slowing axial elongation in children with myopia.
- Trial name
- NCT07294404
- Testing
- orthokeratology
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia
A Study to Evaluate the Performance of Two Designs of Soft Toric Lenses
The objective of the study is to evaluate the product performance of the Bausch + Lomb toric investigational contact lenses compared to the currently marketed PureVision toric contact lenses.
- Trial name
- NCT01309867
- Testing
- Investigational Toric Lens, PureVision Toric Lens
- Where
- United States
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Hyperopia, Myopia
Clinical Study of Visibility Tinted Clariti Contact Lens
The purpose of this study was to investigate the safety and efficacy of the Sauflon Clariti Monthly silicone hydrogel contact lenses with handling tint (Sauflon Pharmaceuticals Limited) by comparison with Air Optix Aqua silicone…
- Trial name
- NCT01996787
- Testing
- Air Optix Aqua, Clariti with Handling Tint
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Sauflon Pharmaceuticals Ltd