Clinical trials: Short-Sighted
Myopia
The Contact Lens and Myopia Progression (CLAMP) Study
To examine the effects of rigid gas permeable contact lenses on the progression of myopia (nearsightedness) in children To determine what changes in the eyes cause certain eyes to progress in nearsightedness more slowly
- Trial name
- NCT00009529
- Where
- United States
- Sponsor
- National Eye Institute (NEI)
Myopia, Refractive Errors
School-based Myopia Control Trial for Children With Premyopia or Myopia
This is a prospective, school-based randomized controlled trial designed to evaluate auricular acupressure combined with defocus spectacle lenses for myopia control in primary school students with premyopia or myopia.
- Trial name
- SPARK (NCT07746778)
- Testing
- Defocus Spectacle Lenses, Auricular Acupressure
- Where
- China
- Volunteers
- 358 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Increased Prevalence of Myopia in a Ophthalmologic Hospital in Goiânia - Goiás
The purpose of this study was to evaluate the increased prevalence of myopia among patients in different periods in an ophthalmologic hospital in Goiania.
- Trial name
- NCT02647411
- Volunteers
- 16,971 people
- Sponsor
- Instituto de Olhos de Goiania
Full Spectrum
A Self-controlled Study of the Effect of Partial Spectral Absence of Visible Light on the Pupil
Previous studies have shown that the spectrum of light influences myopia. LED lights with a partially absent light spectrum increase the risk of myopia progression compared to LEDs with a full spectrum, potentially mediated by…
- Trial name
- NCT06501131
- Testing
- full-spectrum light exposure, specific spectrum absence light exposure
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Progressive, Atropine Allergy
Eye Drops Study for Myopia Control in Schoolchildren
The myopia prevalence in schoolchildren is high in Taiwan. The myopia progression is fast in children and often associated high myopia in later life.
- Trial name
- NCT03402100
- Testing
- eye drops
- Where
- Taiwan
- Volunteers
- 150 people
- Sponsor
- Chang Gung Memorial Hospital
Myopia
Assessment of the Efficacy and Safety of a DYnaMic Peripheral DegradatiON Myopia Disorder Control in Myopic Children ״DYMOND Study״
The DYMOND study evaluates the safety and effectiveness of TrackSight™, a digital medical application designed to slow myopia (nearsightedness) progression in children during everyday screen use.
- Trial name
- DYMOND (NCT07390500)
- Testing
- TrackSight
- Where
- Israel
- Volunteers
- 150 people
- Sponsor
- NovaSight
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.
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
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
Contact Lenses and Myopia
The objective of this study is to determine if multifocal contact lenses affect accommodation and/or binocular vision when worn by pediatric patients.
- Trial name
- CLAM (NCT02180347)
- Testing
- Contact lenses
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Myopia
AI-Stratified Myopia Control for Children in Remote Areas
This cluster-randomized controlled trial aims to evaluate the effectiveness and cost-effectiveness of an artificial intelligence-based, risk-stratified, tiered intervention model for childhood myopia prevention and control in…
- Trial name
- NCT07825428
- Testing
- Routine Screening and Referral, AI-Guided Tiered Management
- Where
- 3 sites in China
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center