Clinical trials: Refractive Errors, active
Cognition Disorders
Impact of Glasses for Vision Problems on Cognitive Function in Rural Older Adults
The aim of this project is to explore whether vision correction can effectively slow cognitive decline in older adults. The primary question it seeks to answer is: Can providing free near and/or distance vision correction glasses…
- Trial name
- CLEVER (NCT06836440)
- Testing
- Free Prescription Glasses
- Where
- China
- Volunteers
- 964 people, healthy volunteers welcome
- Sponsor
- Yuju Wu
Myopia, Myopia Progression
Comparing Myopia Control Spectacle Lenses and Standard Single Vision Spectacle Lenses in Children With Myopia
The purpose of this clinical trial is to compare a new myopia control spectacle lens with a standard single vision spectacle lens in slowing the progression of myopia (nearsightedness) in healthy children aged 6 to under 11…
- Trial name
- PEARL (NCT07839091)
- Testing
- Investigational Myopia Control Spectacle Lens, Single Vision Spectacle Lens
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Essilor International
Metamorphopsia, Aniseikonia
Virtual Reality Aniseikonia and Metamorphopsia Testing
The purpose of this study is to assess whether the use of small, lightweight, portable virtual reality headset devices can provide a more accessible, reliable, contained, and convenient testing environment compared to previous…
- Trial name
- NCT07838181
- Testing
- Aegenta VR
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- NYU Langone Health
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
Comparison of Hand Eye Coordination and Sports Vision Performance in Dual-Focus Multifocal Contact Lenses and Habitual Contact Lenses
The purpose of the study is to compare the hand-eye coordination and sports vision performance in participants while they are wearing their habitual contact lenses versus while wearing the dual-focus multifocal contact lenses.
- Trial name
- NCT07840209
- Testing
- Multifocal Contact Lens
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Ohio State University
Refractive Assessment, Refractive Disorders
Algorithm-assisted Subjective Refraction Program Dedicated to Children
Current refraction assessment in children is dependent on the Eye Care Specialist and lacks standardization. Essilor has developed new algorithm assisted subjective refraction software dedicated to children of 6-12 years old and…
- Conditions
- Refractive Assessment, Refractive Disorders, Hyperopia and Myopia, Astigmatism
- Trial name
- NCT07046065
- Testing
- Non-cycloplegic Objective refraction, Non-cycloplegic conventional subjective refraction, Non-cycloplegic subjective refraction (Kids refraction software vA with Vision-R™)
- Where
- Portugal
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Myopia Progression
Evaluation of Performance of MiYOSMART Photochromic and Clear Spectacle Lenses in Myopic Children
This clinical study aims to evaluate the non-inferiority of the photochromic DIMS spectacles lenses performance (PDIMS) compared to clear DIMS spectacles lenses (DIMS) in myopia management.
- Trial name
- PDIMS (NCT06717035)
- Testing
- EYE001
- Where
- Singapore
- Volunteers
- 202 people
- Sponsor
- Singapore National Eye Centre
Myopia, Myopia Progression
Myopia Control Spectacle Lens Cessation Study
To quantify myopic progression (cycloplegic spherical equivalent refraction - cSER) following the cessation of use of specific spectacle lenses.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- BIRCH (NCT05893979)
- Testing
- Spectacle Lenses
- Where
- 8 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
A Study of the Efficacy and Safety of Two Low-concentration Atropine Sulfate Eye Drops
A randomized, double-blind, placebo-controlled, multicenter, phase III clinical study of the efficacy and safety of two low-concentration atropine sulfate eye drops in slowing the progression of myopia in children
- Trial name
- China-CHAMP (NCT06209320)
- Testing
- Lower dose atropine sulfate eye drops, Low dose atropine sulfate eye drops
- Where
- China
- Volunteers
- 777 people
- Sponsor
- Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Ltd.
Myopia, Myopic Astigmatism
A Clinical Trial Assessing the Safety and Effectiveness of Orthokeratology Lenses in Patients With Myopia and Myopic Astigmatism
This is a prospective, multi-centre, single-arm clinical trial to evaluate the effectiveness and safety of MCOK-01 lenses in patients with myopia and myopic astigmatism who need dioptric correction.
- Trial name
- SEMOA (NCT07047924)
- Testing
- MCOK-01
- Where
- 4 sites in Australia
- Volunteers
- 220 people
- Sponsor
- Menicon Co., Ltd.
Myopia
Myopia Prevention With Reading Glasses
The last decades have seen a significant increase in myopia in children and young adults. Possible cause: increased near-work (school, computer, smartphone).
- Trial name
- SMART2 (NCT05030103)
- Testing
- Reading glasses, +2.0 diopters
- Where
- Liechtenstein
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Reis Augenklinik AG
Myopia
A Comparative Analysis of Myopia Prevalence Among Madarsa Students vs. Non-Madarsa Students in Sukkur
Myopia (nearsightedness) has become a major global health concern, particularly among students, due to factors such as prolonged screen time, close-up work, and limited outdoor activities.
- Trial name
- NCT06913972
- Where
- Pakistan
- Volunteers
- 364 people
- Sponsor
- Superior University
Presbyopia
Luminous Efficiency Function V(λ)' of Patients That Underwent Pseudophakic Presbyopic Corrections With EDOF IOLs
Primary objective of this study is to introduce a modified luminous efficiency function that addresses the distinct total eye light transmittance of patients who underwent pseudophakic presbyopic correction with extended-depth of…
- Trial name
- V(λ)'_EDOF (NCT07077967)
- Testing
- Phacoemulsification with EDOF IOLs
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Cataract, Presbyopia
Clinical Study to Evaluate the LensGen® Juvene® Intraocular Lens
To assess the safety and effectiveness of the Juvene® IOL for the treatment of aphakia and mitigation of the effects of presbyopia after removal of the natural crystalline lens due to cataract.
- Trial name
- Nirvana (NCT05364983)
- Testing
- Juvene IOL, Tecnis® Monofocal (ZCB00, PCB00 or DCB00)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- LensGen, Inc.
Myopia, Randomized Controlled Trial (RCT)
The Rebound Effect on Repeated Low-Level Red Light Therapy for Myopia
Myopia is a global public health issue, projected to affect 49.8% of the world population by 2050, increasing risks of cataracts, glaucoma, macular degeneration, and retinal detachment.
- Trial name
- NCT07748546
- Testing
- Repeated low-level red light (RLRL) therapy
- Volunteers
- 159 people
- Sponsor
- The First Affiliated Hospital of Anhui Medical University
Presbyopia
The Effects of Glasses-Free 3D Training on Visual and Cognitive Function in Presbyopic Individuals
This study aims to evaluate the effectiveness of glasses-free 3D visual training in improving visual function, visual comfort, and the application ability of visual functions in individuals with presbyopia.
- Trial name
- NCT06853691
- Testing
- glasses-free 3D visual training
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Development of a New Device and Method to Assess the Degree of Myopia and/or Astigmatism in Myopic People
The purpose of this clinical investigation is to check whether the new device can correctly measure a person's degree of myopia and astigmatism.
- Trial name
- MDSW_DiVA2Rx (NCT07297810)
- Testing
- Optical correction values obtained with investigational device and visual acuity, Optical correction values obtained with an autorefractometer and visual acuity, Optical correction values obtained with a phoropter and visual acuity
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Light; Therapy, Complications
Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)
The goal of this clinical trial is to evaluate whether the optimization of daily exposure to light in primary school children can lead to better myopia prevention and control.
- Conditions
- Myopia, Light; Therapy, Complications, Myopia Progression, Short-Sighted
- Trial name
- LightSPAN (NCT06631339)
- Testing
- Light Intervention, Digital Intervention, Control Group
- Where
- 5 sites in Singapore
- Volunteers
- 396 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Myopia, Child Myopia Progression
Effect of MiYOSMART iQ Spectacle Lenses on Myopia Progression in Children
This prospective, single-center study aims to evaluate the efficacy and safety of MiYOSMART iQ spectacle lenses with DIMS (Defocus Incorporated Multiple Segments) and Triple Enhanced Design (TED) technology in slowing myopia…
- Trial name
- NCT07387159
- Testing
- MiYOSMART iQ spectacle lenses
- Where
- Russia
- Volunteers
- 70 people
- Sponsor
- Hoya Lens Rus LLC
Myopia, Astigmatism
SMILE Surgery in One Eye Compared to Ray Tracing-guided LASIK Surgery in the Fellow Eye
Participants will undergo LASIK surgery in one eye using ray tracing guided technology in one eye and LASIK surgery in the other eye using wavefront guided technology.
- Trial name
- NCT07721714
- Testing
- Ray tracing guided LASIK surgery
- Where
- United States
- Volunteers
- 62 people
- Sponsor
- Stanford University