Clinical trials: Eye--Refractive Errors
Presbyopia
An Evaluation of the Efficacy and Safety of CSF-1 in the Temporary Correction of Presbyopia (NEAR-2)
This is a 4-visit, multi-center, randomized, double-masked, vehicle-controlled study evaluating the safety and efficacy of CSF-1 in the temporary correction of presbyopia.
- Trial name
- NEAR-2 (NCT04599972)
- Testing
- CSF-1, Vehicle
- Where
- 18 sites in United States
- Volunteers
- 304 people
- Sponsor
- Orasis Pharmaceuticals Ltd.
Cataract, Presbyopia
Changes of Angle Kappa After Implantation of Multifocal Intraocular Lenses
The purpose of this study is to evaluate possible changes of angle kappa after multifocal intraocular lens implantation. Presumable influencing factors of postoperative visual axis shift (ie.
- Trial name
- NCT03297086
- Testing
- cataract surgery
- Volunteers
- 30 people
- Sponsor
- Semmelweis University
Pediatric Cataract, IOL Implantation
Myopia Progression Control Using Atropine 0.05% After Pediatric Cataract Surgery And Intraocular Lens Implantation Surgery
Myopic shift remains a debilitating and unpredictable adverse event following pediatric cataract surgery. While research exploring peripheral myopic defocus for post-cataract surgery myopia prevention shows promising results, the…
- Conditions
- Pediatric Cataract, IOL Implantation, Myopia Progression
- Trial name
- NCT07364370
- Testing
- Atropine Eye drops
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Cairo University
Myopia
Clinical Evaluation of a Myopia Control Lens in Slowing Myopia Progression.
This is a mono-centre, prospective, one-arm, unmask clinical trial to evaluate the effectiveness of test lens in slowing myopia progression with respect to axial length elongation compared to a single vision spectacle lens from…
- Trial name
- NCT05534022
- Testing
- Test myopia control lenses (BSL)
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Essilor International
Hyperopia and Myopia
Eye Imaging for the Study of Childhood Myopia
Myopia (nearsightedness) is increasing worldwide and is becoming a serious public health problem. Studies estimate that by 2050, if no action is taken, almost half of the world's population will be myopic.
- Trial name
- SELENA (NCT07335146)
- Testing
- Ophtalmic measurements to estimate geometrical distances, MRI, Ophtalmic measurements to measure wavefront aberrations
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia
Sustained Effect of Red-light Therapy for Myopia Control: A 2-Year Post-Trial Follow-up Study
To evaluate the long-term efficacy and safety of red-light therapy for myopia control over 2 years, and the potential rebound effect after treatment cessation.
- Trial name
- NCT06232161
- Testing
- Red-light therapy device, Spectacles
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Presbyopia
Assessment of Near Vision Capacity in Different Light Conditions Following Bilateral Trifocal Intraocular Implantation
Patients who underwent presbyopic correction with bilateral trifocal intraocular lenses implantation are supposed to have sufficient uncorrected vision capacity for activities of daily living (ADLs) that require near vision…
- Trial name
- NCT03226561
- Testing
- Phaco / Panoptix
- Where
- Greece
- Volunteers
- 50 people
- Sponsor
- Democritus University of Thrace
Myopia, Myopia, Progressive
Effect of Virtual Reality-Based Visual Training for Myopia Control in Children
To assess the efficacy and safety of virtual reality-based visual training (VRVT) in myopia control among children.
- Trial name
- NCT06250920
- Testing
- Virtual reality visual training
- Where
- China
- Volunteers
- 65 people
- Sponsor
- Shanghai 10th People's Hospital
Pseudophakia, Accomodation
Monofocal Extended Range of Vision (MERoV) Study
The investigators are proposing this research project to: 1. Screen a set of patients after normal cataract surgery with a single focus lens aimed at good distance vision at 3 months after surgery to identify patients who are…
- Conditions
- Pseudophakia, Accomodation, Aberration, Corneal Wavefront
- Trial name
- MERoV (NCT04011696)
- Where
- United Kingdom
- Volunteers
- 412 people
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Myopia
Trial of Myopia Prevention Using +3D Lenses
The purpose of this study is to assess whether a short-term imposed myopic defocus is effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
- Trial name
- PLS (NCT00627874)
- Testing
- +3D Lenses
- Volunteers
- 1,200 people
- Sponsor
- Sun Yat-sen University
Myopia, Accommodation Spasm
Effect of VR and Accommdation Relax on Controlling Myopia in Children
This study evaluates the effect of virtual reality and accommodation relax technique on controlling onset and development of myopia in school-aged children.
- Conditions
- Myopia, Accommodation Spasm, Children
- Trial name
- NCT03427697
- Testing
- Virtual reality and accommodation relax techniques in combination
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Beijing Tongren Hospital
Presbyopia
LaserACE® Procedure Restore Visual Function and Range of Accommodation LaserACE® Procedure
A new minimally invasive procedure for treating presbyopia is being evaluated to determine if there is improvement in near and intermediate vision after treatment.
- Trial name
- NCT01491360
- Testing
- LaserACE(R)
- Where
- Taiwan
- Volunteers
- 8 people
- Sponsor
- ACE Vision Group, Inc.
Myopia
Clinical Evaluation of Two Daily Disposable Silicone Hydrogel Contact Lenses
The purpose of this crossover study was to evaluate the end-of-day comfort of two commercially available, daily disposable, silicone hydrogel contact lenses.
- Trial name
- NCT01561560
- Testing
- Delefilcon A contact lenses, Narafilcon A contact lenses
- Where
- United States
- Volunteers
- 123 people
- Sponsor
- Alcon Research
Myopia
WaveLight® EX500 Excimer Laser System for the Correction of Myopia Using InnovEyes™ in Conjunction With InnovEyes™ Sightmap
The purpose of this study is to evaluate the safety and effectiveness of the WaveLight EX500 excimer laser system for the correction of myopia with and without astigmatism using InnovEyes in conjunction with InnovEyes sightmap.
- Trial name
- NCT04219891
- Testing
- WaveLight EX500 excimer laser system with InnovEyes sightmap, LASIK, InnovEyes sightmap
- Where
- 9 sites in United States
- Volunteers
- 272 people
- Sponsor
- Alcon Research
Myopia
Safety and Efficacy of T10430 Eye Drops in Controlling Paediatric Myopia Progression
Axial myopia is a type of nearsightedness that happens when the eye is too long from front to back. This causes distant vision to be blurry.
- Trial name
- NCT07522242
- Testing
- T10430 lower dose, T10430 middle dose, T10430 higher dose
- Where
- 10 sites in Jordan, South Africa and 1 more
- Volunteers
- 200 people
- Sponsor
- Laboratoires Thea
Refractive Disorders
Visual and Optics Impact of Refractive Surgery
Refractive surgery includes interventions to correct refractive errors, using a medical device such as a laser or an implant (intraocular lenses) or surgical instruments.
- Trial name
- CRIVO (NCT02889588)
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Astigmatism
Contoura vs Wavefront Optimized Ablation
To evaluate the efficacy, safety and accuracy of Contoura topography-guided LASIK \& PRK in comparison to Wavefront optimized LASIK \& PRK in virgin eyes with astigmatism.
- Trial name
- NCT05829980
- Testing
- Laser assisted in-situ keratomileusis, Photorefractive keratectomy
- Volunteers
- 128 people
- Sponsor
- Hebatallah MT Abdelmoniem
Refractive Errors
Clinical Performance of Two Daily Disposable Contact Lenses - Study 1
The purpose of this study is to evaluate end of day (EOD) visual acuity (VA) at distance when wearing Precision1™ contact lenses compared to Acuvue® Moist contact lenses.
- Trial name
- NCT03969290
- Testing
- Verofilcon A contact lenses, Etafilcon A contact lenses
- Where
- Germany
- Volunteers
- 69 people
- Sponsor
- Alcon Research
Myopia
Two Week Cross-Over Study Comparing Two Daily Disposable Contact Lenses
This study seeks to evaluate and compare the clinical performance of two daily disposable soft contact lenses, Proclear 1 Day and 1-Day Acuvue Moist.
- Trial name
- NCT01155323
- Testing
- etafilcon A, omafilcon A
- Where
- Singapore
- Volunteers
- 118 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism
Evaluation Study on Corneal Lens for Vision Correction
The objective of this study is to evaluate the fitting and visual outcomes of Nexis Lens, made of silicone commonly used in the contact lens industry, on healthy eye with or without astigmatism.
- Trial name
- NCT02053688
- Testing
- Astigmatic Correction Lens (Nexis ACCL lenses), Toric Soft Contact Lenses
- Where
- 6 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- FORSIGHT Vision3
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