Clinical trials: Refractive Error - Myopia
Presbyopia
Phase III Presbyopia Correction Using the VIS Opti-K™ System
The goal of this clinical trial is to evaluate the safety and efficacy of using the VIS Opti-K System to enable monovision by providing temporary improvement in near vision through the treatment of the non-dominant eye of low…
- Trial name
- Opti-K™ (NCT06487897)
- Testing
- Optimal laser keratoplasty
- Where
- 4 sites in United States
- Volunteers
- 75 people
- Sponsor
- VIS, Inc.
Hyperopia, Myopia
On-Eye Optical Quality of Lotrafilcon B Lenses Over 12 Hours
The current study aims to systematically investigate the diurnal variation in the optical quality of soft contact lenses on eye throughout the day. Subject reported quality of vision will also be evaluated.
- Trial name
- NCT03881670
- Testing
- Lotrafilcon B, lotrafilcon B with Hydraluxe
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Indiana University
Glaucoma, Myopia
Morphological Changes of Ciliary Body and Trabecular Meshwork
Glaucoma is the leading cause of irreversible blindness worldwide. Although the pathogenesis remains unclear, pathologic increase in intraocular pressure (IOP) due to blocked aqueous outflow through the trabecular-Schlemm canal…
- Trial name
- NCT05352854
- Testing
- 0.5% pilocarpine eye drops
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Yune Zhao
Myopia, Obesity
Trial of a Novel Family-Based Intervention to Increase Outdoor Time and Fitness
This study aims to implement a new family-based health behavior community program to increase time spent outdoors and physical activity among Singapore children aged 6 to 12 years in a 1-year randomized clinical trial.
- Trial name
- FIT (NCT01388205)
- Testing
- Family-based Outdoor program
- Where
- Singapore
- Volunteers
- 285 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Myopia
Efficacy and Safety of MiSight ® Contact Lenses in Reducing the Progression of Childhood Myopia.
The purpose of the study is to quantify the effectiveness of CooperVision MiSight® (omafilcon A) soft (hydrophilic) contact lens in slowing the rate of progression of juvenile-onset myopia.
- Trial name
- NCT01917110
- Testing
- omafilcon A, Spectacle
- Where
- Spain
- Volunteers
- 79 people
- Sponsor
- CooperVision, Inc.
Myopia
Aberration-Free Refraction Correction
In the interest of improving visual quality after LASIK we have designed a multifaceted study to test the theoretical, physical, biomechanical and functional effects of commercial and independently designed aspherical ablation…
- Trial name
- NCT00172913
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Myopia, Astigmatism
A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platforms to Correct Myopia or Myopia With Astigmatism
This purpose of this study is to compare a new form of LASIK called Ray Tracing Guided LASIK to 3 other forms of corneal refractive surgery: 1. KLEx (KeratoLenticule Extraction) using the Zeiss Visumax 800 Laser, 2.
- Trial name
- NCT07201298
- Testing
- Ray-Tracing Guided LASIK, Keratorefractive Lenticule Extraction (KLEx), WaveFront Optimized LASIK
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hoopes Vision
Myopia
Tolerability of a Novel Spectacle Design With Reduced Peripheral Contrast
Prospective, randomized, subject-masked 3-arm clinical study to assess the pediatric acceptability across three iterations of a novel spectacle lens design.
- Trial name
- WALNUT (NCT03761758)
- Testing
- Spectacle lenses
- Where
- Canada
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Myopia Progression
Spectacle Lens Visual Acuity Assessments Study
This is a two-arm parallel group, non-dispensing study. Participants will be existing active CYPRESS Extension (CPRO-1802-002) subjects. Subjects will undergo additional visual performance assessments.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- CEDAR (NCT05650190)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 6 sites in United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Astigmatism
Use of a Disk of Amniotic Membrane (Visio-AMTRIX) in Postoperative Care After PKR
The purpose of this open controlled multicenter trial is to assess the impact of use of an amniotic membrane on post PKR recovery.
- Conditions
- Myopia, Astigmatism, Hypermetropia
- Trial name
- NCT05247658
- Testing
- Therapeutic lens alone, Therapeutic lens + amniotic membrane (Visio-AMTRIX)
- Where
- 3 sites in France
- Volunteers
- 9 people
- Sponsor
- TBF Genie Tissulaire
Myopia
The Impact of Bright Classroom on Myopia
This trial aims to test the effectiveness and practicality of study in the Bright Classrooms with skylight and artificial light renovation in reducing incident myopia in Chinese primary school children over three years, as…
- Trial name
- IMPACT (NCT05156190)
- Testing
- bright classrooms with light level over 1000 lux
- Volunteers
- healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Myopia
Clinical Trial of Orthokeratology Lens (MCOK-01)
A prospective, multicenter, randomized, controlled clinical trial of orthokeratology lens
- Trial name
- NCT06037850
- Testing
- Test orthokeratology lens, Control orthokeratology lens
- Where
- 3 sites in Singapore
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Menicon Co., Ltd.
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
Myopia and Hyperopia and Presbyopia
Evaluation of Product Performance of a New Silicone Hydrogel Multifocal Contact Lens
The objective of this study is to evaluate the product performance of a new silicone hydrogel daily disposable multifocal contact lens, the Bausch + Lomb (kalifilcon A) Daily Disposable Multifocal Contact Lens, when worn by…
- Trial name
- NCT05660577
- Testing
- new silicone hydrogel daily disposable multifocal contact lens, the Bausch + Lomb (kalifilcon A) Daily Disposable Multifocal Contact Lens
- Where
- 20 sites in United States
- Volunteers
- 301 people
- Sponsor
- Bausch & Lomb Incorporated
Juvenile Myopia
Myopia Assessment of Two Manufacturing Processes
Randomized, controlled, multisite, subject- and observer-masked, contralateral clinical trial of 6-month duration to compare two SightGlass Vision Diffusion Optics Technology (DOT) spectacle lens manufacturing processes in…
- Trial name
- MAPLE (NCT04126057)
- Testing
- SightGlass Vision DOT Spectacle Lenses
- Where
- 5 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness)
Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya
With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading…
- Conditions
- Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness), Repayment Behaviour, Livelihoods
- Trial name
- NCT06774183
- Testing
- Near vision glasses for presbyopia correction
- Volunteers
- 1,085 people
- Sponsor
- Dot Glasses Kenya
Myopia
Performance Evaluation of a New Daily Disposable Silicone Hydrogel Lens
The purpose of this study was to compare a new daily disposable, silicone hydrogel contact lens to marketed daily disposable, silicone hydrogel contact lenses.
- Trial name
- TUNGSTEN (NCT01371552)
- Testing
- delefilcon A contact lens, filcon II 3 contact lenses, narafilcon A contact lenses
- Where
- Canada
- Volunteers
- 119 people
- Sponsor
- CIBA VISION
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.
Presbyopia
Safety & Efficacy of Pilocarpine Ophthalmic Spray for Temporary Improvement of Near Vision in Presbyopic Adults
Volunteer participants are evaluated for eligibility during a Screening Visit; those meeting study inclusion/exclusion criteria are scheduled for 2 treatment visits.
- Trial name
- VISION-2 (NCT05114486)
- Testing
- Pilocarpine Ophthalmic administered with the Optejet dispenser
- Where
- 9 sites in United States
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Eyenovia Inc.
Myopia, Large Language Model
Development and Validation of a Large Language Model-based Myopia Assistant System
Myopia is a rapidly growing global health concern, and there is an urgent need for advanced tools that can facilitate personalized healthcare strategies.
- Trial name
- NCT06607822
- Testing
- A patient-centered assistant system based on Large-Language Model (LLM)
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.