Clinical trials: Refractive Error - Myopia
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
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
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.
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
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
Myopia
Effects of Projected Peripheral Defocus on Ocular Biometrics
Acucela Inc. intends to develop a medical device to significantly halt or reverse myopic progression, which is a significant public health concern across the world, especially in Asian demographics.
- Trial name
- NCT04388020
- Testing
- Tabletop prototype of eSpecs: Active projection of defocused image in the peripheral visual field, Tabletop prototype of eSpecs: No Active projection of defocused image in the peripheral visual field
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Emmetropia, Myopia
Effects of Light on the Choroid and Pupil
Monochromatic light creates longitudinal chromatic aberration, with short wavelength blue light forming a focal point in front of the retina and long wavelength red light forming a focal point behind the retina.
- Trial name
- NCT05852782
- Testing
- White Light therapy, Blue light therapy, Red light therapy
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Houston
Presbyopia, Refractive Error
Phase 3 Evaluation of the Safety and Efficacy of LNZ100 & LNZ101 for the Treatment of Presbyopia
Phase 3 study to evaluate the safety and effectiveness of LNZ100 \& LNZ101 for the treatment of Presbyopia.
- Conditions
- Presbyopia, Refractive Error, Eye Diseases, Near Vision
- Trial name
- CLARITY 1 (NCT05656027)
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Brimonidine
- Where
- 25 sites in United States
- Volunteers
- 469 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
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
Visual Fatigue, Myopia
Exploring the Impact of Dynamic Defocus Display Schemes on Ocular Health Indicators
The present study is designed to explore the effects of dynamic defocus display technology on ocular health parameters using rigorous scientific approaches.
- Trial name
- NCT07291856
- Testing
- Dynamic Defocus Mode
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia, Mental Health
Intervention for Preventing Myopia and Multimorbidity in Children
This study aims to develop and evaluate a scalable, hybrid intervention model for the co-prevention of myopia, obesity, and mental health issues among children.
- Conditions
- Myopia, Mental Health, Cardiovascular Health Status
- Trial name
- NCT07294222
- Testing
- Standard School Health Education, Multi-component Health Promotion Package
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
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
Ametropia, Myopia
Apioc Contact Lens Feasibility
This clinical trial will document the feasibility of the Apioc lens design by assessing which lens shape parameters yield successful on-eye-fit and movement of the Apioc contact lens design and evaluate the subjectively-reported…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT03688672
- Testing
- Apioc Contact Lens Design
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Myopia
Evaluation of Visual Performance With Contact Lenses
This study will evaluate the influence of contact lens optical design on visual performance using standard and multifocal soft contact lenses (MFCLs).
- Trial name
- NCT03705130
- Testing
- Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Houston