Clinical trials: Refractive Assessment
Myopia
A 3-year Cross-sectional Assessment of the Tianjin Child and Adolescent Large-scale Eye Study
This is a school-based, cross-sectional study to assess the incidence and prevalence, risk factors of myopia among schoolchildren in both eye-use environment, eye-use habits, lifestyle, and family and subjective factors before…
- Trial name
- NCT05967702
- Where
- China
- Volunteers
- 126,810 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
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
The Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study
To compare and contrast normal eye growth, ocular component development, and refractive error development in Hispanic, African-American, and Asian schoolchildren with what happens in Caucasian children from the Orinda…
- Trial name
- NCT00000169
- Where
- 3 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Myopia
A Clinical Study to Evaluate the Remote Monitoring of Myopia Patients With the EyeQue Insight
The objective of this study is to determine whether the remote monitoring of myopia patients with the EyeQue Insight (visual acuity test) can replace regularly scheduled follow-up visits.
- Trial name
- NCT04693260
- Testing
- Visual Acuity with a Hand-held Device Supported by Mobile App.
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Presbyopia
Safety and Efficacy of an Intrastromal Transform™ Corneal Allograft (TCA) for Presbyopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for improving near vision in presbyopic subjects.
- Trial name
- NCT03671135
- Testing
- TCA Intrastromal Inlay
- Where
- 4 sites in Belgium, Ireland and 1 more
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Allotex, 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, 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
A Controlled Evaluation of Optical Defocus Parameters on Transient Changes in Axial Length Using Kubota Glass
This study will assess the optimal performance characteristics of optical defocus on transient changes in axial length with Kubota Glass, using a randomized, double-masked, 5-treatment, 5-period crossover design with…
- Trial name
- NCT07686289
- Testing
- KG1, KG2, KG3
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Myopia
Pilot Study to Assess the Efficacy of Short Exposure to Defocus to Slow the Progression of Myopia in Children
The objective of this pilot study is to establish whether brief periods of high levels of acutely imposed myopic defocus can be used to slow the progression of myopia in children, as measured by changes in spherical equivalent…
- Trial name
- NCT00400140
- Testing
- Hyperopic lens
- Where
- Singapore
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia
Efficacy and Influencing Factors of Repeated Low-level Red-light in Myopia
To evaluate the long-term efficacy of repeated low-level red-light (RLRL) therapy in the prevention and control of myopia in children, and to analyze the key factors influencing its efficacy (such as individual differences and…
- Trial name
- RLRL (NCT07104513)
- Testing
- Red Light
- Where
- 2 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Ruihua Wei
Myopia
Examination of Myopia Progression and Soft Bifocal Contact Lens Myopia Control
This project intends to provide important, previously unmet answers regarding biological associations with myopia (nearsightedness) progression in order to improve the ability to predict patients who are most likely to benefit…
- Trial name
- BLINK2 (NCT04080128)
- Testing
- Contact lenses
- Where
- 2 sites in United States
- Volunteers
- 248 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Presbyopia
Clinical Outcomes of Femtosecond Laser Presbyopia Treatment in Monofocal IOLs
This study aimed to assess the safety and efficacy of treating presbyopia in eyes implanted with a mono focal IOL using a low-energy femtosecond laser.
- Trial name
- NCT07384182
- Testing
- Perfector
- Where
- Czechia
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Refractive Errors, Accomodation
Study in Pediatric Volunteers of a Handheld Device Versus a Standard Diagnostic Device in Ophthalmic Refraction
This study is exploratory and examines whether the refraction results obtained from a novel optical device yields results similar to the ophthalmic refraction measurements obtained from an autorefractor in children.
- Conditions
- Refractive Errors, Accomodation, Diagnostic Self Evaluation
- Trial name
- NCT04955379
- Testing
- EQ103
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Myopia, Progressive, Myopia
Clinical Evaluation of a Myopia Control Lens in Slowing Myopia Progression
This is a monocenter, randomized, controlled, parallel-group, double-masked clinical trial to evaluate the effectiveness of test lens in slowing myopia progression with respect to axial length elongation at baseline compared to a…
- Trial name
- NCT05331378
- Testing
- Test myopia control lenses, Single vision lenses
- Where
- Singapore
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia
Assessment of Bifocal and Prismatic Bifocal Spectacles for Myopia Control in Children
1. To determine if the effect of near-addition lenses (bifocals) is more prominent for children with high myopia progression. 2.
- Trial name
- NCT00787579
- Testing
- Bifocal spectacles, Prismatic bifocal spectacles
- Where
- Canada
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia
Evaluation of Two Daily Disposable Contact Lenses.
The objective of this clinical study is to evaluate the product performance of SofLens daily disposable contact lenses packaged in the investigational Test solution versus SofLens daily disposable contact lenses packaged in…
- Trial name
- NCT01300065
- Testing
- Experimental- Soflens, Marketed - Soflens
- Where
- United States
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
no Obvious Abnormalities, Diabetic Retinopathy (DR)
Retinal Clinical Assessment With AI-derived Quantitative Information
This randomized controlled trial evaluates whether providing clinicians with AI-derived quantitative retinal information improves the quality and efficiency of retinal clinical assessment.
- Conditions
- no Obvious Abnormalities, Diabetic Retinopathy (DR), AMD, Cup-to-disc Ratio Bigger Than 0.5
- Trial name
- NCT07291960
- Testing
- AI-derived retinal quantitative information-assisted reporting
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia, Progressive
Clinical Evaluation of MyoCare in Europe (CEME)
A 2-year prospective, multicenter, randomized controlled, and double-blind clinical trial is used to investigate the efficacy of a new design of ophthalmic lenses to slow the progression of myopia.
- Trial name
- CEME (NCT05919654)
- Testing
- MyoCare, ClearView
- Where
- Spain
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
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.
Child, Motor Activity
CHAMPS Eye Study - Myopia and Retinal Vascular Geometry in Relation to Physical Activity
An increasingly physical inactive lifestyle in the Western World has led to a higher number of lifestyle -related diseases. The consequences are now already present in childhood with an increased prevalence of overweight…
- Conditions
- Child, Motor Activity, Myopia
- Trial name
- NCT02346006
- Testing
- More physical activity.
- Volunteers
- 307 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital