Clinical trials: Refractive Error
Myopia, Physical Fitness
Influence of Strength Training on Myopia Care in Kindergarten Children
With the advancement of technology and changes in lifestyle, the physical activity levels of modern children have gradually decreased.
- Conditions
- Myopia, Physical Fitness, Muscle Strength
- Trial name
- NCT07121049
- Testing
- Strength training
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hungkuang University
Refractive Errors, Amblyopia
Performance of 2WIN Photoscreener With Corneal Reflex Compared to School Bus Retinoscopy by AAPOS Guidelines
Pediatric eye patients receive infrared photoscreener screening and skiascopy as a part of routine examination to compare ability to detect amblyopia risk factors.
- Conditions
- Refractive Errors, Amblyopia, Strabismus, Development Delay
- Trial name
- 2WINbus (NCT03668067)
- Testing
- 2WIN photoscreener
- Where
- United States
- Volunteers
- 471 people
- Sponsor
- Alaska Blind Child Discovery
Eye--Refractive Errors
Effect of Using Myopia Prediction Algorithm
In this study, the investigators aim to perform a prospective, randomized controlled study to compare the myopia development between children using myopia prediction algorithm and children without using myopia prediction…
- Trial name
- NCT04005014
- Testing
- Myopia prediction algorithm
- Volunteers
- 1,680 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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
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
Myopia Control Using Novel Soft Contact Lenses
The goal of this study is to investigate the myopic control efficacy of two study soft contact lenses in children. Participants will be prescribed Lens A, Lens B or single vision contact lenses for the first year.
- Trial name
- NCT07547085
- Testing
- Lens A, Lens B
- Where
- Hong Kong
- Volunteers
- 126 people
- Sponsor
- The Hong Kong Polytechnic University
Myopia
The Effect of +3.00ADD on Myopia Progression in Chinese Children
The purpose of this study is to evaluate the effect of +3.00ADD vs single vision spectacle on the progression of myopia in children.
- Trial name
- NCT03242226
- Testing
- two spectacles, single vision spectacles
- Where
- China
- Volunteers
- 440 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Juvenile Myopia, Myopia
CYPRESS Efficacy and Safety Study Extension
This is an open-label, controlled, multisite, two-arm parallel group clinical trial of 36-month duration to evaluate the continued safety and efficacy of SightGlass Vision Diffusion Optics Technology (DOT) Spectacles in reducing…
- Trial name
- CYPRESS (NCT04947735)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 12 sites in United States, Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Refractive Error, Myopia
Clinical Performance of a New Daily Disposable Contact Lens Worn in an Established Contact Lens Wearing Population
This study seeks to evaluate the clinical and subjective performance of a new daily disposable soft contact lens.
- Trial name
- NCT00708643
- Testing
- Habitual Silicone Hydrogel Contact Lens, narafilcon A
- Where
- Canada
- Volunteers
- 80 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Progressive
Low Concentration Atropine in the Prevention of Myopia in Children.
This double-blind, randomized controlled clinical study is to evaluate the effectiveness and safety of low concentration atropine in preventing myopia in pre-myopia children, and to explore whether there is a dose effect…
- Trial name
- NCT05939882
- Testing
- low concentration atropine (0.01%), low concentration atropine (0.02%), low concentration atropine (0.04%)
- Where
- China
- Volunteers
- 428 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Progressive, Refractive Errors
Repeated Low-Level Red-Light Therapy and Orthokeratology in Fast-progressing Myopia Control
The purpose of this multicenter randomized clinical trial is to evaluate the adjunctive effect of repeated low-level red-light therapy (RLRL) and orthokeratology (ortho-k) on myopia control in ortho-k non-responders who have…
- Conditions
- Myopia, Progressive, Refractive Errors, Eye Diseases
- Trial name
- NCT04722874
- Testing
- Ortho-k lenses, RLRL
- Where
- 3 sites in China
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Association of Genetic Variants With Myopia
This study aims to identify genetic factors linked to myopia, including those that influence a person's risk of developing it and how quickly it progresses (like changes in eye length).
- Trial name
- NCT07030153
- Testing
- Oral swab DNA analyzed for myopia-related gene variants
- Where
- 2 sites in China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Beijing Visionly Plus Eye Hospital
Myopia
Assessing the Performance of Lotrafilcon A Lenses During a Three Month Period
The purpose of this trial is to assess the performance of an investigational contact lens over a three month period.
- Trial name
- NCT00933166
- Testing
- Lotrafilcon A contact lens
- Volunteers
- 169 people
- Sponsor
- CIBA VISION
Myopia
A Singapore Study to Assess How Neurovision Improve the Vision of Adults With Low to Moderate Myopia
To evaluate the efficacy of NeuroVision NVC vision correction technology to improve the vision of subjects with Low and Moderate Myopia in Asian eyes in Singapore
- Trial name
- NCT00348075
- Testing
- Neurovision
- Where
- Singapore
- Sponsor
- Singapore National Eye Centre
Myopia, Progressive
A Unified Index to Predict the Success Probability of Myopia Control
Orthokeratology lenses (OK-lens) and multifocal contact lenses (MFCL) are optical devices designed to slow down the progression of myopia. Both treatments a long-term commitment from doctors and patients.
- Trial name
- NCT05773118
- Testing
- orthokeratology lens, multifocal soft contact lens, Single vision spectacles
- Volunteers
- healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Myopia
Controlling Myopia Progression With Soft Contact Lenses
This study is to investigate whether novel soft contact lens optical designs can slow myopia progression.
- Trial name
- NCT00762970
- Testing
- Test Lens 1, Test Lens 2, Control Lens
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Convergence Insufficiency
The Health-Related Quality of Life of the Patients With Symptomatic Convergence Insufficiency
This trial is an observational cohort study. Patients aged 8-15 years with symptomatic convergence insufficiency and 150 patients with symptomatic convergence insufficiency who had not received visual training were selected from…
- Trial name
- NCT05948046
- Testing
- Visual training in hospital
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Tianjin Eye Hospital
Myopia
Controlling Myopia Progression With Soft Contact Lenses
This study is to investigate whether novel soft contact lens optical designs can slow myopia progression.
- Trial name
- NCT01787760
- Testing
- Test Soft Contact Lens B, Test Soft Contact Lens C, Active Comparator
- Where
- Hong Kong
- Volunteers
- 221 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism, Myopia
Effect of a Myopia Control Lens on the Astigmatism in Children
The goal of this clinical trial is to investigate over a one-year period the effect of myopia control spectacle lenses on astigmatism in children aged 6 to 13 years with myopia and astigmatism.
- Trial name
- MAC (NCT07810725)
- Testing
- Lenslet-based myopia control spectacle lens
- Volunteers
- 15 people
- 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