Clinical trials: Myopia; Refractive Error
Myopia
Influence of Rodenstock Spectacle Lenses on Myopia Progression.
The prevalence of myopia in Singapore is among the highest in the world, with 65 percent of our children being myopic by Primary 6, and 83 percent of young adults being myopic.
- Trial name
- NCT06816446
- Testing
- Myopia control spectacle lens, Single-vision lens
- Where
- Singapore
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- Rodenstock GmbH
Myopia
Daily Disposable Dispensing Clinical Trial of Test Lens Against Stenfilcon A Lens
The purpose of this study is to investigate the overall clinical performance of the test daily disposable stenfilcon A lens with solution additive (test) compared to the stenfilcon A lens (control).
- Trial name
- NCT03024970
- Testing
- stenfilcon A lens with solution additive (test), stenfilcon A lens (control)
- Where
- 2 sites in United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- CooperVision, 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
Myopia, Refractive Errors
School-based Myopia Prevention Trial for Children With Adequate Hyperopic Reserve
This is a prospective, school-based randomized controlled trial designed to evaluate a wearable device-supported outdoor activity program for myopia prevention in primary school students with adequate hyperopic reserve.
- Conditions
- Myopia, Refractive Errors, Hyperopia
- Trial name
- SPARK (NCT07746752)
- Testing
- Wearable Device-Supported Myopia Prevention Program, Eye Health Education
- Where
- China
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Teenagers, Myopia
Visual and Postural Behavior in Myopic and Non-Myopic Teenagers
The goal of this observational study is to learn whether different types of eyeglasses prescription and different types of lenses change how close teenagers hold objects when looking at them up close.
- Trial name
- CALYPSO (NCT07440134)
- Testing
- Ophtalmic measurements, Visuo-postual measurements
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor International
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
Myopia
Post-market Follow Up Study on Paragon CRT® 100 (Paflufocon D)
The main objective of this post market clinical study is to evaluate the effectiveness and safety of the Paragon CRT®100 Contact Lens.
- Trial name
- NCT04187599
- Testing
- Paragon CRT®100 Contact Lens
- Where
- 4 sites in China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Myopia Control With Simultaneous Vision Approach
To determine if the 'Defocus Incorporated Soft Contact' (DISC) lens slows myopia progression in Hong Kong schoolchildren using simultaneous vision approach.
- Trial name
- NCT00919334
- Testing
- Defocus Incorporated Soft Contact (DISC) lens
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Myopic Astigmatism
Optical Quality, Threshold Target Identification, and Military Target Task Performance After Advanced Keratorefractive Surgery
To determine the effect of two types of wavefront modalities (WFG vs. WFO) and two types of refractive surgery (PRK vs. LASIK) on visual and military task performance after laser refractive surgery.
- Trial name
- NCT01097525
- Testing
- WFG PRK, WFG LASIK, WFO PRK
- Where
- 2 sites in United States
- Volunteers
- 224 people, healthy volunteers welcome
- Sponsor
- Fort Belvoir Community Hospital
Hyperopia, Myopia
Clinical Study of Clariti Monthly Contact Lens
A clinical study report follows; this clinical study evaluated the safety and efficacy of SAUFLON CLARITI Soft Silicone Hydrogel Contact Lens with UV Blocker by comparison with Air Optix Aqua silicone hydrogel contact lenses…
- Trial name
- NCT01392950
- Testing
- Air Optix Aqua, Clariti
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Sauflon Pharmaceuticals Ltd
Refractive Errors
Clinical Evaluation of Acuity 200 (Fluoroxyfocon A) RGP Contact Lens
The objective of this clinical investigation is to collect valid scientific safety and effectiveness data on the Acuity 200 (fluoroxyfocon A) Rigid Gas Permeable Contact Lens, manufactured from a newly developed rigid gas…
- Trial name
- Acuity 200 (NCT03971227)
- Testing
- Acuity 200 (Fluoroxyfocon A) contact lens, Acuity 100 (Hexafocon A) contact lens
- Where
- 3 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Acuity Polymers, Inc.
Myopia
Retinal Oxygen Metabolism in Children With Myopia
The aim of the present study is to gain more information about retinal functional parameters in myopic children in Europe. For this purpose, a prospective case-control study in children aged between 8 and 13 years, as this is the…
- Trial name
- NCT07473401
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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.
Cataract, Refractive Errors
Panoptix Trifocal Lens in Post Refractive Myopic Laser Vision Correction Surgery
The two main objectives of this study are to demonstrate safety and effectiveness of implanting the PanOptix Trifocal IOL in patients who have had previous myopic Lasik.
- Trial name
- NCT04698278
- Testing
- PanOptix Trifocal Intraocular Lens
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Parkhurst NuVision Clinical Research LLC
Myopia
A Comprehensive Assessment of Anterior Corneal Power by Different Devices
To comprehensively assess the precision and agreement of anterior corneal power measurements using 8 different devices.
- Trial name
- NCT01587287
- Testing
- Corneal power measurement
- Where
- China
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Myopia
To Study the Effects of Baby Drink on Vision Care
Baby Drink is a formula based on lutein, mixed with blueberry fermented liquid, vitamins and minerals. Lutein is an effective antioxidant to prevent retinal damage caused by blue light, but it cannot be produced in the human body…
- Trial name
- NCT05778201
- Testing
- Baby Drink group
- Where
- Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Myopia
The Beijing Childhood Eye Study
Axial myopia has emerged as the leading cause of irreversible vision loss in East Asia, driven by its progression to sight-threatening complications including myopic macular degeneration, retinal detachment, open-angle glaucoma…
- Trial name
- BCES (NCT06931444)
- Where
- China
- Volunteers
- 3,760 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Corneal WFG Versus AF Trans PRK in Myopic Patients With High Corneal HOA
compare the efficacy, safety and predictability of corneal wavefront guided (WFG) and aberration free ablation in single-step transepithelial photorefractive keratectomy (TransPRK) in myopic patients with high pre-existing…
- Trial name
- NCT03786861
- Testing
- corneal WFG group, aberration free group
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Retinopathy of Prematurity, Myopia
Prematurity and Ophthalmological Changes
Ophthalmological differences in school-aged children with and without a history of retinopathy of prematurity
- Trial name
- NCT06452524
- Testing
- axial length (AU) and anterior chamber depth (ACD), optical coherence tomography (OCT)
- Where
- Turkey (Türkiye)
- Volunteers
- 211 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Presbyopia, Low Vision
Development and Validation of a Digital Optotype for Near Vision in Greek Language.
Primary objective of our study is to develop and validate a computer-based digital near-vision optotype based on the Greek version of the print MNREAD.
- Conditions
- Presbyopia, Low Vision, Near Vision
- Trial name
- DeDART (NCT04242836)
- Testing
- MNREAD testing
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace