Clinical trials: Refractive Error - Myopia
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
Myopia
The Clinical Comparison of Senofilcon A and Stenfilcon A Contact Lenses
The objective of this study is to compare the clinical performance of senofilcon A lens with the stenfilcon A lens each for one week of daily disposable wear.
- Trial name
- NCT02643004
- Testing
- Senofilcon A, Stenfilcon A
- Where
- United Kingdom
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Juvenile Myopia, Myopia
Assessment of DOT Spectacles in Chinese Children Extension
This is a randomized, controlled, open-label, evaluator-blinded, multicenter, clinical trial of 12-months duration to evaluate the continued safety and efficacy of Diffusion Optics Technology (DOT) spectacle lenses in reducing…
- Trial name
- CATHAY Ext (NCT07008001)
- Testing
- Novel spectacle lens design
- Where
- 5 sites in China
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Progressive
To Evaluate the Efficacy and Safety of an Defocus Lens in Slowing the Progression of Myopia
To confirm the efficacy of DIMS lenses in controlling myopia progression, we planned a prospective, single-centre, randomised, double-blind, controlled, non-inferiority clinical study.
- Trial name
- NCT06405711
- Testing
- frame lens
- Where
- China
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia, Hyperopia
Safety and Efficacy Study to Evaluate the Treatment of Both Near and Distance Vision in a Simultaneous Laser Procedure
By using a new software two consecutive laser treatments have been combined to correct the distance vision and to provide a near vision component in addition to the first treatment.
- Conditions
- Myopia, Hyperopia, Presbyopia, Refractive Error
- Trial name
- Supracor (NCT01322919)
- Testing
- Supracor
- Where
- Mexico
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Technolas Perfect Vision GmbH
Myopia, Hyperopia
Comparison of Acular LS Versus Nevanac for Pain Control in Eyes Undergoing PRK
To determine the ability of two topical Nonsteroidal Anti-inflammatory drops (Acular LS \& Nevanac) to help control pain following Photorefractive Keratectomy (PRK).
- Trial name
- NCT00347204
- Testing
- ketorolac (Acular LS), Nepafenac (Nevanac)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Center For Excellence In Eye Care
Myopia, Refractive Errors
Effect of Peripapillary Atrophy to Diagnose Glaucoma in High Myopia
This study intends to analyze the characteristics between peripapillary retinal nerve fiber layer thickness and peripapillary area in high myopia with or without glaucoma
- Conditions
- Myopia, Refractive Errors, Eye Diseases, Glaucoma, Primary Open Angle
- Trial name
- NCT05964634
- Testing
- OCT imaging
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
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, Hyperopia
Evaluation of Outcomes Using the Amo Advanced CustomVue Ilasik Procedure
The purpose of this study is to assess the efficacy, predictability and safety of the Advanced CustomVue™ iLASIK procedure (WaveScan WaveFront® System, STAR S4 IR™ Excimer Laser System and IntraLase™ FS System).
- Trial name
- iLASIK (NCT00765960)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Pain, Vision Nearsighted
Post Photorefractive Keratectomy (PRK) Use of an Eye Shield for Maintaining Vision and Mitigating Pain
The purpose of this research is to determine if an investigational thin shield over the cornea can safely and effectively reduce or eliminate pain following Post Photorefractive Keratectomy (PRK).
- Trial name
- Nexis-CS0032 (NCT01592643)
- Testing
- Eye Shield
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Stanford University
Presbyopia
A Clinical Trial of The VisAbility Micro Insert System for Presbyopic Patients
The purpose of this study is to evaluate the safety and effectiveness of the VisAbility Micro Insert System for the improvement of near visual acuity in presbyopic patients.
- Trial name
- NCT02374671
- Testing
- VisAbility Micro Insert
- Where
- 14 sites in United States
- Volunteers
- 365 people, healthy volunteers welcome
- Sponsor
- VisDura, Inc.
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
Peripheral Choroidal Layer Response
The study aims to examine how the vascular layer of the eyeball (choroidal layer) responds when part of the visual field is exposed to specially generated visual stimulus.
- Trial name
- NCT05132140
- Testing
- adaptive optics system
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Houston
Myopia
Use of the VisuMax™ Femtosecond Laser
The objective of this clinical trial is to evaluate the safety and effectiveness of the Carl Zeiss Meditec VisuMax™ Femtosecond Laser lenticule removal procedure for the reduction or elimination of myopia from ≥ -1.00 D to ≤…
- Trial name
- NCT01638390
- Testing
- Treatment with the VisuMax™ Femtosecond Laser
- Where
- 5 sites in United States
- Volunteers
- 357 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Visual Impairment, Myopia
At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults
This study is aimed at examining the BCVA from try-on glasses constructed from measurements from the EyeQue VisionCheck.
- Conditions
- Visual Impairment, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04820218
- Testing
- With Try-on glasses
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Blindness,Visual Impairment, Refractive Error, Cataract, High Myopia, Aging
Shanghai Eye Study for Adults
Blindness and visual impairment severely impact the visual health and life quality of people, particularly the 2.566 million senior citizens aged at 65 and above in Shanghai.
- Trial name
- SESA (NCT03455478)
- Testing
- spectacles
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Refractive Errors, Hyperopia
School-based Myopia Prevention Trial for Children With Insufficient Hyperopic Reserve
This is a prospective, school-based randomized controlled trial designed to evaluate auricular acupressure for myopia prevention in non-myopic primary school students with insufficient hyperopic reserve.
- Conditions
- Refractive Errors, Hyperopia, Myopia
- Trial name
- SPARK (NCT07746804)
- Testing
- Auricular Acupressure, Eye Health Education
- Where
- China
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Refractive Errors, Myopia (Disorder)
Environmental Health and Myopia Prevention and Control
Myopia is one of the major causes of low visual acuity during childhood. It is generally more prevalent in urban areas than in rural areas.
- Trial name
- NCT04161326
- Where
- China
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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.