Clinical trials: Error, Refractive
Myopia
Evaluation of the Performance of AIR OPTIX® COLORS
The purpose of this study was to assess the ocular response to and performance of the cosmetically printed silicone hydrogel contact lens AIR OPTIX® COLORS compared to FRESHLOOK® COLORBLENDS.
- Trial name
- NCT01338402
- Testing
- Lotrafilcon B contact lens, Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Where
- Canada
- Volunteers
- 47 people
- Sponsor
- CIBA VISION
Myopia
The Different Design of Orthokeratology
In this study, we intend to enroll orthokeratology subjects aged 8-18 years old with binocular myopia up to and including -4.00 D.
- Trial name
- NCT05956704
- Testing
- Orthokeratology with aspheric wide inversion zone design in the optical zone, Orthokeratology with traditional spherical design in the optical zone
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia
1 Week Crossover Dispensing Study Between Two Soft Contact Lenses
The objective of this investigation is to compare the visual clinical performance of a silicone hydrogel daily disposable investigational contact lenses to a hydrogel daily disposable commercially available contact lenses.
- Trial name
- NCT06170658
- Testing
- Test Lenses (stenfilcon A), Control Lenses (omafilcon A)
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- CooperVision, Inc.
Near Vision, Refractive Error Correction
Clinical Outcomes of the Use of a Femtosecond Laser Treatment in a Patient With Implanted Monofocal IOLs
This study aims to assess the safety and efficacy of evaluating near vision or refractive error in eyes implanted with a mono focal intraocular lens (IOL) using a low-energy femtosecond laser.
- Trial name
- NCT07447622
- Testing
- Device
- Where
- Czechia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Myopia
Study of Atropine Sulfate Eye Drops(0.01%) in Treating Near-work-induced Transient Myopia in Children
This study is a randomized, double-blind, placebo-controlled, parallel-group study to evaluate the safety and efficacy of atropine sulfate eye drops (0.01%) in treating transient myopia induced by near work tasks (NITM) in…
- Trial name
- NCT06697522
- Testing
- Atropine Sulfate
- Where
- China
- Volunteers
- 148 people
- Sponsor
- Ocumension Therapeutics (Suzhou) Co., Ltd
Myopia, High Myopia
The Monitoring and Intervention of Refractive Changes in Children and Teenagers in Tianjin
The study aimed to collect multi-factor information on school-age children with pre-clinical myopia, and to identify the initial factors and warning signs of myopia.
- Trial name
- NCT05691296
- Testing
- Home training, School training
- Where
- China
- Volunteers
- 4,000 people
- Sponsor
- Tianjin Eye Hospital
Myopia
Effect of Vision Therapy in Myopic Children With Poor Accommodative Response
This study aims to determine the treatment effect of vision therapy on myopic children by assessment of accommodative function before and after therapy.
- Trial name
- NCT03006601
- Testing
- Office-based accommodative/vergence therapy
- Where
- China
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia
Clinical Validation of the New Print on Focus DAILIES Toric
The purpose of this study is to validate the improvements to the inversion indicator.
- Trial name
- NCT01097863
- Testing
- nelfilcon A contact lens, modified inversion indicator, nelfilcon A contact lens, no inversion indicator, nelfilcon A contact lens, inversion indicator
- Volunteers
- 280 people
- Sponsor
- CIBA VISION
Myopia, Progressive
Myopia-control Efficacy by Peripheral Defocus Lens (PDL)
The proposed study below aims to assess the effect of customized Bestivue PDL lenses on retinal image quality and myopia control. A total of 160 subjected would be enrolled in and randomized to allcoate into four groups.
- Trial name
- NCT05373693
- Testing
- Single vision lens, +2D PDL, +3D PDL
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia, Astigmatism
Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact Lens Wearers
The purpose of this study is demonstrate substantial equivalence of an investigational contact lens disinfecting solution to a commercially available contact lens solution in gas permeable lens wearers.
- Conditions
- Myopia, Astigmatism, Hyperopia, Refractive Error
- Trial name
- NCT01912781
- Testing
- FID 120947A contact lens disinfecting solution, Boston Simplus multi-action solution, Gas permeable contact lenses
- Volunteers
- 112 people
- Sponsor
- Alcon Research
Myopia, Hyperopia
DAILIES TOTAL1® Soft Contact Lenses - Post-Market Clinical Follow-up Study
The purpose of this study is to continuously assess the visual performance and safety of DAILIES TOTAL1 soft contact lenses in a real world setting and broader patient base through routine clinical practices.
- Conditions
- Myopia, Hyperopia, Presbyopia, Astigmatism
- Trial name
- NCT06483113
- Testing
- Delefilcon A spherical soft contact lenses, Delefilcon A toric soft contact lenses, Delefilcon A multifocal soft contact lenses
- Where
- 12 sites in United States
- Volunteers
- 192 people
- Sponsor
- Alcon Research
Myopia
Mitomycin-c Application for PRK
To evaluate the safety and efficacy of 5 seconds mitomycin-C (MMC) application during photorefractive keratectomy (PRK) for patients with low myopia.
- Trial name
- NCT01504282
- Testing
- mitomycin-C
- Where
- Iran
- Volunteers
- 90 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Myopia
Safety and Efficacy Study of 0.5%, 0.1% & 0.01% Atropine Treatment to Both Eyes In Treatment of Myopia In Children
The purpose of this study is to find an optimal dose of atropine for preventing the rapid progression of myopia in children by comparing the efficacy, safety and functional impact of binocular treatment with 0.5%, 0.1% and 0.01%…
- Trial name
- NCT00371124
- Testing
- Atropine Eye drops
- Where
- Singapore
- Volunteers
- 400 people
- Sponsor
- Singapore National Eye Centre
Myopia
Comparing Myopia Control Efficacy in Children With 4 Methods: Orthokeratology, DIMS, DISK, and SVS.
The goal of this clinical trial is to learn if 3 optical interventions（DIMS, DISC and orthokeratology) to control myopia have different efficacy to slow myopia progression in children when the control is single focus…
- Trial name
- NCT06654180
- Testing
- Orthokeratology, defocus-incorporated multiple segment lenses (DIMS) spectacles, DISK
- Where
- 2 sites in China
- Volunteers
- 100 people
- Sponsor
- Kaikai QIU
Myopia, Progressive
Myopia Preventing With Distance-image Screen
This study is for testing the efficacy and safety of distance-image screens for preventing myopia in children for 12 month. Each subjects would be asked to paired test the ocular parameters between before and after 12-month…
- Trial name
- DIS (NCT06088225)
- Testing
- distance-image screen
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Myopia
Low-dose Atropine Eye Drops to Reduce Progression of Myopia in Children in the United Kingdom
Short-sightedness, also called myopia, makes objects in the distance, such as the television, look blurred. This is caused by the eye growing too long, something that usually happens while children are also getting taller.
- Trial name
- CHAMP-UK (NCT03690089)
- Testing
- Atropine Sulfate
- Where
- 4 sites in United Kingdom
- Volunteers
- 289 people, healthy volunteers welcome
- Sponsor
- Belfast Health and Social Care Trust
Healthy, Myopia
Ocular Imaging With Spectral Domain Optical Coherence Tomography
The purpose of this study is to analyze macular retinal thickness and macular volume using the spectral domain - optical coherence tomography (SD-OCT) in normal eyes and in eyes with various ocular diseases.
- Conditions
- Healthy, Myopia, Hypermetropia
- Trial name
- NCT00926549
- Testing
- Spectral domain-OCT (Cirrus™ HD-OCT, Carl Zeiss Meditec AG)
- Where
- South Korea
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Myopia
Pilot Study of Accommodative/Vergence Therapy to Modify Accommodative Function in Children With Myopia
This study aims to determine the treatment effect of accommodative/vergence therapy on myopic children by assessment of accommodative function before and after therapy.
- Trial name
- ACC (NCT02578407)
- Testing
- accommodative/vergence therapy
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia
Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study
This project aims to study the effects of treatment characteristics on myopia control in orthokeratology by investigating the effects of modified treatment zone by reducing the lens back optic zone diameter on the effect of…
- Trial name
- NCT03191942
- Testing
- Modified ortho-k lenses, Ortho-k lenses
- Where
- 2 sites in Hong Kong
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Anisometropia
Ocular Response Analyzer Assessment of Intraocular Pressure and Corneal Biomechanical Properties in Myopic and Anisometropic Patients Under Atropine Treatment
Our study has three parts has three parts, and the main aim of the study is to find out if corneal hysteresis was associated with myopia or even a predictor of myopia poor control predictor: Part 1 of our study: patients with…
- Trial name
- NCT00658502
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital