Clinical trials: Refractive Error - Myopia
Myopia
Contact Lenses and Myopia
The objective of this study is to determine if multifocal contact lenses affect accommodation and/or binocular vision when worn by pediatric patients.
- Trial name
- CLAM (NCT02180347)
- Testing
- Contact lenses
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Myopia
Clinical Comparison of Two Daily Disposable Contact Lenses in a Population of Daily Disposable Contact Lens Wearers
The purpose of this study is to evaluate the performance of two commercially marketed daily disposable contact lenses in a population of daily disposable contact lens wearers.
- Trial name
- NCT01233076
- Testing
- Nelfilcon A contact lens, Narafilcon B contact lens
- Volunteers
- 60 people
- Sponsor
- CIBA VISION
Presbyopia, Ametropia
Clinical Trial With Artiflex Presbyopic (Artiplus)
The purpose of this clinical trial is to evaluate the effectiveness and safety of the multifocal Artiflex Presbyopic (Artiplus) intraocular lens.
- Conditions
- Presbyopia, Ametropia, Refractive Errors, Myopia
- Trial name
- NCT04632784
- Testing
- Artiflex Presbyopic (Artiplus) implantation
- Where
- 7 sites in South Korea, Spain
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
Myopia
Efficacy and Safety of 1% Atropine "5+3" Regimen in Children and Adolescents Controlling Myopia
Studies have shown that atropine eye drops are effective in controlling myopia in children and adolescents. 1% atropine ophthalmic drug has obvious curative effect for controlling myopia, but its side effects such as photophobia…
- Trial name
- NCT05448989
- Testing
- 1% atropine 5+3
- Where
- China
- Volunteers
- 192 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Comparison of LASIK and SBK
The objective of the study is to compare clinical outcomes from LASIK and SBK using FDA-approved laser technology on the same patient
- Trial name
- NCT00714363
- Testing
- LASIK, SBK
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Utah
Myopia
A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression
The objective of this clinical trial was to evaluate the efficacy and safety of defocusing lenses for delaying myopia progression in children and adolescents.
- Trial name
- NCT06411717
- Testing
- Microstructure lens A, Microstructure lens B, Control group
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Suzhou Care-Real Medical Technology Co., Ltd.
Myopia
Comparison of Efficacy Between Two Myopia Control Lenses
This is a one-year, mono-centre, randomize, double-masked, monocular cross-over clinical trial designed to test and compare the efficacy of the new lens design in slowing down the increase of axial length and controlling myopia…
- Trial name
- NCT06148870
- Testing
- Myopia Control Lens-1 (MCL1), Myopia Control Lens-2 (MCL2)
- Where
- Singapore
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors, Myopia
Clinical Assessment of a HYDRAGLYDE® Regimen
The purpose of this study is to evaluate worn AIR OPTIX® plus HYDRAGLYDE® (AOHG) lenses cleaned and disinfected with HYDRAGLYDE® containing lens solutions compared to each of the control habitual silicone hydrogel (SiHy) lenses…
- Conditions
- Refractive Errors, Myopia, Hypermetropia
- Trial name
- NCT03026257
- Testing
- Lotrafilcon B contact lenses with added wetting agent, Samfilcon A contact lenses, POLYQUAD/ALDOX-preserved contact lens solution with added wetting agent
- Where
- 8 sites in United States, Canada and 1 more
- Volunteers
- 323 people
- Sponsor
- Alcon, a Novartis Company
Macula Hole, Retinal Detachment
Amniotic Membrane for Recurrent Macular Hole
Macular hole surgery were tried by different surgeons using many techniques with different successes but still there were many recurrences.
- Conditions
- Macula Hole, Retinal Detachment, Myopic Macular Degeneration
- Trial name
- NCT03528122
- Testing
- Recurrent opened macular hole
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Minia University
Myopia, Astigmatism
Evaluation of Orthokeratology Lenses With a 5MM Optic Zone Diameter
To evaluate the clinical performance and user-reported experience of Paragon CRT contact lenses with a 5mm Optic Zone Diameter (OZD)
- Trial name
- NCT07751172
- Testing
- Lens A (paflufocon D)
- Where
- 3 sites in United States, Spain
- Volunteers
- 70 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
The Clinical Comparison of Narafilcon A and Stenfilcon A Contact Lenses
This study aims to compare the clinical performance and subjective acceptance of the narafilcon A lens with the stenfilcon A lens when used on a daily wear, daily disposable basis.
- Trial name
- NCT02920970
- Testing
- narafilcon A, stenfilcon A
- Where
- United Kingdom
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Errors
Bifocal & Atropine in Myopia (BAM) Study
This study will test whether the combined treatment of 0.01% atropine and soft bifocal contact lens wear produces slower myopia progression and axial elongation compared to soft bifocal contact lenses alone in children ages 7 to…
- Trial name
- BAM (NCT03312257)
- Testing
- Multifocal D +2.50 add & 0.01% atropine
- Volunteers
- 49 people
- Sponsor
- Jenny Jones
Myopia, Children
Study of Atropine Therapeutic Effect on Myopic Progression
This study is to evaluate the therapeutic effect and safety of LPTAT in children with myopia.
- Trial name
- STAMP (NCT05529056)
- Testing
- Atropine Sulfate 01, Atropine Sulfate 02, Atropine Sulfate 03
- Where
- 15 sites in South Korea
- Volunteers
- 472 people
- Sponsor
- LitePharmTech Co., Ltd.
Refractive Surgery
Comparison Between the SBK Microkeratome Versus Femtosecond Laser in Flap Creation During LASIK Surgery for Myopia
LASIK is the most commonly performed refractive surgery worldwide. It has been shown to be safe and effective procedure with predictable results over long term follow ups.
- Trial name
- NCT05406973
- Testing
- SBK microkeratome versus femtosecond laser in flap creation
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Myopia, Progressive
Choroidal Response to Novel Spectacle Lens to Control Myopia Progression
Diurnal variations in the thickness of the choroid have been reported in the literature, and, more recently, the role of the choroid has been studied with respect to its role in myopia (near-sightedness) progression.
- Trial name
- CHERRY (NCT03818880)
- Testing
- Novel spectacle lens design
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Obesity, Myopia
Beijing (Peking)---Myopia and Obesity Comorbidity Intervention (BMOCI)
Based on the RE-AIM framework, this project intends to integrate the prevention and control measures of myopia and obesity, and establish a set of key suitable technical packages and guarantee systems for the…
- Trial name
- NCT05275959
- Testing
- A cluster randomized trial of a comprehensive intervention nesting family and clinic into school centered implementation to reduce myopia and obesity among children and adolescents in Beijing, China
- Where
- 3 sites in China
- Volunteers
- 3,963 people, healthy volunteers welcome
- Sponsor
- Peking University
Myopia, Visual Rehabilitation
Exploring Perceptual Learning in Blurred Gabor Discrimination for Low-Myopic Children
This exploratory study investigates whether perceptual learning using blurred Gabor stimuli can improve uncorrected distance visual acuity in children aged 6-10 years with low myopia.
- Conditions
- Myopia, Visual Rehabilitation, Perceptual Learning
- Trial name
- NCT07107646
- Testing
- vision training system, VTS
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- National Taiwan University Hospital
Myopia
Essilor® Stellest® Lenses Multicentre European Study (SLOMES)
The goal of this post-market clinical follow up Study is to demonstrate the efficacy, safety, acceptability, and quality of life implications of Essilor® Stellest® spectacle lenses in slowing myopia progression in European…
- Trial name
- SLOMES (NCT06263946)
- Testing
- Essilor® Stellest® spectacle lenses
- Where
- 3 sites in France, Ireland and 1 more
- Volunteers
- 150 people
- Sponsor
- Essilor International
Myopia
Assessment of Measurement Variability Across Automated Biometry Devices
This is a non-interventional prospective, comparative study of white-to-white, corneal thickness, and anterior chamber depth measurements as taken on the Orbscan II compared to the IOL Master 700 (Zeiss), IOL Master 500 (Zeiss)…
- Trial name
- NCT06045325
- Testing
- Orbscan II, IOL Master 700, IOL Master 500
- Where
- United States
- Volunteers
- 204 people, healthy volunteers welcome
- Sponsor
- Berkeley Eye Center
Myopia, Cataract
Influence of Posterior Vitreous Detachment on Retinal Detachment After Lens Surgery in Myopic Eyes
Phacoemulsification with implantation of posterior chamber lenses represents the gold standard of care for patients needing lens surgery, but there is an increased risk of developing pseudophakic retinal detachment after surgery.
- Conditions
- Myopia, Cataract, Pseudophakic Retinal Detachment, Refractive Lens Exchange
- Trial name
- MYOPRED (NCT03152747)
- Where
- Austria
- Volunteers
- 609 people
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA