Clinical trials: Refractive Error - Myopia
Myopia, Progressive
Myopia Progression With Freeform Myopia Control Spectacles
This is a prospective, randomized clinical trial. There will be a total of 180 participants randomized into three groups, Group 1 - 60 participants will wear the commercial peripheral plus myopia control lens (CML).
- Trial name
- NCT06927388
- Testing
- freeform myopia control spectacles, Commercial myopia control spectacle lens (CML)
- Where
- China
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Clinical Evaluation of the Long-Term Effects of Contact Lens Care Systems
The purpose of this study is to compare two marketed contact lens care solutions in regards to comfort and ocular health.
- Trial name
- NCT00813761
- Testing
- O2Optix contact lens, Proclear contact lens, ReNu MultiPlus Multi-Purpose Solution
- Where
- 26 sites in United States, United Kingdom
- Volunteers
- 473 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
LASIK Flap Thickness and Visual Outcomes Using the WaveLight FS200 Femtosecond Laser
The objective of this study is to evaluate the visual outcome, accuracy, predictability and complications of LASIK flap creation using the Alcon Wavelight FS200 Femtosecond laser and compare these results to those obtained using…
- Trial name
- FS200 (NCT02060461)
- Testing
- FS200 femtosecond laser LASIK, IntraLase femtosecond laser LASIK
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- The Cleveland Clinic
Adolescent, Adult
Prospective Clinical Study of Retinal Microvascular Alteration After ICL Implantation
To observe the retinal microvascular alteration during 3 months follow-up after Implantable Collamer Lens (ICL) operation in moderate and high myopia patients using quantitative optical coherence tomography angiography (OCTA)…
- Conditions
- Adolescent, Adult, Human, Male
- Trial name
- NCT04443231
- Testing
- Optical Coherence Tomography Angiography
- Where
- China
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Myopia
Codeine Plus Paracetamol Versus Placebo for PRK Post-operative Pain
Compare the use of codeine/paracetamol against placebo for pain control after cornea photorefractive keratectomy (PRK).
- Trial name
- NCT02625753
- Testing
- Codeine, paracetamol
- Where
- Brazil
- Volunteers
- 40 people
- Sponsor
- University of Sao Paulo General Hospital
Presbyopia, Pseudophakia
A Clinical Trial to Evaluate a Corneal Inlay for the Improvement of Near and Intermediate Vision in Pseudophakic Presbyopic Subjects
The objective of this study is to evaluate the safety and effectiveness of the Raindrop Near Vision Inlay implanted in bilateral pseudophakes with presbyopia for improvement of near and intermediate vision.
- Trial name
- NCT02668523
- Testing
- Raindrop Near Vision Inlay
- Where
- 13 sites in United States
- Volunteers
- 400 people
- Sponsor
- ReVision Optics, Inc.
Myopia
Evaluating the Efficacy of the Combination of Multi-zonal Contact Lens and Atropine for Controlling Myopia Progression
The aim of the study is to explore efficacy of combination Atropine and multifocal CL. Randomized Control Trial including 4 arms: Atropine / multizonal CL; Atropine/ SV CL, Placebo drop/ multizonal CL; Placebo drop/ SV CL.
- Trial name
- NCT06765603
- Testing
- Atropine 0.025%, Multizonal contact lens, Single vision Contact lens
- Volunteers
- 180 people
- Sponsor
- Singapore National Eye Centre
Myopia, Presbyopia
Comfort and Vision With TOTAL30 Multifocal Lenses
This study is a single-arm, prospective, observational study conducted at one site to evaluate the comfort and vision of the TOTAL30 Multifocal (T30MF) contact lenses over the course of long wear days.
- Conditions
- Myopia, Presbyopia, Astigmatism
- Trial name
- NCT07284966
- Testing
- TOTAL30 Multifocal
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Scripps Poway Eyecare and Optometry
Presbyopia
A Study to Evaluate the Raindrop Near Vision Inlay Under Flap or Within Pocket
The objective of this study is to evaluate the Raindrop® Near Vision Inlay for the improvement of near vision in presbyopes implanted under a corneal flap or within a small-incision pocket.
- Trial name
- NCT03376412
- Testing
- Raindrop Near Vision Inlay
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Whitten Laser Eye
Myopia
Safety and Efficacy of Implantable Collamer Lens Versus Implantable Phakic Lens IPCL in Myopic Patients; A Comparative Study
Phakic intraocular lenses (pIOL) have proven to be a great alternative to corneal refractive surgery in certain situations. They offer several advantages over corneal techniques, such as being suitable for high myopes and causing…
- Trial name
- NCT06058780
- Testing
- Implantable Collamer Lens (ICL), Implantable Intraocular Lens (IPCL)
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Al-Azhar University
Myopia
Evaluate the Efficacy and Safety of CTO0308 in Pediatric Patients With Myopia
This study was to evaluate the superiority of the myopia progression control effect in the treatment group compared with the control group, evaluated by the change in spherical equivalent (SE) after 12 months of administration of…
- Trial name
- NCT07790640
- Testing
- CTO0308
- Where
- South Korea
- Volunteers
- 351 people
- Sponsor
- Taejoon Pharmaceutical Co., Ltd.
Myopia
Performance of Somofilcon A Over One Week in Wearers Adapted to Omafilcon A
The objective of the study is to determine if habitual or adapted contact lens wearers of Omafilcon A can be confidently refit into Somofilcon A lenses and be successful after one week of daily wear.
- Trial name
- NCT03226353
- Testing
- somofilcon A, omafilcon A
- Where
- Canada
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Preservative-free Topical Anesthetics for Post-PRK Pain
The goal of this interventional comparative study is to assess the efficacy and safety of a novel regimen of preservative-free unit-dose topical anesthetics for controlling early postoperative pain following single-step…
- Trial name
- NCT05733741
- Testing
- Preservative-free Benoxinate hydrochloride 0.4% (Benoxidia unit-dose vials [UD], Orchidia pharmaceutical Ind., Egypt), Preservative-free Sodium hyaluronate 0.2% (Polyfresh unit-dose vials [UD], Orchidia pharmaceutical Ind., Egypt).
- Where
- Egypt
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Assiut University
Myopia, Light; Therapy, Complications
Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)
The goal of this clinical trial is to evaluate whether the optimization of daily exposure to light in primary school children can lead to better myopia prevention and control.
- Conditions
- Myopia, Light; Therapy, Complications, Myopia Progression, Short-Sighted
- Trial name
- LightSPAN (NCT06631339)
- Testing
- Light Intervention, Digital Intervention, Control Group
- Where
- 5 sites in Singapore
- Volunteers
- 396 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Myopia
Pilot Evaluation of a New Galyfilcon A Contact Lens Compared to a Marketed Galyfilcon A Contact Lens
The purpose of this study is to compare lens surface characteristics and comfort between an experimental contact lens and a marketed contact lens.
- Trial name
- NCT01094730
- Testing
- galyfilcon A prototype lens, marketed galyfilcon A lens
- Where
- 9 sites in United States
- Volunteers
- 185 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Evaluating NeuroVision's Neural Vision Correction (NVC) Myopia Treatment
The purpose of the present study is to carry out a trial to evaluate the clinical efficacy of the NeuroVision Low Myopia Treatment. The specific questions to be answered are: 1.
- Trial name
- NCT00469612
- Testing
- NeuroVision's NVC treatment for Low Myopia
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Ohio State University
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
Myopia
Combination Effect of Optical Defocus and Low Dose Atropine in Myopia Control
The purpose of the study is to investigate the combination effect of optical defocus and low dose atropine on myopia control in schoolchildren.
- Trial name
- NCT06358755
- Testing
- Defocus Incorporated Multiple Segments lenses, single vision spectacle lenses, Low dose atropine
- Where
- Hong Kong
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery
The purpose of this study is to measure tear lacritin and heparanase levels before and following surgery using a minimal risk procedure to collect tears from patients undergoing PRK or LASIK.
- Trial name
- NCT01049724
- Testing
- Tear collection
- Where
- United States
- Volunteers
- 196 people, healthy volunteers welcome
- Sponsor
- Fort Belvoir Community Hospital
Myopia
Evaluation of Daily Disposable Lenses With Multi-Purpose Solution (MPS)
The purpose of this study is to evaluate daily disposable lenses inserted out of the blister package versus daily disposable lenses inserted after a pre-soak in Multi-purpose solution FID 107027.
- Trial name
- NCT00733291
- Testing
- Nelfilcon A contact lens, Etafilcon A contact lens, FID 107027 solution
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- Alcon Research