Clinical trials: Refractive Error - Myopia
Myopia
Aberration-Free Refraction Correction
In the interest of improving visual quality after LASIK we have designed a multifaceted study to test the theoretical, physical, biomechanical and functional effects of commercial and independently designed aspherical ablation…
- Trial name
- NCT00172913
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Myopia
A 3-year Cross-sectional Assessment of the Tianjin Child and Adolescent Large-scale Eye Study
This is a school-based, cross-sectional study to assess the incidence and prevalence, risk factors of myopia among schoolchildren in both eye-use environment, eye-use habits, lifestyle, and family and subjective factors before…
- Trial name
- NCT05967702
- Where
- China
- Volunteers
- 126,810 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
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
Dispensing Evaluation of Printed Etafilcon A With Polyvinylpyrrolidone (PVP)
The purpose of this study is to evaluate the lens fit (mechanical and cosmetic lens fit) of the printed etafilcon A with polyvinylpyrrolidone (PVP).
- Trial name
- NCT01180777
- Testing
- etafilcon A (A), etafilcon A (B), etafilcon A (C)
- Where
- 6 sites in United States
- Volunteers
- 95 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Presbyopia
Investigation of the Presbia Flexivue Microlens™
The Presbia Flexivue Microlens is a corneal inlay.
- Trial name
- NCT02110472
- Testing
- Corneal inlay
- Where
- 11 sites in United States
- Volunteers
- 412 people, healthy volunteers welcome
- Sponsor
- PresbiBio, LLC
Presbyopia
A Study Raindrop Near Vision Inlay in Presbyopes Implanted in Corneal Pockets
The objective of this study is to evaluate the Raindrop® Near Vision Inlay for the improvement of near vision in presbyopes implanted in corneal pockets with a delayed or a non-delayed approach.
- Trial name
- NCT03326869
- Testing
- Raindrop Near Vision Inlay
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Eye Center of North Florida
Myopia, Orthokeratology
The Relationship of Relative Corneal Refractive Power Shift and Axial Length in Adolescents With Orthokeratology Lens
Orthokeratology lens is an effective method for myopia control. This study analyzed the relationship between the relative corneal refractive power shift and change of axial length in adolescents with orthokeratology lens.
- Trial name
- NCT05348369
- Where
- China
- Volunteers
- 364 people
- Sponsor
- Tianjin Eye Hospital
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.
Cataract, Myopia
Evaluation of Visual Acuity in Myopic Cataract Patients Using Trifocal Intraocular Lens
The PanOptix trifocal IOL is a new trifocal intraocular lens which is proved to provide good range of vision for distance, intermediate and near and good visual quality in cataract patients with normal axial length.
- Conditions
- Cataract, Myopia, Intraocular Lens
- Trial name
- NCT04927117
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Anisometropia, Hyperopia
Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia
Photorefractive keratectomy (PRK) with excimer laser has been used successfully to treat myopia, hyperopia, and astigmatism in adults for over 35 years.
- Conditions
- Anisometropia, Hyperopia, High Myopia, Amblyopia Isometropic
- Trial name
- NCT03610997
- Testing
- Photorefractive keratectomy
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Baylor College of Medicine
Myopia
Evaluation of a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of investigational contact lenses developed by Bausch + Lomb.
- Trial name
- NCT01309880
- Testing
- Test lens, Air Optix Aqua
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Delaying the Onset of Nearsightedness Until Treatment (DONUT) Clinical Trial
The aims of this clinical trial will test whether or not the onset of nearsightedness is delayed in a group of children randomized to nightly drops in 0.05% atropine in both eyes, in comparison to children who receiving nightly…
- Trial name
- DONUT (NCT07567040)
- Testing
- Atropine Sulfate 0.05% Oph Soln
- Where
- 13 sites in United States
- Volunteers
- 664 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Contact Lens Fit, Myopia
Clinical Performance of a Silicone Hydrogel Lens With Use of FID 114675A
The purpose of this study is to evaluate the clinical performance of a silicone hydrogel contact lens when used with an investigational multi-purpose disinfecting solution (MPDS).
- Trial name
- NCT01240135
- Testing
- FID 114675A multi-purpose disinfecting solution (MPDS), renu fresh Multi-Purpose Solution (MPS), Galyfilcon A contact lenses (Acuvue Advance)
- Volunteers
- 89 people
- Sponsor
- Alcon Research
Myopia, Choroidal Neovascularization
Efficacy and Safety of Intravitreal Bevacizumab in the Treatment of Choroidal Neovascular Membranes Associated to High Myopia
The purpose of this study is to determine the efficacy and safety of intravitreal injections of bevacizumab in High Myopia´s choroidal neovascularization versus the standard treatment of Photodynamic therapy.
- Trial name
- NCT00967850
- Testing
- Intravitreal Injection, Photodynamic Therapy (Visudyne)
- Where
- 7 sites in Spain
- Volunteers
- 56 people
- Sponsor
- Instituto Universitario de Oftalmobiología Aplicada (Institute of Applied Ophthalmobiology) - IOBA
Myopia
The Impact of Bright Classroom on Myopia
This trial aims to test the effectiveness and practicality of study in the Bright Classrooms with skylight and artificial light renovation in reducing incident myopia in Chinese primary school children over three years, as…
- Trial name
- IMPACT (NCT05156190)
- Testing
- bright classrooms with light level over 1000 lux
- Volunteers
- healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Age - Related Macular Degeneration (AMD), Diabetic Macular Edema
Wide Field OCTA in Ocular Diseases
The main retinal diseases, whether or not associated with specific mutations genetic, cause progressive degeneration of vascular retinal structures and not vascular, resulting in decreased visual function.
- Conditions
- Age - Related Macular Degeneration (AMD), Diabetic Macular Edema, Diabetic Retinopathy, Myopia
- Trial name
- WOOD-2025 (NCT07298174)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Myopia
Wearability of and Myopia Progression With ZEISS MyoCare Spectacle Lenses
This is a clinical trial evaluating the wearability and effectiveness of three types of ZEISS spectacle lenses in controlling myopia progression.
- Trial name
- NCT07021560
- Testing
- ZEISS MyoCare spectacle lenses, ZEISS SV RX SPH 1.5, ZEISS Clearview
- Where
- Vietnam
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- ZEISS Vision Care
Myopia
Soft Lens Study: Biomedics 1 Day Extra Sphere and Clariti 1 Day Sphere
The aim of this study is to evaluate and compare the performance of two soft contact lenses.
- Trial name
- NCT06817785
- Testing
- Lens 1 (ocufilcon D), Lens 2 (somofilcon A)
- Where
- Canada
- Volunteers
- 45 people
- Sponsor
- CooperVision, Inc.
Optical Coherence Tomography, Refractive Errors
To Study the Effects of Refractive Surgery on OCT Measurements in the Eye
Corrective eye surgeries, such as Lasik, are widely used to correct focusing problems such as myopia, or nearsightedness. Often these patients develop other conditions like myopic maculopathy or glaucoma which require monitoring…
- Conditions
- Optical Coherence Tomography, Refractive Errors, Myopia
- Trial name
- NCT05856786
- Testing
- Optical coherence tomography
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- University of Nebraska
Dry Eye Syndrome, Myopia
Clinical Evaluation of a Daily Disposable Contact Lens in Symptomatic Weekly/Monthly Lens Wearers
The purpose of this study was to evaluate the reduction of contact lens-related dryness symptoms when symptomatic weekly/monthly contact lens wearers were switched to DAILIES® AquaComfort Plus® lenses for a two-week period using…
- Trial name
- NCT01614600
- Testing
- Nelfilcon A contact lenses
- Volunteers
- 88 people
- Sponsor
- Alcon Research
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