Clinical trials: Refractive Error Correction
- Condition Refractive Error Correction
- Funder type Industry (pharma, biotech, devices)
- Accepts healthy volunteers yes
Hyperopia
Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
The purpose of this U.S. Clinical Trial on treatment of sighted eyes is to investigate the safety and effectiveness of optimal keratoplasty (Opti-K™) treatments for hyperopia correction using the NTK Enterprises (NTK) Opti-K…
- Trial name
- NCT01028937
- Testing
- Optimal Keratoplasty
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- NTK Enterprises, 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
Hyperopia
Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors
Demonstrate that wavefront-guided LASIK using measurements from the iDesign System is safe and effective for the treatment of Hyperopia.
- Trial name
- NCT01675479
- Testing
- LASIK correction of hyperopic refractive errors
- Where
- 9 sites in United States
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Myopia
Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Moderate to High Myopia
The purpose of this study is to determine whether the MEL 80 Excimer Laser is effective in the treatment of moderate to high myopia (nearsightedness), when used as part of the Laser In Situ Keratomileusis (LASIK) procedure.
- Trial name
- NCT00762541
- Testing
- MEL 80 Treatment of High Myopia
- Where
- 5 sites in United States
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
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.
Presbyopia, Refractive Error
Visual Performance of Prototype Contact Lens Designs
The aim of this study is to assess the visual performance of prototype soft contact lens designs compared to a commercially available contact lens
- Trial name
- NCT02193555
- Testing
- Etafilcon A, Senofilcon A
- Where
- Australia
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Mixed Astigmatism
Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Mixed Astigmatism
The purpose of this study is to determine whether the MEL 80 Excimer Laser is effective in the treatment of mixed astigmatism up to 6.0 D, when used as part of the Laser In Situ Keratomileusis (LASIK) procedure.
- Trial name
- NCT00761826
- Testing
- MEL 80 Mixed Astigmatism Treatment
- Where
- 5 sites in United States
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Hypermetropia
Use of the VisuMax Femtosecond Laser Lenticule Removal Procedure for the Correction of Hyperopia
The correction of farsightedness using ReLEx SMILE for hyperopia is focus of this investigation. The objective is to evaluate the safety and effectiveness.
- Trial name
- V1601CI (NCT03431571)
- Testing
- ReLEx SMILE
- Where
- 8 sites in China, Czechia and 4 more
- Volunteers
- 374 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Refractive Assessment, Refractive Disorders
Algorithm-assisted Subjective Refraction Program Dedicated to Children
Current refraction assessment in children is dependent on the Eye Care Specialist and lacks standardization. Essilor has developed new algorithm assisted subjective refraction software dedicated to children of 6-12 years old and…
- Conditions
- Refractive Assessment, Refractive Disorders, Hyperopia and Myopia, Astigmatism
- Trial name
- NCT07046065
- Testing
- Non-cycloplegic Objective refraction, Non-cycloplegic conventional subjective refraction, Non-cycloplegic subjective refraction (Kids refraction software vA with Vision-R™)
- Where
- Portugal
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Essilor International
Presbyopia
Safety and Efficacy of an Intrastromal Transform Corneal Allograft (TCA) for Presbyopia Correction - Long Term Follow-up
The objective of this clinical study is to evaluate the long term safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for providing near vision in presbyopic subjects.
- Trial name
- NCT06310252
- Testing
- Opthalmic assessments
- Where
- 7 sites in Czechia, Ireland and 2 more
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Allotex, Inc.
Presbyopia
Evaluation of Safety and Efficacy of Intrastromal Implantation of CorVision® Bioengineered Corneal Inlay for Correction of Presbyopia.
This clinical investigation is a prospective, multicentre, non-comparative case series to assess safety and efficacy of CorVision® bioengineered corneal inlay for improving uncorrected near vision in presbyopic subjects.
- Trial name
- CorVision (NCT04465409)
- Testing
- Intrastromal implantation of CorVision bioengineered corneal inlay for correction of presbyopia.
- Where
- Czechia
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- LinkoCare Life Sciences AB
Refractive Error Correction
Clinical Outcomes of the Use of a Femtosecond Laser on an Implanted Intraocular Lens
This is a prospective non-randomized patient controlled single center study which is designed to evaluate the clinical outcomes of the treatment of an implanted intraocular lens using a low-energy femtosecond laser for refractive…
- Trial name
- NCT07473557
- Testing
- Device
- Where
- Panama
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Astigmatism
Evaluation Study on Corneal Lens for Vision Correction
The objective of this study is to evaluate the fitting and visual outcomes of Nexis Lens, made of silicone commonly used in the contact lens industry, on healthy eye with or without astigmatism.
- Trial name
- NCT02053688
- Testing
- Astigmatic Correction Lens (Nexis ACCL lenses), Toric Soft Contact Lenses
- Where
- 6 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- FORSIGHT Vision3
Hyperopia
Safety and Effectiveness Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Hyperopia
The purpose of this study is to determine whether the MEL 80 Excimer Laser is effective in the treatment of hyperopia, when used as part of the Laser In Situ Keratomileusis (LASIK) procedure.
- Trial name
- NCT00762281
- Testing
- MEL 80 Hyperopic LASIK Treatment
- Where
- 6 sites in United States
- Volunteers
- 189 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Presbyopia, Refractive Errors
Safety and Efficacy of a Sub-epitheilal Transform™ Corneal Allograft (TCA) for Presbyopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of subepithelial implantation of the Allotex TransForm corneal allograft (TCA) for improving near vision in presbyopic subjects.
- Trial name
- NCT03675438
- Testing
- Sub-epitheilal TCA Inlay
- Where
- 11 sites in Austria, Belgium and 4 more
- Volunteers
- healthy volunteers welcome
- Sponsor
- Allotex, Inc.
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
Refractive Errors, Astigmatism
Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses
This is a multicenter study to evaluate the clinical performance of the SynergEyes A2 lens in patients with refractive errors with or without astigmatism.
- Trial name
- NCT01058629
- Testing
- SynergEyes A2 Hybrid Contact Lens
- Where
- 10 sites in United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- SynergEyes, Inc.
Refractive Error Correction
Clinical Evaluation of Etafilcon A Contact Lenses Using a Novel Molding Process
This study is a multi-site, group sequential, adaptive, randomized, double-masked, 2×2 crossover design, 1-week dispensing study.
- Trial name
- NCT03605303
- Testing
- Test/Control, Control/Test
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Hyperopia
Safety and Efficacy of the Transform™ Corneal Allograft for Hyperopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of intrastromal implantation of the Allotex TCA for improving distance vision in hyperopic subjects.
- Trial name
- NCT03671096
- Testing
- Intrastromal TCA Inlay
- Where
- 11 sites in Austria, Belgium and 4 more
- Volunteers
- healthy volunteers welcome
- Sponsor
- Allotex, Inc.
Astigmatism
Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
To demonstrate that wavefront-guided LASIK with measurements from iDesign is safe and effective in the treatment of mixed astigmatism.
- Trial name
- NCT01675492
- Testing
- LASIK
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics