Clinical trials: Error, Refractive
Presbyopia
Multifocal Contact Lenses Fitting Methods Comparison
The purpose of this study was to compare the clinical performance of two fitting approaches for multifocal contact lenses.
- Trial name
- NCT05734846
- Testing
- Control Lenses (control fitting approach), Test Lenses (test fitting approach)
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- CooperVision, Inc.
Presbyopia
VisDura VisAbility™ Micro Insert System Pre-market Clinical Trial
The primary study objective is to evaluate the safety and effectiveness of the VisAbility™ Micro Insert System for improvement in binocular distance corrected near visual acuity in presbyopic patients.
- Trial name
- NCT07637500
- Testing
- VisAbility™ Micro Insert System
- Where
- 2 sites in Germany
- Volunteers
- 33 people
- Sponsor
- VisDura, Inc.
Myopia
Safety and Effectiveness of Wavefront-Guided LASIK Corrections of Myopic Refractive Errors
The purpose of this clinical trial is to demonstrate that wavefront-guided LASIK is safe and effective for the correction of myopic refractive errors.
- Trial name
- NCT01663363
- Testing
- LASIK correction of myopic refractive errors
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
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
Myopia, Astigmatism
Daily Disposable Toric Comparative Trial in Europe
The purpose of this study is to investigate the subjective and objective performance of two daily disposable lenses for wearers with astigmatism.
- Trial name
- NCT01070381
- Testing
- nelfilcon A contact lens, ocufilcon D contact lens
- Volunteers
- 220 people
- Sponsor
- CIBA VISION
Myopia, Hyperopia
APIOC Sphere and APIOC Astigmatism
Vision and comfort, both objective and subjective, will be assessed for single vision contact lens wearers for either the APIOC™ Sphere or the APIOC™ Astigmatism contact lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04806802
- Testing
- APIOC Sphere and APIOC Astigmatism
- Where
- 6 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Myopia
WaveLight® EX500 Excimer Laser System for the Correction of Myopia Using InnovEyes™ in Conjunction With InnovEyes™ Sightmap
The purpose of this study is to evaluate the safety and effectiveness of the WaveLight EX500 excimer laser system for the correction of myopia with and without astigmatism using InnovEyes in conjunction with InnovEyes sightmap.
- Trial name
- NCT04219891
- Testing
- WaveLight EX500 excimer laser system with InnovEyes sightmap, LASIK, InnovEyes sightmap
- Where
- 9 sites in United States
- Volunteers
- 272 people
- Sponsor
- Alcon Research
Presbyopia
DAILIES® AquaComfort Plus® Multifocal (MF) - Comparative Assessment of Visual Performance
The purpose of this study is to evaluate the visual performance of DACP MF and PROCLEAR 1D MF daily disposable contact lenses in an established presbyopic population.
- Trial name
- NCT02403180
- Testing
- DACP MF, PROCLEAR 1D MF
- Volunteers
- 70 people
- Sponsor
- Alcon Research
Astigmatism
Clinical Performance of Biofinity Toric Versus Air Optix for Astigmatism
The aim of this study is to compare the clinical performance of the Biofinity Toric (comfilcon A) contact lens, versus Air Optix for Astigmatism (lotrafilcon B) over 1 month of daily wear.
- Trial name
- NCT01965288
- Testing
- comfilcon A, lotrafilcon B
- Where
- Spain
- Volunteers
- 60 people
- Sponsor
- CooperVision, Inc.
Cataract, Lens Opacities
Visual Performance, Patient Satisfaction and PCO Rate After Implantation of a Trifocal Hydrophobic IOL
Prospective, controlled, single-surgeon, single-center post-market clinical follow up study to investigate the clinical outcomes of a hydrophobic trifocal IOL (PhysIOL POD F GF)
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1703 (NCT03306342)
- Testing
- IOL implantation experimental
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Myopia
Comparison of Lens Fit and Lens Power of a New Contact Lens to Two Marketed Contact Lenses in a Population of Soft Contact Lens Wearers
The purpose of this study is to evaluate the comparability of lens fit and lens power of a new contact lens to the lens fit and lens power of two marketed lenses.
- Trial name
- NCT01244529
- Testing
- galy A Plus, seno A, galy A
- Where
- 2 sites in United Kingdom
- Volunteers
- 41 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error
Clinical Investigation on Assessing the Repeatability and Reproducibility of Central and Peripheral Refractive Error
This is a unilateral, non-interventional study. Each subject will be unilaterally measured with the WAM-5500 autorefractor by 3 testers. All measurements will be made on the right eye only.
- Trial name
- NCT06209476
- Testing
- Experimental
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error
Evaluation of a Surgical Microscope Mounted Autorefractor When Used on Patients Lying in a Supine Position
The purpose of this study is to evaluate the accuracy and repeatability of an individually validated prototype autorefractor designed to be mounted on a surgical microscope.
- Trial name
- NCT01827748
- Testing
- Intraoperative Autorefractor IAR-1, Hartmann-Shack Auto Refractor
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Adventus Technology
Refractive Error
Fitting Children With Contact Lenses
The purpose of this three-month study is to compare the quality of life and ease of fit among children wearing investigational single-vision contact lenses, commercially marketed single-vision contact lenses, and commercially…
- Trial name
- COPPER (NCT01233089)
- Testing
- Lotrafilcon B contact lens, investigational, Lotrafilcon B contact lens, commercial (AIR OPTIX AQUA), Lotrafilcon B multifocal contact lens, commercial (AIR OPTIX AQUA MULTIFOCAL)
- Where
- Canada
- Volunteers
- 194 people
- Sponsor
- CIBA VISION
Myopia, Astigmatism
Comparison of Topography Guided LASIK With WaveLight® EX500 to SMILE With Zeiss VisuMax
The purpose of this study is to compare Topography Guided Laser In Situ Keratomileusis (LASIK) corneal surgery to Small Incision Lenticule Extraction (SMILE) corneal surgery for the treatment of myopia with astigmatism.
- Trial name
- NCT02987660
- Testing
- Topography Guided LASIK, Small Incision Lenticular Extraction, WaveLight EX500 Excimer Laser System
- Where
- France
- Volunteers
- 21 people
- Sponsor
- Alcon, a Novartis Company
Refractive Error
Clinical Evaluation of Two Daily Disposable Contact Lenses
This study seeks to evaluate the clinical performance of two daily disposable contact lenses.
- Trial name
- NCT01163760
- Testing
- etafilcon A, ocufilcon D
- Where
- Singapore
- Volunteers
- 50 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Astigmatism
Evaluation of Two Toric Soft Contact Lenses After Two Weeks of Wear
The purpose of this study is to determine the relative performance of a new toric soft contact lens against a toric contact lens currently available in market, specifically with regards to the comfort and vision after two weeks…
- Trial name
- NCT00584220
- Testing
- senofilcon A toric, alphafilcon A toric
- Volunteers
- 96 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Hyperopia
5 Year Follow up of SMILE® Procedure for the Correction of Hyperopia
The planned study will investigate and evaluate refractive stability, predictability, and safety in patients who underwent SMILE® pro surgery for hyperopia with or without astigmatism at least five years ago.
- Trial name
- PHOBOS-5FU (NCT07133737)
- Where
- 2 sites in Czechia, Germany
- Volunteers
- 100 people
- Sponsor
- Gemini Eye Clinic
Aphakia, Corneal Astigmatism
Clareon Toric Study (T2-T9)
The purpose of this post-market study is to describe the long-term safety and performance of Clareon Toric Intraocular Lenses (IOLs).
- Trial name
- NCT06285695
- Testing
- Clareon Toric IOL, Cataract surgery
- Where
- 6 sites in Canada
- Volunteers
- 129 people
- Sponsor
- Alcon Research
Myopia
Ophthalmic Compatibility During Seven Days of Continuous Wear of Silicone Hydrogel Lenses
The purpose of this study is to assess the ophthalmic compatibility of three different silicone hydrogel lenses worn on an overnight basis for six nights.
- Trial name
- QUINCE (NCT00934102)
- Testing
- Narafilcon A contact lens, Lotrafilcon A contact lens, Galyfilcon A contact lens
- Where
- Canada
- Volunteers
- 57 people
- Sponsor
- CIBA VISION