Clinical trials: Myopia; Astigmatism
Ametropia, Astigmatism
Comparison of Clinical Performance of Two Monthly Replacement Toric Soft Contact Lenses
The purpose of this study is to assess the clinical performance of TOTAL30 for Astigmatism (T30fA) soft contact lenses with Biofinity Toric soft contact lenses.
- Trial name
- NCT06165627
- Testing
- Lehfilcon A toric contact lenses, Comfilcon A toric contact lenses, CLEAR CARE
- Where
- 5 sites in United States
- Volunteers
- 67 people
- Sponsor
- Alcon Research
Ametropia, Myopia; Refractive Error
The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.
The goal of this clinical trial is to evaluate the performance of a photorefraction screener in terms of sensibility, sensitivity and accuracy on children aged 3 to 8 y.o.
- Conditions
- Ametropia, Myopia; Refractive Error, Myopia; Astigmatism
- Trial name
- NCT06882408
- Testing
- Photorefraction device under investigation, Comparator device, Tabletop auto-refractometer, Comparator device, portable photorefraction device
- Where
- 2 sites in France
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- Essilor International
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
Myopia, Moderate, Myopic Astigmatism
A Prospective, Randomized Clinical Study of Two Phakic Toric Implantable Lenses
Primary Objective: To compare the efficacy and the residual refractive error of EYECRYLTM Phakic toric versus Visian® Toric ICL in moderate to high myopic patient with co-existing astigmatism.
- Conditions
- Myopia, Moderate, Myopic Astigmatism, Myopia, Degenerative
- Trial name
- NCT06839898
- Testing
- EYECRYLTM Phakic Toric Intraocular Lens Treatment Arm, Visian® Toric ICL Treatment Arm
- Where
- 4 sites in Germany, India
- Volunteers
- 172 people
- Sponsor
- Biotech Healthcare Holding Gmbh
Myopia, Astigmatism
A Prospective Clinical Study to Evaluate the Repeatability of the Visibly Vision Test
The study is a prospective, multi-center, single-arm, non-randomized, non-blinded, observational study to evaluate the test-retest reliability of the Visibly Vision Test.
- Trial name
- NCT06812572
- Testing
- Visibly Vision Test
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Visibly
Stable Myopic Refractive Error, With or Without Astigmatism
Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™
Prospective, multicenter, bilaterally-treated, open-label, non-randomized clinical trial.
- Trial name
- NCT02675751
- Testing
- STAR S4 IR laser with iDesign
- Volunteers
- 167 people
- Sponsor
- Abbott Medical Optics
Myopia, Hyperopia
Complete Easy Rub Comparative Efficacy Study
The aim of this trial is to assess Complete Easy Rub compared to a competitor multi-purpose solution in terms of lens cleanliness, subjective response and ocular response, when lenses are worn bilaterally on a daily wear basis…
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT01019564
- Testing
- Complete Easy Rub Formula MPS, Aquify MPS
- Volunteers
- healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Myopia
Acuity 200™ (Fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear
The objective of this clinical investigation is to collect scientifically valid safety and effectiveness data on the Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear.
- Trial name
- Acuity200OK (NCT06009458)
- Testing
- Acuity 200™ (fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear
- Where
- 13 sites in United States, Australia and 1 more
- Volunteers
- 387 people
- Sponsor
- Acuity Polymers, Inc.
Ametropia, Myopia
Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Toric Contact Lenses
The primary objective of this study is to evaluate the axis orientation of LID226397 toric contact lenses.
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT05959200
- Testing
- Serafilcon A toric contact lenses, Senofilcon A toric contact lenses, CLEAR CARE
- Where
- 7 sites in United States
- Volunteers
- 92 people
- Sponsor
- Alcon Research
Myopia, Myopic Astigmatism
A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic Astigmatism
The primary objective of this study is to collect safety and effectiveness data for the Technolas Teneo 317 Model 2 excimer laser for LASIK correction in participants with myopia and myopic astigmatism.
- Trial name
- NCT04111757
- Testing
- Technolas® TENEO 317 Model 2
- Where
- 10 sites in United States
- Volunteers
- 168 people
- Sponsor
- Bausch & Lomb Incorporated
Astigmatism, Ametropia
Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses
The primary purpose of this study is to demonstrate noninferiority in the visual acuity at distance when wearing PRECISION1™ for Astigmatism (P1fA) soft contact lenses compared to another commercially available, soft toric…
- Conditions
- Astigmatism, Ametropia, Myopia
- Trial name
- NCT05483127
- Testing
- Verofilcon A toric soft contact lenses, Stenfilcon A toric soft contact lenses
- Where
- 11 sites in United States
- Volunteers
- 153 people
- Sponsor
- Alcon Research
Myopia, Astigmatism
PMCF Study on SMILE Treatment of Myopia With and Without Astigmatism
The primary objective of this PMCF investigation is to systematically collect safety and effectiveness data with the VISUMAX 800 laser in clinical daily routine SMILE use for the purpose of post market surveillance.
- Trial name
- NCT04884672
- Testing
- SMILE
- Where
- 5 sites in Denmark, Germany and 2 more
- Volunteers
- 237 people
- Sponsor
- Carl Zeiss Meditec AG
Astigmatism, Myopia
Performance of Toric Silicone Hydrogel Contact Lenses
The purpose of this study was to evaluate the clinical performance and subjective lens handling (insertion and removal) of two toric silicone hydrogel contact lenses after one month of daily wear each.
- Trial name
- NCT05097144
- Testing
- Lens A (fanfilcon A), Lens B (asmofilcon A)
- Where
- Mexico
- Volunteers
- 36 people
- Sponsor
- CooperVision, Inc.
Myopia, Myopia, Moderate
Software Refraction With Mobilerone Versus Retinoscopy
Software refraction in the mobilerone for myopia and astigmatism is a novel medical device for myopia adults and elder children with or without astigmatism.
- Conditions
- Myopia, Myopia, Moderate, Astigmatism
- Trial name
- SRMR (NCT06059521)
- Testing
- Software refraction with Eye Test Technology in a mobilerone, Retinoscopy
- Where
- 3 sites in China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Refractive Errors, Astigmatism
EyeQue VisionCheck 510(k) Clinical Trial
Demonstrate that refraction measurements from the device agree with refraction measurements from a phoropter within clinically meaningful limits.
- Trial name
- NCT06044688
- Testing
- EyeQue VisionCheck, Phoropter
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
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.
Myopia, Astigmatism
Use of a Disk of Amniotic Membrane (Visio-AMTRIX) in Postoperative Care After PKR
The purpose of this open controlled multicenter trial is to assess the impact of use of an amniotic membrane on post PKR recovery.
- Conditions
- Myopia, Astigmatism, Hypermetropia
- Trial name
- NCT05247658
- Testing
- Therapeutic lens alone, Therapeutic lens + amniotic membrane (Visio-AMTRIX)
- Where
- 3 sites in France
- Volunteers
- 9 people
- Sponsor
- TBF Genie Tissulaire
Myopia, Astigmatism
CLEAR Procedure in Myopia and Astigmatism - Registry Study
Multicenter, prospective, single-arm, observational, non-interventional post market clinical investigation (registry study) with the overall objective to assess safety and performance of CLEAR in a real world setting.
- Trial name
- NCT05484531
- Testing
- CLEAR
- Volunteers
- 150 people
- Sponsor
- Ziemer Ophthalmic Systems AG
Refractive Errors, Astigmatism
Study of a Hand-held Device Plus Mobile App Versus Standard Eye Care Devices in Measuring Refractive Error of the Eye
Single-center, open-label, prospective study in healthy volunteers desiring refraction for correction of visual acuity to compare a handheld device supported by a mobile application with the phoropter and autorefractor.
- Trial name
- NCT03929588
- Testing
- Hand-held device supported by a mobile application, Phoropter, Autorefractor
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Ametropia, Myopia
Apioc Contact Lens Feasibility
This clinical trial will document the feasibility of the Apioc lens design by assessing which lens shape parameters yield successful on-eye-fit and movement of the Apioc contact lens design and evaluate the subjectively-reported…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT03688672
- Testing
- Apioc Contact Lens Design
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC