Clinical trials: Refractive Error
Myopia
Visual Performance of Center Distance Daily Disposable Multifocal Lenses
The purpose of this study is to compare visual performance (high and low contrast acuity, reading acuity, contrast sensitivity, stereoacuity, accommodative response, eye hand coordination, far near vision, and dynamic vision)…
- Trial name
- ViPCD3 (NCT06475053)
- Testing
- NaturalVue Enhanced Multifocal 1 Day contact lens, MiSight 1 Day contact lens
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Visioneering Technologies, Inc
Presbyopia
A Feasibility Study to Assess the Visual Performance and Comfort of Hanita G4 Multifocal Soft Contact Lenses for Presbyopia at Normal Daily Routine Use
The G4 Multi multifocal contact lens is a soft contact lens intended to correct far, intermediate, and near vision for individuals with presbyopia. The lens covers the cornea and part of the sclera.
- Trial name
- NCT04841941
- Testing
- G4 Multifocal soft contact lens with a 54% water content for presbyopia
- Where
- 2 sites in Israel
- Volunteers
- 25 people
- Sponsor
- Hanita Lenses
Myopia
Clinical Trial Protocol for Safety and Efficacy of Soft Contact Lens
This project is a multi-center, randomized, parallel-controlled, non-inferior clinical trial of soft contact lenses.
- Trial name
- NCT04299243
- Testing
- Contact Lenses
- Where
- China
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Menicon Co., Ltd.
Aphakia, Presbyopia
Real-World Study of Vivity Intraocular Lenses (IOLs)
The primary objective of this clinical study is to assess the clinical performance of the AcrySof IQ Vivity Extended Vision IOL in a Chinese population.
- Trial name
- NCT04800016
- Testing
- AcrySof IQ Vivity Extended Vision IOL, Cataract surgery
- Where
- China
- Sponsor
- Alcon Research
Ametropia, Myopia
Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)
The purpose of this Post-Market Clinical Follow-Up (PMCF) study is to continuously assess the visual performance and safety of TOTAL30 Sphere and TOTAL30 for Astigmatism contact lenses in a real-world setting across a broad…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT06408649
- Testing
- Lehfilcon A spherical contact lenses, Lehfilcon A toric contact lenses
- Where
- United States
- Volunteers
- 129 people
- Sponsor
- Alcon Research
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.
Myopia, Astigmatism
Multicenter Dispensing Study of Biofinity Toric Made-To-Order Lenses in Extended Power Ranges
The study hypothesis is that the Biofinity Toric XR lenses will perform as well as or better than the participants' habitual contact lenses.
- Trial name
- NCT02193178
- Testing
- comfilcon A Toric
- Where
- 2 sites in United States
- Volunteers
- 15 people
- Sponsor
- CooperVision, Inc.
Myopia
Comparative Performance of PureVision Lens Designs
The objective of this study is to evaluate the performance of the PureVision Lens designs when worn on a 30-day continuous wear basis
- Trial name
- NCT00661687
- Testing
- Currently Marketed PureVision Contact Lens., Alternate Design of the PureVision Contact Lens.
- Where
- 2 sites in Malaysia, Philippines
- Volunteers
- 206 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract, Lens Opacities
Comparison of Clinical Outcomes on Trifocal IOLs FineVision POD F GF and FineVision POD F in Asian Eyes
Prospective, randomised, controlled, single-surgeon, single-center clinical study to compare the clinical outcomes of two trifocal IOLs with different material (hydrophobic and hydrophilic) from the same manufacturer.
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1706 (NCT03306355)
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Philippines
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Astigmatism
Hydrophobic Acrylic Toric IOL Designed to Reduce the Effects of Preoperative Corneal Astigmatism
The investigational enVista IOL, Model MX60Tis equipped with toric optics and axis marks on the posterior surface to minimize the possibility of surgically induced astigmatism.
- Trial name
- NCT01852084
- Testing
- enVista® One-Piece Hydrophobic Acrylic Toric IOL, enVista control lens
- Where
- United States
- Volunteers
- 191 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Clinical Evaluation of Etafilcon A Contact Lenses Using a Novel Molding Process 2
This study is a multi-site, group sequential, adaptive, randomized, double-masked, 2×2 crossover design, 1-week dispensing study.
- Trial name
- NCT03701516
- Testing
- etafilcon A with novel molding process, etafilcon A with current molding process
- Where
- 12 sites in United States
- Volunteers
- 268 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, 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
Myopia
Assessment of the Efficacy and Safety of a DYnaMic Peripheral DegradatiON Myopia Disorder Control in Myopic Children ״DYMOND Study״
The DYMOND study evaluates the safety and effectiveness of TrackSight™, a digital medical application designed to slow myopia (nearsightedness) progression in children during everyday screen use.
- Trial name
- DYMOND (NCT07390500)
- Testing
- TrackSight
- Where
- Israel
- Volunteers
- 150 people
- Sponsor
- NovaSight
Myopia
Evaluation of Deposits on Contact Lenses Worn Extended Wear
The purpose of this study was to measure lipid deposits on commercially marketed contact lenses when worn on an extended wear (overnight) basis for 7 days.
- Trial name
- NCT00725530
- Testing
- balafilcon A contact lens (PureVision), etafilcon A contact lens (Acuvue2)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Alcon Research
Myopia
A Multi-Center Study Comparing the Clinical Performance of Two Silicone Hydrogel Lenses Over 1 Month of Daily Wear
A Multi-Center Study Comparing the Clinical Performance of Two Silicone Hydrogel Lenses Over 1 Month of Daily Wear
- Trial name
- NCT01952665
- Testing
- comfilcon A, lotrafilcon B
- Where
- 6 sites in United States
- Volunteers
- 63 people
- Sponsor
- CooperVision, Inc.
Myopia
One Month Dispensing Study Comparing the Clinical Performance of the Comfilcon A Sphere Lenses Compared to Comfilcon A Asphere Lenses.
This is a prospective, multi-center, subject-masked, bilateral wear, one month dispensing study comparing the clinical performance of the subjects' habitual comfilcon A sphere lens (control) following a refit with comfilcon A…
- Trial name
- NCT02759471
- Testing
- comfilcon A sphere lens (control), comfilcon A asphere lens (test)
- Where
- 4 sites in United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- CooperVision, 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.
Presbyopia
Contact Lens Trial Fitting Experience
This study will assess a trial fitting experience with contact lenses.
- Trial name
- NCT07600645
- Testing
- Lens A ( stenfilcon A )
- Where
- 2 sites in United States
- Volunteers
- 25 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Clinical Evaluation of the Safety and Efficacy of Yung Sheng 38% Color Contact Lens
This was a single group, open-label clinical study to assess the safety and efficacy of Yung Sheng 38% color contact lens for vision correction.
- Trial name
- NCT06128473
- Testing
- Soft Contact Lens
- Volunteers
- 71 people
- Sponsor
- Yung Sheng Optical Co., Ltd.
Refractive Error
Performance and Acceptability of iDesign
The results of this trial will demonstrate that the iDesign System performs as intended and is acceptable in a clinical setting.
- Trial name
- NCT01220466
- Testing
- STAR S4IR LASIK with iDesign Aberrometer
- Where
- 4 sites in Canada
- Volunteers
- 77 people
- Sponsor
- Abbott Medical Optics