Clinical trials: Eye--Refractive Errors
Myopia
Clinical Investigation of a Novel Spectacle Lens on Slowing Down Juvenile Myopia Progression
The goal of this exploratory clinical trial is to evaluate the efficacy and safety of a test spectacle lens (standard single vision lens (SVL) during first year, and standard myopia control lens (MCL) in second year), designed…
- Trial name
- NCT06850168
- Testing
- SVL, SVL with passive red-light emission, MCL
- Where
- Singapore
- Volunteers
- 35 people
- Sponsor
- Essilor International
Myopia
A Contralateral Dispensing Clinical Trial of Study Test Sapphire Lens Against Enfilcon A Silicone Hydrogel Lens
This was be a randomized, contralateral, double-masked, dispensing study comparing the Study test lens against the control lens over one month of lens wear. The study results were not used for design validation of test lens.
- Trial name
- NCT02518490
- Testing
- Sapphire Lens, enfilcon A
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- CooperVision, Inc.
Astigmatism
Clinical Evaluation of Proclear Toric and Biofinity Toric
The aim of this study is to compare the short-term clinical performance of two Toric contact lenses.
- Trial name
- NCT06431061
- Testing
- Lens A (omafilcon B), Lens B (comfilcon A)
- Where
- Canada
- Volunteers
- 37 people
- Sponsor
- CooperVision, Inc.
Presbyopia
CorVision® 4-year Follow-up
The objective of the study is to assess the long-term safety and effectiveness of the CorVision® microlens implanted in presbyopic patients for the management of management of presbyopia and near vision impairment.
- Trial name
- CorVision4yFU (NCT07623720)
- Where
- Czechia
- Volunteers
- 95 people
- Sponsor
- Gemini Eye Clinic
Astigmatism
Prospective Evaluation of the Effectiveness of the Femtosecond Laser-assisted Refractive Astigmatic Keratotomy.
This clinical phase IV study is an open, prospective phase IV study and acts to evaluate the effectiveness of the femtolaser-assisted astigmatic keratotomy.
- Trial name
- NCT01885780
- Testing
- Laser-assisted Astigmatic keratotomy
- Where
- Czechia
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Technolas Perfect Vision GmbH
Myopia, Ametropia
Clinical Evaluation of the Safety and Efficacy of a New Multifocal Contact Lens
The purpose of this study was to demonstrate substantial equivalence of the new DAILIES® AquaComfort Plus® Multifocal (DACP MF) contact lens to the commercially available Focus® DAILIES® Progressives (FDP) contact lens.
- Conditions
- Myopia, Ametropia, Presbyopia, Refractive Error
- Trial name
- NCT01797783
- Testing
- Nelfilcon A multifocal contact lens with comfort additive, Nelfilcon A multifocal contact lens
- Volunteers
- 83 people
- Sponsor
- Alcon Research
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
Myopia
Overall Performance of a 1-day Silicone Hydrogel Lens When Habitual Soft Lens Wearers Are Refit
The objective of the study is to compare the overall subjective comfort profile over 8 hours of lens wear in two groups of habitual soft contact lens wearers (daily disposable hydrogel lenses and frequent replacement lenses) when…
- Trial name
- NCT02588573
- Testing
- etafilcon A (control), somofilcon A (test)
- Where
- 2 sites in Canada
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Clinical Evaluation of Two Daily Disposable Silicone Hydrogel Contact Lenses
The purpose of this study was to compare the subjective performance of DAILIES TOTAL1® daily disposable contact lenses to that of 1-DAY ACUVUE® TruEye® daily disposable contact lenses.
- Trial name
- NCT01634659
- Testing
- Delefilcon A contact lenses (DAILIES TOTAL1®), Narafilcon B contact lenses (1-DAY ACUVUE® TruEye®)
- Volunteers
- 330 people
- Sponsor
- Alcon Research
Presbyopia
Safety and Effectiveness of the AcuFocus Corneal Inlay ACI7000PDT in Presbyopes
The purpose of this study is to determine if the AcuFocus Corneal Inlay ACI 7000PDT will provide an effective method of for the correction of presbyopia in patients who have normal distance vision but need correction such as…
- Trial name
- NCT01352442
- Testing
- AcuFocus Corneal Inlay ACI 7000PDT
- Where
- 11 sites in Australia, Austria and 8 more
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Myopia
A One-Week Crossover Dispensing Evaluation of New Daily Wear Soft Contact Lenses
The purpose of this study is to validate the clinical performance of a new contact lens design when worn over a period 1 week compared to nelfilcon A (control).
- Trial name
- NCT03306641
- Testing
- Test Contact Lens, Nelfilcon A
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- CooperVision, Inc.
Juvenile Myopia
Control of Myopia Using Novel Spectacle Lens Designs
Randomized, controlled, multisite, subject-and observer-masked, 3-arm parallel group clinical trial of 36-month duration to evaluate the safety and efficacy of a novel spectacle lens design in reducing the progression of juvenile…
- Trial name
- CYPRESS (NCT03623074)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 14 sites in United States, Canada
- Volunteers
- 266 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Hyperopia
Subjective Comparison of Pre-Lens Tear Film Stability With Daily Disposable Contact Lenses
The purpose of this study was to compare three CE-marked daily disposable contact lenses for tear film stability as measured by pre-lens non-invasive keratograph break up time (PL NIK-BUT).
- Conditions
- Myopia, Hyperopia, Refractive Error
- Trial name
- NCT01839318
- Testing
- Nelfilcon A contact lenses, Omafilcon A contact lenses, Etafilcon A contact lenses
- Volunteers
- 30 people
- Sponsor
- Alcon Research
Astigmatism
Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear
This is a prospective, multi-site, 4-visit, bilateral, dispensing, randomized, controlled, double-masked, 2x2 crossover study to evaluate subjective comfort, overall opinion and end of day comfort following wear of two different…
- Trial name
- NCT06749496
- Testing
- Test Lens, Control Lens
- Where
- 12 sites in United States
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
A Study to Evaluate the Product Performance of the PureVision®2 High Definition (HD) Contact Lens
The objective of this study is to evaluate the product performance of PureVision2 HD contact lenses.
- Trial name
- NCT01416142
- Testing
- PureVision2 HD contact lenses, Spectacles
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- Bausch & Lomb Incorporated
Refractive Error
DAILIES TOTAL1® Lubricity Post Wear
The primary objective of the study is to demonstrate that the lubricity of DAILIES TOTAL1® (DT1) lenses after 16 hours of wear is equivalent to the lubricity of unworn DT1 lenses.
- Trial name
- NCT02072980
- Testing
- Delefilcon A contact lenses
- Volunteers
- 15 people
- Sponsor
- Alcon Research
Myopia
A Study to Assess the Safety and Efficacy of a Daily Disposable Contact Lens
The objective of this study is to evaluate the safety and efficacy of the Bausch \& Lomb daily disposable tint contact lens (Test) compared to a currently marketed daily disposable cosmetic tint contact lens (Control).
- Trial name
- NCT01130974
- Testing
- Bausch & Lomb contact lens, Marketed daily disposable contact lens
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract, Astigmatism
Astigmatism Correction With Intrastromal Arcuate Incisions in Eyes Undergoing Cataract Surgery With Femtosecond Laser Using the Cassini Ambient With Iris Registration (ARCUATAS)
This is an observational, prospective follow-up post-marketing study of CE marked medical devices aimed at treating astigmatism in patients with cataracts.
- Trial name
- ARCUATAS (NCT05053620)
- Testing
- Calculation of the arcuate intrasomal incisions
- Where
- Spain
- Volunteers
- 22 people
- Sponsor
- OFTALVIST (Oftalmología Vistahermosa S.L)
Myopia
Evaluation Of One Silicone Hydrogel Contact Lens and Two Hydrogel Lenses in Daily Wear
To evaluate the comparative clinical performance of the fanfilcon A silicone hydrogel lens used in daily wear and to compare this with competitive hydrogel lens products.
- Trial name
- NCT04050618
- Testing
- fanfilcon A test lens, ocufilcon D control lens, etafilcon A control lens
- Where
- 6 sites in United States
- Volunteers
- 114 people
- Sponsor
- CooperVision, Inc.
Astigmatism
Performance of Toric Silicone Hydrogel Contact Lenses Following One Month of Daily Wear
The aim of this prospective study is to evaluate the clinical performance of fanfilcon A toric and lotrafilcon B toric contact lenses after 1 month of wear in each pair.
- Trial name
- NCT03418064
- Testing
- Fanfilcon A toric lens, Lotrafilcon B toric lens
- Where
- Mexico
- Volunteers
- 42 people
- Sponsor
- CooperVision, Inc.