Clinical trials: Eye--Refractive Errors
Hyperopia, Astigmatism
A Study to Evaluate the Safety and Effectiveness of the Technols 217z Zyoptix System for Hyperopia
A study to demonstrate the safety and effectiveness of wavefront laser refractive surgery treatments for hyperopia and astigmatism.
- Trial name
- NCT00348205
- Testing
- Technolas 217z Zyoptix Laser
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Bausch & Lomb Incorporated
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, Refractive Errors
DD T2 Daily Disposable Registration Trial
The purpose of this study is to evaluate the performance of the investigational verofilcon A contact lens compared to the commercially available delefilcon A contact lens, by assessing visual acuity as the primary variable.
- Trial name
- NCT03305770
- Testing
- verofilcon A contact lenses, delefilcon A contact lenses
- Where
- 6 sites in United States
- Volunteers
- 107 people
- Sponsor
- Alcon Research
Myopia
An Evaluation of the Effectiveness of Dual Focus Soft Contact Lenses in Slowing Mypoia Progression
The purpose of this study is to determine whether a new type of soft contact lens with a unique optical design (dual focus) is effective at slowing the progression of myopia (near-sightedness) in children.
- Trial name
- NCT01729208
- Testing
- Dual Focus Soft Contact Lens, Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 144 people
- Sponsor
- CooperVision, Inc.
Presbyopia
Evaluate the Efficacy and Safety of CTO0307 in Adults With Presbyopia
This study was to compare the presbyopia correction effect between the treatment group and the control group, evaluated by the proportion of patients who achieved an improvement of 3 lines or more in mesopic binocular DCNVA at…
- Trial name
- NCT07723716
- Testing
- CTO0307 Eye drop
- Where
- South Korea
- Volunteers
- 167 people
- Sponsor
- Taejoon Pharmaceutical Co., Ltd.
Refractive Error
A PHASED, PROSPECTIVE, MULTI-CENTER STUDY OF THE ELITA SYSTEM
This study will be a 2-phase, prospective, multicenter, open-label, non-comparative, non-randomized clinical investigation to confirm the safety and effectiveness of the ELITA system.
- Trial name
- NCT05713253
- Testing
- ELITA System
- Where
- 2 sites in United States
- Volunteers
- 96 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Astigmatism
Performance of Fanfilcon A Toric Lenses After at Least One Month Wearing Enfilcon A Toric Lenses
This is a prospective, multi-center, subject-masked, bilateral, daily wear, two-month dispensing study
- Trial name
- NCT02921412
- Testing
- fanfilcon A
- Where
- 4 sites in United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Error - Myopia Simple
Evaluation of the Safety and Efficacy of PEGAVISION Silicone Hydrogel Daily Disposable Soft Contact Lenses (G3)
The goal of this clinical trial is to learn if PEGAVISION Silicone Hydrogel Daily Disposable Soft Contact Lenses (G3) are safe and effective for vision correction in adults.
- Trial name
- NCT06995781
- Testing
- Experimental Intervention, Active Comparator Intervention
- Volunteers
- 69 people
- Sponsor
- Pegavision Corporation
Myopia
Two Daily Disposable Contact Lenses in Symptomatic Patients
The purpose of this study is to evaluate the performance of DAILIES TOTAL1® and ACUVUE OASYS® 1-DAY and with respect to visual acuity in a symptomatic study population of monthly or bi-weekly replacement lens wearers.
- Trial name
- NCT03628599
- Testing
- Delefilcon A contact lenses, Senofilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 39 people
- Sponsor
- Alcon Research
Myopia
Evaluation of Etafilcon A Daily Disposable Lenses
To evaluate the clinical performance of daily disposable etafilcon A lenses.
- Trial name
- NCT02061592
- Testing
- etafilcon A
- Where
- 7 sites in United States
- Volunteers
- 136 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error
Evaluation of Deposits on Contact Lenses Worn Daily Wear
The purpose of this study was to measure front surface deposits on contact lenses when worn for ten hours.
- Trial name
- NCT00725153
- Testing
- Balafilcon A contact lenses (PureVision), Etafilcon A contact lenses (Acuvue2)
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- Alcon Research
Myopia
Clinical Assessment of Two Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lenses
The purpose of this study is to compare the clinical performance of TOTAL30 contact lenses with Biofinity contact lenses over 30 days of daily wear.
- Trial name
- NCT04980456
- Testing
- Lehfilcon A contact lenses, Comfilcon A contact lenses, CLEAR CARE
- Where
- 14 sites in United States
- Volunteers
- 257 people
- Sponsor
- Alcon Research
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
Astigmatism
Performance Evaluation of Two Silicone Hydrogel Toric Lens Designs in Habitual Soft Contact Lens Wearers
The objective of the study was to compare the clinical performance of two monthly toric silicone hydrogel contact lenses in habitual wearers, when worn for 1-month each.
- Trial name
- NCT05933772
- Testing
- Lens A (comfilcon A toric lens), Lens B (lehfilcon A toric lens)
- Where
- 5 sites in United States, Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Progressive Myopia Treatment Evaluation for NaturalVue Multifocal Contact Lens Trial
This is a multi-center, randomized, double-masked clinical trial. All study devices are market approved/cleared in the localities where the study is conducted.
- Trial name
- PROTECT (NCT05159765)
- Testing
- Single vision contact lenses, Multifocal contact lenses
- Where
- 8 sites in United States, Canada and 2 more
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Visioneering Technologies, Inc
Myopia, Myopia Progression
Children's Viewing Behavior
The aim of this study is to investigate the area of the spectacle lens in which a subject is viewing through regardless of task being performed.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- NCT07229365
- Testing
- Novel spectacle lens design, Spectacle lens designs
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
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
Cataract, Astigmatism
Toric Intraocular Lens Following Cataract Surgery
The objective of this clinical trial is to evaluate the safety and effectiveness of the Bausch + Lomb Toric Accommodating Posterior Chamber Silicone Intraocular Lens used to provide near, intermediate, and distance vision and a…
- Trial name
- NCT01140477
- Testing
- Toric Accommodating Lens, Accommodating Lens
- Where
- United States
- Volunteers
- 229 people
- Sponsor
- Bausch & Lomb Incorporated
Presbyopia
A Multi-Center, Double-Masked Evaluation of the Efficacy and Safety of CSF-1 in the Treatment of Presbyopia
This is a 4-visit, multi-center, randomized, double-masked, parallel group study evaluating the safety and efficacy of CSF-1 in the treatment of presbyopia.
- Trial name
- NCT03885011
- Testing
- CSF-1, CSF-1 Component #1, CSF-1 Component #2
- Where
- 7 sites in United States
- Volunteers
- 166 people
- Sponsor
- Orasis Pharmaceuticals Ltd.
Refractive Errors, Astigmatism
Clinical Assessment of a Daily Wear Monthly Replacement Silicone Hydrogel Toric Contact Lens
The purpose of this clinical study is to assess the clinical performance of an investigational toric soft contact lens compared to a commercially available toric contact lens in a crossover dispense trial when worn in a daily…
- Trial name
- NCT05211739
- Testing
- Lehfilcon A toric contact lenses, Comfilcon A toric contact lenses, CLEAR CARE
- Where
- 7 sites in United States
- Volunteers
- 76 people
- Sponsor
- Alcon Research