Clinical trials: Refractive Errors
Presbyopia
Performance Comparison of Two Monthly Replacement Silicone Hydrogel Multifocal Lens Types
To evaluate and compare the performance of two monthly replacement multifocal contact lenses in existing wearers.
- Trial name
- NCT06232590
- Testing
- Control Lens (comfilcon A), Test Lens (lehfilcon A)
- Where
- 5 sites in United States, Canada
- Volunteers
- 60 people
- Sponsor
- CooperVision International Limited (CVIL)
Cataract
A Comparison of Visual Function After Bilateral Implantation of Presbyopia-correcting Intraocular Lenses (IOLs)
The purpose of this study is to prospectively evaluate postoperative visual and refractive parameters in a series of subjects bilaterally implanted with the AcrySof® IQ ReSTOR® +3 versus those bilaterally implanted with the…
- Trial name
- NCT01166971
- Testing
- ReSTOR +3, Tecnis MF
- Where
- 3 sites in United States
- Volunteers
- 65 people
- Sponsor
- Alcon Research
Myopia, Hyperopia
Accuracy of LASIK Flaps Created With the LenSx® Femtosecond Laser - A Pilot Study
The purpose of this study is to evaluate the thickness accuracy of Laser-assisted in situ keratomileusis (LASIK) flaps created with the LenSx® Laser.
- Trial name
- NCT02575911
- Testing
- Femtosecond Laser System, LASIK surgery
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Alcon Research
Presbyopia
Clinical Performance of a Phakic Intraocular Lens (IOL)
This study will evaluate the clinical performance of a phakic intraocular lens (IOL) for the improvement of Uncorrected Near Visual Acuity (UCNVA) in subjects who require between +1.00 and +2.50 Reading Add.
- Trial name
- NCT03499821
- Testing
- EDOF ICL
- Where
- 6 sites in Belgium, Spain
- Volunteers
- 41 people
- Sponsor
- Staar Surgical Company
Presbyopia
Vivity IOL: Emmetropia Compared to Monovision.
Current visual outcomes expectations of cataract patients are similar to those of refractive surgery patients. Their desire is to be spectacle independent for far, intermediate and near vision activities.
- Trial name
- NCT05464732
- Testing
- Vivity IOL emmetropia, Vivity IOL monovision
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Myopia
Multi-Center 2-Week Clinical Evaluation of Three Silicone Hydrogel Contact Lenses
The purpose of this study is to compare the clinical performance of three silicone hydrogel contact lenses over a 2 week period.
- Trial name
- NCT01244516
- Testing
- galyfilcon A, BC 8.30, lotrafilcon B, BC 8.60, comfilcon A, BC 8.60
- Where
- 35 sites in United States
- Volunteers
- 540 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Hyperopia
One-month Clinical Evaluation of Oté Sensation Multi-Purpose Solution Care System
The purpose of this study is to evaluate the clinical performance of the contact lens care product Oté Sensation in a representative population of soft contact lens wearers.
- Trial name
- NCT03278223
- Testing
- Test solution, Control solution
- Where
- 11 sites in United States, United Kingdom
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- OTE North America
Refractive Errors, Myopia
Safety and Suitability of ICL for Correction of Refractive Errors Without the Use of Dispersive OVDs
The goal of this observational study is to test whether surgeries for lenses designed to be implanted in the eye to correct refractive error can be done without the need for using viscoelastic substances that are used routinely…
- Conditions
- Refractive Errors, Myopia, Myopic Astigmatism, Hypermetropia
- Trial name
- NCT06371079
- Testing
- phakic intraocular lens implantation traditional, phakic intraocular lens implantation reduced OVD
- Where
- Iraq
- Volunteers
- 448 people
- Sponsor
- Loay Abdulmutalib Almusawi
Cataract, Astigmatism
Patient Perception of Visual Distortions
The purpose of this study is to evaluate visual distortions reported by pseudophakic patients.
- Trial name
- NCT02203747
- Testing
- Administration of patient self-assessment
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Myopia
Comparison of Clinical Performance and Subjective Preference of Three Contact Lenses
The purpose of this study is to evaluate the clinical performance and subject's preference out of three LRE (Limbal Ring Enhancing) lens types: etafilcon A (Johnson\&Johnson), methafilcon A (Interozzo), and methafilcon A…
- Trial name
- NCT03134599
- Testing
- etafilcon A, methafilcon A - Interozzo, methafilcon A - CVI (CooperVision)
- Where
- South Korea
- Volunteers
- 60 people
- Sponsor
- CooperVision, Inc.
Ametropia
Evaluation of the Performance of Non-molded Soft Contact Lenses
To evaluate the performance of the study soft lens for vision, comfort, physiology and lens surface properties.
- Trial name
- NCT00371787
- Testing
- Soft contact lens
- Where
- Canada
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Refractive Error, Myopia
Comparative Evaluation of Contact Lens Centering of DAILIES® AquaComfort Plus® Versus 1-DAY ACUVUE® MOIST® in Japan
The purpose of this study is to evaluate lens centration and subjective impressions of DAILIES® AquaComfort Plus® (DACP) lenses compared to 1-DAY ACUVUE® MOIST® (1DAM) lenses in ball sports players.
- Conditions
- Refractive Error, Myopia, Myopic Astigmatism
- Trial name
- NCT02103309
- Testing
- Nelfilcon A contact lenses, Etafilcon A contact lenses
- Volunteers
- 42 people
- Sponsor
- Alcon Research
Presbyopia
A Study to Evaluate a Mid Add Multi-Focal Soft Contact Lens
This study is to evaluate the product performance of the investigational LD127025 MF mid add soft contact lens compared to CIBA Vision's Air Optix Aqua MF MED add soft contact lenses when used among currently adapted soft contact…
- Trial name
- NCT01959178
- Testing
- LD127025 MF, Air Optix Aqua MF
- Where
- United States
- Volunteers
- 146 people
- Sponsor
- Bausch & Lomb Incorporated
Refractive Errors, Myopia
Clinical Comparison of 2 Daily Disposable Contact Lenses - Pilot Study 2
The primary objective of this study is to evaluate the overall performance of PRECISION1 contact lenses when compared to Clariti 1-Day contact lenses.
- Trial name
- NCT04528017
- Testing
- Verofilcon A contact lenses, Somofilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 56 people
- Sponsor
- Alcon Research
Astigmatism
Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for Astigmatism
The purpose of this study is to evaluate functional vision associated with rotational stability at blink of DAILIES® AquaComfort Plus® Toric (DACP T) compared to 1-DAY ACUVUE® MOIST® for Astigmatism (1DAM A).
- Trial name
- NCT02071771
- Testing
- Nelfilcon A toric contact lenses, Etafilcon A toric contact lenses
- Volunteers
- 80 people
- Sponsor
- Alcon Research
Ametropia
Performance of Toric Hydrogel Lenses Following A Refit With Toric Silicone Hydrogel Lenses for 1 Month
The aim of this prospective study is to evaluate the clinical performance of habitual wearers of methafilcon A toric lenses after a refit with fanfilcon A toric lenses for 1-month of daily wear.
- Trial name
- NCT03835221
- Testing
- methafilcon A toric contact lenses, fanfilcon A toric contact lenses
- Where
- Mexico
- Volunteers
- 43 people
- Sponsor
- CooperVision, Inc.
Myopia
Evaluation of the Feasibility a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of an investigational contact lens.
- Trial name
- NCT01309906
- Testing
- Investigational lens, Air Optix Aqua lens
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Dual Focus Soft Contact Lens Wear Cessation Study
The purpose of this study is to investigate the effect of ceasing treatment with dual focus soft contact lenses.
- Trial name
- NCT05779072
- Testing
- Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Error
Clinical Evaluation of the Safety and Efficacy of FID 120947A
The purpose of this study is to evaluate the safety and efficacy of FID 120947A in soft contact lens wearers of Japanese ethnicity.
- Trial name
- NCT02771145
- Testing
- FID 120947A contact lens disinfecting solution, Soft contact lenses (SCL), SCL preservative solution
- Where
- Japan
- Volunteers
- 91 people
- Sponsor
- Alcon Research
Presbyopia
Comparison of Two Soft Bifocal Contact Lenses
The purpose of the study is to compare the visual performance of two soft bifocal contact lenses.
- Trial name
- NCT00724945
- Testing
- balafilcon A, senofilcon A
- Where
- 6 sites in United States
- Volunteers
- 113 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.