Clinical trials: Refractive Errors
Astigmatism
A Bilateral Dispensing Clinical Trial of an Sapphire Lens Against Senofilcon A Toric for Astigmatism Lens
This study was conducted to evaluate the clinical performance of an investigational silicone-hydrogel lens against Senofilcon A toric lens. The study results were not used for design validation of the investigational product.
- Trial name
- NCT02555098
- Testing
- Sapphire contact lenses, senofilcon A contact lenses
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- CooperVision, Inc.
Myopia
Study of Safety and Effectiveness of the Boston Orthokeratology Shaping Lens in the Arise Orthokeratology Lens
The objective of this orthokeratology study is to evaluate the safety and effectiveness of the Arise Orthokeratology Lens with non-spherical posterior peripheral curves
- Trial name
- NCT05984290
- Testing
- orthokeratology lens
- Where
- 6 sites in United States
- Volunteers
- 90 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Evaluation of Comfilcon A and Senofilcon A Lenses
Evaluation of Comfilcon A and Senofilcon A Lenses
- Trial name
- NCT01695369
- Testing
- Senofilcon A; Comfilcon A, Comfilcon A; Senofilcon A
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- CooperVision, Inc.
Myopia
Feasibility of a New Silicone Hydrogel Lens
The objective of this study is to determine the product feasibility of the investigational contact lens (Test) when compared to the currently marketed Acuvue Oasys contact lens (Control) and the Air Optix Aqua contact lens…
- Trial name
- NCT01131130
- Testing
- Investigational contact lens, Acuvue Oasys Contact Lens, Air Optix Aqua
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Bausch & Lomb Incorporated
Refractive Error
On-Eye Evaluation of Contact Lens Rotation Marks
The purpose of this study was to select the size of the molded rotation mark for a new toric contact lens by comparing the visibility of various molded rotation marks.
- Trial name
- NCT02055404
- Testing
- Delefilcon A spherical contact lens with molded marks, Etafilcon A toric contact lens
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Alcon Research
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
Astigmatism
Clinical Performance of Toric Hydrogel Contact Lenses Following One Week of Daily Wear
The aim of this prospective study is to evaluate the clinical performance of filcon IV1 toric and ocufilcon D toric contact lenses after 1 week of wear in each pair.
- Trial name
- NCT02847169
- Testing
- filcon IV1 toric lens, ocufilcon D toric lens
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Ametropia
Endothelial Bleb Response With Toric Lenses
Evaluate the short-term corneal response of oxygen deprivation when using toric contact lenses. The response will be noted by endothelial bleb formation in both open eye and closed eye state.
- Trial name
- NCT00630305
- Testing
- alphafilcon A toric, lotrafilcon B toric, senofilcon A toric
- Where
- Australia
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error
Clinical Comparison of 4 Daily Disposable Soft Contact Lenses
The purpose of this study is to obtain on-eye performance data to inform contact lens product development and to further evaluate product performance in the intended population.
- Trial name
- NCT03349632
- Testing
- verofilcon A contact lenses, senofilcon A contact lenses, stenfilcon A contact lenses
- Where
- 3 sites in United States
- Volunteers
- 68 people
- Sponsor
- Alcon Research
Myopia, Hyperopia
Multicenter Dispensing Study of Biofinity Lenses in Extended Range
To obtain subjective and objective feedback on the clinical performance of Biofinity lenses after at least two weeks daily wear in existing contact lens wearers compared with their habitual lenses.
- Trial name
- NCT02060539
- Testing
- Biofinity XR
- Where
- 4 sites in United States, Canada
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
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.
Bilateral Cataract, Presbyopia
Symfony/Synergy IOL Combination Outcomes
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
- NCT05604781
- Testing
- Symfony & Synergy IOL combination
- Where
- 2 sites in United States
- Volunteers
- 41 people
- Sponsor
- Center For Sight
Presbyopia
Long Term Follow-up of the VisAbility™ Micro Insert System for Presbyopic Patients
The objective of this study is to obtain an additional 36 months of safety and effectiveness data from all subjects who were implanted with the VisAbility™ Micro Insert in the VIS-2014 clinical trial.
- Trial name
- NCT03811249
- Testing
- VisAbility™ Micro Insert
- Where
- 13 sites in United States
- Volunteers
- 287 people
- Sponsor
- VisDura, Inc.
Presbyopia
Clinical Evaluation of Two Multifocal Contact Lenses
The aim of this study is to evaluate the patient subjective experiences of the monthly multifocal lens when compared to the daily disposable multifocal lens after 15 minutes of daily wear.
- Trial name
- NCT05457608
- Testing
- Lens A, Lens B
- Where
- Mexico
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Vistakon Investigational Contact Lenses Worn for Daily Wear
This study compares the performance of an investigational contact lens to a currently marketed lens.
- Trial name
- NCT00717249
- Testing
- galyifilcon A control lens, galyfilcon A with a silver additive
- Where
- 20 sites in United States
- Volunteers
- 529 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Controlling Myopia Progression With Soft Contact Lenses
This study is to investigate whether novel soft contact lens optical designs can slow myopia progression.
- Trial name
- NCT00762970
- Testing
- Test Lens 1, Test Lens 2, Control Lens
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Errors, Myopia
Pilot Clinical Performance of a Silicone Hydrogel Lens for Up to Six Nights of Extended Wear
The purpose of this clinical study is to evaluate the on-eye performance of an investigational soft contact lens compared to a commercially available soft contact lens when worn continuously for up to 1 week.
- Conditions
- Refractive Errors, Myopia, Hyperopia
- Trial name
- NCT04403542
- Testing
- Lehfilcon A contact lens, Comfilcon A contact lens
- Where
- 3 sites in United States
- Volunteers
- 36 people
- Sponsor
- Alcon Research
Presbyopia
Evaluating Two Multifocal Daily Disposable Contact Lenses
The objective of the study was to adapt existing multifocal soft lens wearers to a Control Lens for at least 2 weeks and then evaluate the success of switching them to the Test Lens, with a review after 2 weeks.
- Trial name
- NCT05579886
- Testing
- Control Lens, Test Lens
- Where
- 5 sites in United States
- Volunteers
- 60 people
- Sponsor
- CooperVision, Inc.
Myopia
1 Week Crossover Study Between Two Soft Contact Lenses
The objective of this investigation is to compare the visual clinical performance of two daily disposable soft contact lenses.
- Trial name
- NCT06611410
- Testing
- Test Lenses (stenfilcon A), Control Lenses (omafilcon A)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- CooperVision, Inc.
Aphakia, Corneal Astigmatism
Evaluation of the Safety and Performance of the HARMONI® Toric Lens
The purpose of this study was to evaluate the safety and effectiveness of the HARMONI® Modular Intraocular Lens System with a toric optic (HMTIOL) in subjects with pre-existing corneal astigmatism in need of cataract surgery.
- Conditions
- Aphakia, Corneal Astigmatism, Cataract
- Trial name
- NCT03050697
- Testing
- HARMONI® Modular Toric Intraocular Lens, Cataract extraction with intraocular lens (IOL) implantation
- Where
- New Zealand
- Volunteers
- 16 people
- Sponsor
- ClarVista Medical