Clinical trials: Refractive Error
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
Refractive Error, Presbyopia
Multifocal Lens Design Evaluation
The purpose of this study was to compare binocular high contrast, high illumination (HC/HI) visual acuity at near (40 centimeters) of new multifocal contact lenses against AIR OPTIX® AQUA MULTIFOCAL contact lenses when worn for 9…
- Trial name
- NCT01997216
- Testing
- Delefilcon A multifocal contact lens, Lotrafilcon B multifocal contact lens
- Volunteers
- 42 people
- Sponsor
- Alcon Research
Refractive Error
Performance and Acceptability of VSS-R
The results of this trial will demonstrate that AVSS software performs as intended and is acceptable in a clinical setting.
- Trial name
- NCT01067716
- Testing
- STAR S4IR LASIK with VSS-R ablation profile
- Where
- 5 sites in Canada
- Volunteers
- 150 people
- Sponsor
- Abbott Medical Optics
Myopia, Astigmatism
Prospective Study of an Investigational Toric Soft Contact Lens
The purpose of this study was to demonstrate substantial equivalence of an investigational toric soft contact lens to the commercially available Focus® DAILIES® Toric soft contact lens when worn in a daily wear, daily disposable…
- Conditions
- Myopia, Astigmatism, Refractive Error
- Trial name
- NCT01461811
- Testing
- Nelfilcon A toric contact lenses (with comfort additives), Nelfilcon A toric contact lenses
- Volunteers
- 154 people
- Sponsor
- CIBA VISION
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
Myopia, Astigmatism
Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers
The purpose of this study was to assess the comfort of OPTI-FREE RepleniSH in soft contact lens wearers.
- Conditions
- Myopia, Astigmatism, Refractive Error
- Trial name
- NCT01211535
- Testing
- OPTI-FREE RepleniSH multipurpose solution, ReNu Biotrue multipurpose solution, Silicone hydrogel contact lenses
- Where
- United States
- Volunteers
- 104 people
- Sponsor
- Alcon Research
Refractive Error
Lens Wearing Experience and Biocompatibility of a Marketed Multi-Purpose Disinfecting Solution in Silicone Hydrogel and Soft Contact Lens Wearers
The purpose of this study was to describe mean differences in corneal staining (type and area) for OPTI-FREE PureMoist Multi-Purpose Disinfecting Solution (MPDS) at Day 30 compared to Baseline (Day 0).
- Trial name
- NCT01484938
- Testing
- OPTI-FREE PureMoist
- Where
- United States
- Volunteers
- 175 people
- Sponsor
- Alcon Research
Refractive Error
Ocular Comfort and the "Aging" Lens (ERBIUM)
The purpose of this trial was to evaluate the factors affecting comfortable contact lens wear and how those factors affect contact lens replacement frequency.
- Trial name
- NCT01198600
- Testing
- Habitual contact lens, Lotrafilcon B contact lens, Contact lens cleaning and disinfecting system (ClearCare)
- Where
- Canada
- Volunteers
- 78 people
- Sponsor
- CIBA VISION
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
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