Found 16 matching trials
Air Optix Extended Wear Contact Lenses
N/AThe purpose of this Post-Market Clinical Follow-Up (PMCF) study is to asses...
Location
Vision Health Institute
Clinical Comparison of Two Multifocal Contact Lenses Made of Silicone Hydrogel Materials
NAThe purpose of this study was to compare visual performance measures betwee...
Location
Multiple Locations
Clinical Validation Study of Comfilcon A Multifocal Toric Contact Lenses
NAThis is a study to evaluate the clinical performance and subjective accepta...
Location
Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University
Multifocal Lens Centration and Its Effect on Visual Performance in a Presbyopic Population
NAThe purpose of this study is to use a corneal topographer, a device that is...
Location
Centre for Contact Lens Research, University of Waterloo
Refitting Multifocal Contact Lens Wearers With a Different Multifocal Contact Lens
NAThe purpose of this study was to compare ease of handling and vision acuity...
Location
Ocular Technology Group - International
Bifocal Lenses In Nearsighted Kids
NAThis study will evaluate the use of two different bifocal contact lens add ...
Location
Ohio State University College of Optometry
Driving Simulator Study Comparing Two Modes of Presbyopic Correction With Contact Lenses
NAThe overall objective of this study is to compare the effect on simulated d...
Location
Multiple Locations
Accommodative Behaviors in Multifocal Contact Lenses
NAAddition lenses are often used to treat a range of eye conditions. Addition...
Location
The Ohio State University
Clinical Evaluation of Biofinity Multifocal Compared With Air Optix Aqua Multifocal and With PureVision Multifocal
NAThis is a prospective, multi-centre, randomised, single-blind, cross-over s...
Location
Multiple Locations
Multifocal Contact Lenses Fitting Methods Comparison
NAThe purpose of this study was to compare the clinical performance of two fi...
Location
Ocular Technology Group - International