Clinical trials: Visual Performance
Amputation
Does Walking Performance Improve When Veterans With Leg Amputations Are Given Visual Feedback?
Previous studies suggest that Veterans with below the knee amputation using passive-elastic or powered prostheses have impaired physical function, which could increase the risk of osteoarthritis, leg/back pain, and…
- Trial name
- NCT03974945
- Testing
- Passive-elastic prosthetic foot, Powered ankle-foot prosthesis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Refractive Error
Clinical Performance of a Silicone Hydrogel for Daily Disposable Wear
The purpose of this study is to compare the visual acuity of an investigational silicone hydrogel to a commercially available silicone hydrogel in contact lens wearers.
- Trial name
- NCT03095027
- Testing
- FID122819 contact lenses, Stenfilcon A contact lenses
- Where
- 3 sites in United States
- Volunteers
- 54 people
- Sponsor
- Alcon Research
Presbyopia
Multifocal Visual Performance Study
The purpose of this trial was to compare the functional visual performance of Precision Profile Multifocal (MF) contact lenses to Progressive Addition Lens (PAL) spectacles in a presbyopic population.
- Trial name
- NCT03757039
- Testing
- Multifocal soft contact lenses, Progressive addition lens spectacles
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 42 people
- Sponsor
- Alcon Research
Astigmatism
Evaluation of Orientation and Visual Acuity of Four Toric Soft Contact Lenses When Head is Tilted at 90 Degrees
The purpose of this study is to determine the relative performance of a new toric soft contact lens against three toric contact lens currently available in market, specifically with orientation and visual acuity when head is…
- Trial name
- NCT00583908
- Testing
- senofilcon A, balafilcon A toric, lotrafilcon B toric
- Where
- United Kingdom
- Volunteers
- 14 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Dry Eye Syndromes
Evaluation of Maintaining Visual Performance in Participants Who Engage in Electronic Visual Tasking While Using Restasis®
This study will evaluate the efficacy of Restasis® in participants with dry eye disease who engage in electronic visual tasking.
- Trial name
- EMPOWER (NCT02554981)
- Testing
- Cyclosporine 0.05% Ophthalmic Emulsion
- Where
- 2 sites in United States
- Volunteers
- 51 people
- Sponsor
- Allergan
Visual Performance
Evaluation of Two Marketed Multifocal Contact Lenses
This is a single-masked, randomized, cross-over, dispensing, 6- visit pilot study. The purpose of this clinical study is to evaluate the performance of two marketed multifocal lenses.
- Trial name
- NCT03322423
- Testing
- Multifocal Contact Lens 1, Multifocal Contact Lens 2, Spherical Contact Lens 2
- Where
- 5 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Presbyopia
Multifocal High ADD Contact Lens Proof of Concept Trial
The purpose of this study is to evaluate the visual performance of a new multifocal High ADD contact lens compared to the currently-marketed AIR OPTIX® AQUA MULTIFOCAL (AOAMF) High ADD Contact Lens.
- Trial name
- NCT02117544
- Testing
- Lotrafilcon B multifocal contact lenses (new), Lotrafilcon B multifocal contact lenses
- Volunteers
- 268 people
- Sponsor
- Alcon Research
Visual Performance
Investigation of Ocular Signs & Symptoms in Wearers Fitted With Contact Lenses Following Digital Device Use
The objective of this study is to assess how various silicone hydrogel lenses perform when worn by subjects who are heavy digital device users.
- Trial name
- NCT02394756
- Testing
- Marketed Soft Contact lens, AIR OPTIX® AQUA, Biofinity®
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Clinical Performance of Senofilcon A Investigational Lens
This study is a controlled, randomized, subject-masked, 2-arm parallel, 2-week dispensing, bilateral evaluation where the study lenses are worn for a minimum of 5 days per week and 6 hours per day.
- Trial name
- NCT05300763
- Testing
- senofilcon A prototype, Dailies Total 1
- Where
- 19 sites in United States
- Volunteers
- 344 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Capsule Endoscopy
The Second-Generation MCCG for Upper Gastrointestinal Tract.
The aim of this study is to evaluate the clinical application of the second-generation MCCG with higher image resolution and frame rate for upper gastrointestinal tract compared with the first-generation.
- Trial name
- NCT03977935
- Testing
- the second-generation MCCG
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Presbyopia
Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle
The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of…
- Trial name
- CZV_PAL1 (NCT01234207)
- Testing
- Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Visual Performance
Evaluating the Impact of JJVC Senofilcon A - Based Contact Lens With New UV-blocker on Day and Night Driving Performance
This is a bilateral, non-dispensing, randomized, subject masked, four visits, 3-period by 3- treatment crossover study. The objective of this study is to evaluate the effect of JJVC senofilcon A - based contact lens with new…
- Trial name
- NCT03330275
- Testing
- Investigational Contact Lens, Commercial ACUVUE OASYS, Commercial ACUVUE OASYS and Spectacles
- Where
- Australia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluating Visual Acuity and Initial Fit Performance of Two Soft Contact Lenses
This is a multi-center, randomized, controlled, double-masked, 2x2 cross-over, non-dispensing study to compare visual acuity and lens fit performance.
- Trial name
- NCT04954833
- Testing
- EMO-200, EMO-118
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Functionality of Experimental Contact Lens
Ocular Adaptation and Visual Performance for Accommodative Contact Lens
Presbyopes (people who might have a significant loss of their ability to accommodate their crystalline lens in the eye) will be recruited to wear a test lens and perform typical clinical tests of visual acuity with different…
- Trial name
- ACL (NCT02923232)
- Testing
- Accommodative contact lens
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Pacific University
Dry Eye Syndrome, Lipid Deficiency
Evaluation of SYSTANE® BALANCE in Dry Eye Subjects With Lipid Deficiency
The purpose of this study is to evaluate the repeated use of SYSTANE® BALANCE on stabilizing the tear film of dry eye patients with an unstable tear film.
- Trial name
- NCT01688726
- Testing
- SYSTANE® BALANCE eyedrops, Minims® Saline 0.9% eyedrops
- Volunteers
- 91 people
- Sponsor
- Alcon Research
Dry Eye, Eye Strain
Effects of Gunnar Computer Glasses on Viewing Comfort and Performance
The proposed study aims to test if Gunnar computer glasses provide any advantages, in comparison to no glasses, on the following aspects in computer-related office work: Any enhancement on the visual performance of the basic…
- Conditions
- Dry Eye, Eye Strain, Visual Acuity, Color Perception
- Trial name
- NCT02925884
- Testing
- Gunnar OTC Glasses
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Pacific University
Cataract Extraction, Corneal Astigmatism
Assessment of Visual Performance in Patients With Low Levels of Astigmatism
To assess visual performance in patients with low levels (0.5-0.75 Diopters) of corneal astigmatism.
- Trial name
- NCT00842231
- Testing
- Visual performance measures
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Presbyopia, Refractive Error
DAILIES® AquaComfort Plus® Multifocal (MF) - Comparative Assessment of Visual Performance
The purpose of this study is to evaluate the visual performance of DAILIES® Aqua Comfort Plus® (DACP) MF contact lens using new objective measurements.
- Trial name
- NCT02235831
- Testing
- Nelfilcon A MF contact lenses (DACP MF), Nelfilcon A single vision contact lenses (DACP)
- Volunteers
- 24 people
- Sponsor
- Alcon Research
Refractive Errors, Myopia
Performance Assessment of a Modified Daily Disposable Contact Lens
The purpose of this study is to compare visual acuity between two daily disposable contact lenses.
- Conditions
- Refractive Errors, Myopia, Hyperopia
- Trial name
- NCT03762668
- Testing
- Modified delefilcon A contact lenses, Delefilcon A contact lenses
- Where
- 5 sites in United States
- Volunteers
- 62 people
- Sponsor
- Alcon Research
Visual Acuity
Evaluation of the Clinical Performance of Daily Disposable Silicone Hydrogel Multifocal Toric Contact Lenses
This will be an open-label, 3-visit, single-arm, dispensing clinical trial to evaluate visual acuity.
- Trial name
- NCT06377488
- Testing
- JJVC Investigational Multifocal Toric Contact Lens manufactured in Senofilcon A (C3) material with UV blocker / HEV filter
- Where
- 15 sites in United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.