Clinical trials: Visual Performance
Cognitive Impairment, Mood Disorders
Performances of a Brief Assessment Tool for the Early Diagnosis of Geriatric Syndromes by Primary Care Physicians
The AGE (Active Geriatric Evaluation) aims to develop a brief assessment tool adapted to the primary care setting.
- Conditions
- Cognitive Impairment, Mood Disorders, Urinary Incontinence, Malnutrition
- Trial name
- NCT01816087
- Testing
- brief geriatric assessment
- Where
- Switzerland
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
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
Visual Acuity
Performance Evaluation of DIY Digital Visual Acuity Test
This study aims to verify the accuracy of a new Digital Visual Acuity test. The test results obtained with the support of the device will be compared to the current standard of care related to visual acuity testing.
- Trial name
- CI01-2022 (NCT07331870)
- Testing
- Comparaison of the investigation device measurement with standard of Care
- Where
- Denmark
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Ojenforeningen
Cataract, Lens Opacity
Clinical Study to Investigate Visual Performance of IOL: FineVision HP
This is a prospective, non-randomised, controlled, single-surgeon, single-center post-market clinical follow up study whereby patient undergoing routine cataract surgery will have bilateral implantation of a recently introduced…
- Trial name
- NCT03027024
- Testing
- Implantation of IOL: PhysIOL POD F GF
- Where
- Australia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
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
Frailty, Age-Related Macular Degeneration
Visual Frailty in Ageing
The goal of this observational study is to define visual frailty and refine monitoring for an ageing population. It involves piloting a visual frailty assessment tool in a cohort of patients aged 60 and above with a known…
- Conditions
- Frailty, Age-Related Macular Degeneration, Functional Status, Mental Health
- Trial name
- VFiA (NCT06604104)
- Where
- 2 sites in United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Contact Lens Complication, Astigmatism
T30 for Astigmatism in Digital Device Users
This study aims to determine if Total30 lenses for astigmatism can be successfully fit in participants who are heavy digital device users.
- Conditions
- Contact Lens Complication, Astigmatism, Refractive Errors
- Trial name
- T30FA (NCT06266728)
- Testing
- Total30 for Astigmatism Contact Lenses
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Southern College of Optometry
Anesthesia, Medical Education
Mental Visualization as a Learning Tool in Anesthesia
The purpose of this study is to evaluate the benefit of adding mental visualization to a training program in medical education. Undergraduate medical students will be randomized before participating in a training program on…
- Trial name
- NCT04159389
- Testing
- Mental visualization
- Where
- France
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Grenoble Alps
Visual Acuity
Non-Invasive Assessment of Contact Lens Performance During Use of a Digital Display
This is a two-arm, open-label, bilateral dispensing clinical investigation. Eligible subjects will proceed to either a low-sphere or high-sphere arm based on refraction measurements in the baseline assessment.
- Trial name
- NCT04869189
- Testing
- JJVC Marketed Contact Lens
- Where
- United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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
Labor Pain
Color Doppler to Confirm Epidural Catheter Positioning in Parturient
The aim of this study is to calculate the sensitivity and specificity of using color Doppler with pulsed wave Doppler to accurately detect the position of epidural catheter
- Trial name
- NCT05606952
- Testing
- Color Doppler
- Where
- Egypt
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Stroke, Ischemic, Stroke Hemorrhagic
Radial Extracorporeal Shock Wave Therapy and Visual Feedback Balance Training on Lower Limb Post-Stroke Spasticity, Trunk Performance and Balance:
This study assess the relationship between lower limb spasticity and trunk movements during static and dynamic balance in post-stroke patients who also underwent conventional physical therapy, visual feedback balance training and…
- Conditions
- Stroke, Ischemic, Stroke Hemorrhagic, Spasticity as Sequela of Stroke, Spastic Gait
- Trial name
- NCT05196633
- Testing
- radial extracorporeal shock wave therapy
- Where
- Romania
- Volunteers
- 23 people
- Sponsor
- Carol Davila University of Medicine and Pharmacy
RETI, VR
Exploring the Synergistic Effects of Virtual Reality and Retrogressive Imagery on Basketball Free Throw Performance and Self-efficacy Among University Students: A Randomized Controlled Trial
This research contributes to the growing body of evidence supporting the use of mental training techniques in sports. By demonstrating the effectiveness of RETI and VR in improving FT performance and FTSE, this study provides…
- Conditions
- RETI, VR, FTSE
- Trial name
- NCT06565533
- Testing
- Retrogressive imagery (RETI), Virtual Reality (VR)
- Where
- Malaysia
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Wu Jiarun
Myopia
Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)
To evaluate the visual performance of (high and low contrast distance visual acuity, reading speed, near visual acuity, and near contrast sensitivity) of HAL spectacle lenses (habitual correction) in comparison with single vision…
- Trial name
- FIN-3102 (NCT07668102)
- Testing
- HAL spectacle lens, Single Vision spectacle lens
- Where
- 7 sites in United States
- Volunteers
- 88 people
- Sponsor
- Essilor International
Refractive Assessment
ACRYSOF® Restor Apodized Diffractive IOL Postmarket Evaluation of Clinical Outcomes and Life-Style Visual Performance RESTOR IOL SN60WF IOL (Control Group)
The objective of the research on the Restore Intra Ocular Lens Implant (IOL) is to determine the clinical visual outcomes following bilateral implantation of the IOL compared to a control IOL and to demonstrate what percentage of…
- Trial name
- NCT00345111
- Testing
- Clinical visual outcomes of bilateral implantation of Restore Intra Ocular Lens.
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Dietary Supplementation
Impact of Dark Chocolate on Visual Performance
The purpose is to conduct a randomized, single-masked crossover study to determine if acute consumption of a commercially available, highly palatable dark chocolate bar can improve visual performance.
- Trial name
- NCT03326934
- Testing
- Dark chocolate, Milk Chocolate
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
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.
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab