Clinical trials: Visual Performance
Cataract Extraction, Phacoemulsification
A Study Comparing Two Monofocal, Aspheric, Hydrophobic Acrylic Intraocular Lenses: the Alcon CLAREON® and the Abbott Medical Optics PCB00
This is a bilateral randomised controlled study to compare visual performance, refractive outcome, forward light scatter, patient satisfaction and objective measurement of glistenings following insertion of two monofocal…
- Conditions
- Cataract Extraction, Phacoemulsification, Glistenings, Intraocular Lens Implant
- Trial name
- NCT03364972
- Testing
- Cataract surgery
- Where
- United Kingdom
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Children Receiving Early Intervention, Visual Perception Performance
The Effectiveness of Telehealth-Based Family-Centered Early Intervention
Background: Children with developmental delays or sensory processing disorders (SPD) face challenges in processing and integrating sensory information from their environment, which can lead to behavioral, learning, and social…
- Conditions
- Children Receiving Early Intervention, Visual Perception Performance, Effects of Posture and Movement
- Trial name
- NCT06615895
- Testing
- Telehealth home activity
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University Shuang Ho Hospital
Chronic Back Pain
The Acute Effect Of Different Kinesiological Tape
This study aims to compare the acute effects of different kinesiology tapes on pain, functional performance and trunk endurance in young adults with chronic low back pain.
- Trial name
- NCT05167214
- Testing
- The Acute Effect Of Different Kinesiological Tape Application On Pain, Functional Performance And Trunk Endurance In Young Adults With Chronic Back Pain
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Baskent University
Mental Fatigue, Cognitive Performance
Phosphatidylserine, Taurine, and Caffeine for Cognitive Fatigue in Professional Football Players
This randomized, double-blind, placebo-controlled, parallel-group trial evaluated neurocognitive fatigue resistance and football-specific decision-making following 28 days of taurine-caffeine supplementation with or without…
- Conditions
- Mental Fatigue, Cognitive Performance, Athletic Performance, Soccer Performance
- Trial name
- TCPS-Foot (NCT07696052)
- Testing
- Taurine Plus Caffeine, Taurine, Caffeine, and Phosphatidylserine
- Where
- 2 sites in Poland
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Vizja University in Warsaw
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
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
Cataract, Lens Opacities
Implantation of a Trifocal Hydrophobic IOL in Patients That Underwent Refractive Surgery
Controlled, open label, prospective Post Market Clinical Follow-Up, single-center clinical study to investigate visual performance after implantation of a trifocal IOL (PhysIOL Pod L GF) in patients that underwent refractive…
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT04054427
- Testing
- IOL implantation experimental
- Volunteers
- healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Myopia
Eye Length Signal With Myopia Control
Myopia, considered as a global epidemic, is rapidly rising in prevalence especially in east Asian countries. Younger ages are associated with greater annual progression and thus early onset myopia is likely to result in higher…
- Trial name
- NCT04813640
- Testing
- Spectacles
- Where
- Vietnam
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision Institute
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
Refractive Error, Presbyopia
Randomized Clinical Trial of Bifocal Lenses Versus Computer-specific Progressive Addition Lenses
This is a research study designed to test the utility of D-shaped bifocal lenses and PRIO Computer Lenses for persons using a computer.
- Conditions
- Refractive Error, Presbyopia, Asthenopia, Eyeglasses
- Trial name
- NCT00585026
- Testing
- D-28 bifocal lenses and frame, Progressive addition computer lenses and frame
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Myopia
Visual Performance of Center Distance Daily Disposable Multifocal Lenses
The purpose of this study is to compare visual performance (high and low contrast acuity, reading acuity, contrast sensitivity, stereoacuity, accommodative response, eye hand coordination, far near vision, and dynamic vision)…
- Trial name
- ViPCD3 (NCT06475053)
- Testing
- NaturalVue Enhanced Multifocal 1 Day contact lens, MiSight 1 Day contact lens
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Visioneering Technologies, Inc
Cataract, Lens Diseases
Visual Performance of Pseudophakic Patient With Different Intraocular Lenses
This retrospective study comprised patients with cataract, corneal astigmatism, and motivation for spectacle independence. In all cases, a multifocal and monofocal Intraocular Lens was been implanted in the capsular bag.
- Conditions
- Cataract, Lens Diseases, Eye Diseases
- Trial name
- ETDRS (NCT01763411)
- Where
- Brazil
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hospital Oftalmologico de Brasilia
Glaucoma
Patient Performance on Virtual Reality Visual Field Devices as Compared to Standard of Care
The purpose of this research is to study the effectiveness and patient experience when measuring visual fields using virtual reality goggles.
- Trial name
- NCT04994457
- Testing
- Virtual Reality Visual Field, Standard Automated Perimetry
- Where
- United States
- Volunteers
- 287 people, healthy volunteers welcome
- Sponsor
- University of Miami
Visual Acuity
Evaluation of On-eye Optical Performances of the RMY-100 Lens
This is a two-arm parallel, non-masked, bilateral, non-dispensing study with one Test arm and one concurrent, non-randomized Control arm to evaluate the one-eye optical performances of the test soft contact lens and compare with…
- Trial name
- NCT03670277
- Testing
- etafilcon A, Habitual Orthokeratology Lenses
- Where
- Canada
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Healthy
An Investigation of Trainees' Performance in Augmented Reality Simulation for Invasive Procedure Training
The primary aim of this study is to measure the efficacy of augmented reality technology in ultrasound-guided medical intervention.
- Trial name
- NCT06055400
- Testing
- AR-US
- Where
- Taiwan
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Shu-Chen Liao
Myopia, Dry Eye Disease (DED)
Study of Eye Fatigue From Digital Screens and Its Impact on Visual Performance in People With Normal Vision and Myopia, With and Without Dry Eye Symptoms and Signs
The goal of this observational study is to investigate the effects of eye fatigue induced by screen task on dry eye disease (DED) signs and symptoms, visual performance, and visual behavior in young adults with and without DED…
- Trial name
- RReye (NCT07844408)
- Testing
- Eye Exams, Ocular Biometry and Aberrometry, Wearing a Smartwatch
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Essilor International
Aging, Cognitive Performance
Visual Stimulus-Based Cognitive-Motor Agility Exercise in Older Adults
This randomized controlled trial examined the effects of adding a brief visual stimulus-based cognitive-motor agility exercise component to a multicomponent exercise program in community-dwelling older adults.
- Conditions
- Aging, Cognitive Performance, Psychomotor Performance, Exercise
- Trial name
- NCT07714148
- Testing
- Multicomponent Exercise Program, Visual Stimulus-Based Cognitive-Motor Agility Exercise, Time-Matched Low-Intensity Activities
- Where
- Turkey (Türkiye)
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Çanakkale Onsekiz Mart University
Central Vision Loss From Macular Diseases
Training to Modify Fixational Eye Movements for Optimizing Visual Performance in People With Central Vision Loss
People with central vision loss almost all have exaggerated fixational eye movements when compared with people with normal vision (e.g. larger amplitudes of microsaccades and ocular drifts).
- Trial name
- NCT06670989
- Testing
- Fixation training
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Visual Acuity
Clinical Study to Evaluate the Visual Performance of Three Multifocal IOLs
The purpose of this study is to compare the performances of 2 bifocal IOLs and 1 trifocal IOL for far, near and intermediate vision.
- Trial name
- NCT02990689
- Testing
- Trifocal Intraocular Lens, Bifocal Intraocular Lens, Low Addition Bifocal Intraocular Lens
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
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.