Clinical trials: Visual Performance
Myopia, Progressive
Myopia-control Efficacy by Peripheral Defocus Lens (PDL)
The proposed study below aims to assess the effect of customized Bestivue PDL lenses on retinal image quality and myopia control. A total of 160 subjected would be enrolled in and randomized to allcoate into four groups.
- Trial name
- NCT05373693
- Testing
- Single vision lens, +2D PDL, +3D PDL
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Presbyopia, Refractive Error
Dispensing Study to Assess the Visual Performance of Optimised Prototype Contact Lenses
The aim of this study is to assess the visual performance of multiple optimised prototype soft contact lens designs compared to commercially available contact lenses.
- Trial name
- NCT02484586
- Testing
- Etafilcon A, Nelfilcon A, Nesofilcon A
- Where
- Australia
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Cognitive Function
Influence of Eggs on Cognitive Performance
This clinical trial aims to evaluate the nutrients in eggs in healthy adult's cognitive performance. The main questions it aims to answer are: How do the nutrients in eggs impact visual cognitive performance (VCP) in generally…
- Trial name
- NCT06465888
- Testing
- egg whites, whole eggs, Omega-3 eggs
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Cataract
Effect of Blue Light Filtration on Visual Performance
The purpose of this study is to evaluate photostress recovery with blue light filter clip-on glasses among pseudophakes [ie, subjects in which the natural lens of the eye has been replaced with an artificial lens (intraocular…
- Trial name
- NCT01938989
- Testing
- Clear clip-on glasses, Blue light filter clip-on glasses
- Volunteers
- 158 people
- Sponsor
- Alcon Research
Visual Acuity, Accommodation
Evaluation of the Protective Effects of Cordyceps Cicadae on Visual Function and Anti-Fatigue Performance in Esports Athletes
The objective of this study is to evaluate, through a clinical human consumption trial, the effects of taking two capsules (each containing 250 mg of Cordyceps cicadae mycelium, for a total intake of 500 mg per dose) of Grape…
- Conditions
- Visual Acuity, Accommodation, Dry Eye
- Trial name
- NCT07135193
- Testing
- Cordyceps cicadae, Blank control
- Where
- Taiwan
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Unilateral Transfemoral Amputation, Unilateral Knee Disarticulation
Real-time Motion Capture and Visual Feedback for Amputation Gait Training
People with transfemoral amputation face challenges such as gait asymmetry, instability, and increased energy consumption due to loss of the knee joint.
- Trial name
- NCT07049198
- Testing
- Real-time 2D motion capture and visual feedback system gait training, Conventional physical therapy group
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Yang Ming Chiao Tung University
Visual Performance, Heart Rate Response
Acute Effects of Randori and Yakusoku Geiko in Young Judokas
This study will compare the immediate effects of two common judo practice methods, randori and yakusoku geiko, on visual-motor performance and heart rate in young male judokas.
- Conditions
- Visual Performance, Heart Rate Response, Judo Performance
- Trial name
- NCT07798622
- Testing
- Randori, Yakusoku Geiko
- Where
- Turkey (Türkiye)
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Bogazici University
Intervertebral Disc Degeneration
Safety and Performance of the Hexanium TLIF System in the Treatment of Degenerative Disc Disease
The goal of this observational study is to confirm the safety and efficacy of the Hexanium TLIF system in the treatment of skeletally mature patients suffering from degenerative disc disease (disease that occurs when the spinal…
- Trial name
- TLIF (NCT05997121)
- Testing
- Transforaminal lumbar interbody fusion
- Where
- 6 sites in France, Switzerland
- Volunteers
- 187 people
- Sponsor
- SPINEVISION SAS
Cataract, Lenses, Intraocular
Effect of Intraocular Lens (IOL) Centration and Tilt on Visual Performance With Clareon® Vivity® IOL Implantation
The goal of this observational study is to assess the effect of intraocular lens (IOL) movement in patients who have undergone Clareon® Vivity® IOL implantation.
- Trial name
- NCT05827133
- Testing
- No intervention
- Where
- United States
- Volunteers
- 101 people
- Sponsor
- East Coast Institute for Research
Cataract, Presbyopia
The Visual Performances of a Progressive Multifocal Intraocular Lens With Extended Depth of Focus
The purpose of this observational, non-controlled, multicenter trial with a retrospective design is to evaluate the visual performance of one cohort of patients who received the EDOF MINI WELL® intraocular lenses following…
- Trial name
- NCT02740010
- Testing
- EDOF Mini WELL Ready IOL
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- SIFI SpA
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
Cataract, Presbyopia Correction
Visual Quality and Performance of Eyes With Asqelio™ EDoF Toric Lenses
This study evaluates the optical quality and clinical performance of the Asqelio™ EDOF Toric intraocular lens (IOL) in patients undergoing cataract surgery or refractive lensectomy.
- Trial name
- NCT06707545
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- AST Products, Inc.
Suspected Grade III and IV Gliomas Requiring Surgical Intervention, Neurosurgical Procedure
Leica Microsystems Sponsored PMCF Study to Collect and Confirm Clinical Data on the Performance of the GLOW400 Device When Used in Accordance With Its Intended Use
This post-market clinical follow-up (PMCF) study aims to confirm the safety and performance of the GLOW400 surgical microscope accessory when used in conjunction with the ARveo8x surgical microscope.
- Conditions
- Suspected Grade III and IV Gliomas Requiring Surgical Intervention, Neurosurgical Procedure, Glioma, Glioblastoma (GBM)
- Trial name
- IMED-GLOW400 (NCT07366892)
- Testing
- GLOW400 is a digital surgical microscope accessory used in fluorescent visualization of suspected grade III or IV gliomas during neurosurgery.
- Where
- 2 sites in Portugal, Switzerland
- Volunteers
- 37 people
- Sponsor
- Leica Microsystems (Schweiz) AG
Arthroplasty, Replacement
Knee Connect: Physiotherapy Exercise Performance With Visual Feedback After Total Knee Arthroplasty
The main objective of this pilot study is to determine if using a portable, accelerometer based, visual feedback system improves exercise quality.
- Conditions
- Arthroplasty, Replacement, Knee
- Trial name
- NCT03738384
- Testing
- Knee Connect + Visual Feedback System
- Where
- Canada
- Volunteers
- 10 people
- Sponsor
- Sunnybrook Health Sciences Centre
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
Migraine, Photophobia
Impact of Optimized White Light on Visual Discomfort, Headache Intensity, and Cognitive Performance Among Those With Migraine
The goal of this research is to study how effective an optimized white light is for improving visual comfort and reducing migraine symptoms.
- Conditions
- Migraine, Photophobia, Cognitive Function Assessment, Headache
- Trial name
- NCT07898722
- Testing
- Optimized Ambient White Light, Conventional White Light
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Simulation Training, Perception
Visual Perception Exploration Using Eye-tracking Technology in High-fidelity Medical Simulation
The aim of this observational study is to compare the visual interests between residents in high-fidelity simulation practice
- Conditions
- Simulation Training, Perception, Eye Movements, Task Performance and Analysis
- Trial name
- NCT03049098
- Testing
- Simulation
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Issam Tanoubi
Cognitive Function, E-sports Performance
Visual Training Effects in Esports Players
This randomized controlled study aims to investigate the acute effects of a single session of web-based visual training on balance, reaction time, and cognitive function in professional e-sports players.
- Conditions
- Cognitive Function, E-sports Performance, Reaction Time, Balance
- Trial name
- NCT07570693
- Testing
- Web-Based Visual Training
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Balikesir University
Cataract
Vivity Insight: A Study of Patient Satisfaction and Visual Performance
This will be a single arm, open-label, prospective study of patient-reported outcomes of patients with bilateral implantation of the Vivity or Vivity Toric implant.
- Trial name
- NCT04495049
- Testing
- Alcon Vivity or Vivity Toric IOL
- Where
- 3 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
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