Clinical trials: Visual Performance
Healthy, Bipolar
Examining Lithium's Mechanism in Bipolar Disorder
The primary objective of the current study is to examine the acute effect of lithium on the visual and non-visual responses to light in a sample of healthy participants.
- Trial name
- HELIOS-BD 2 (NCT07750925)
- Testing
- Lithium carbonate (Priadel), Controlled light exposure
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Northumbria University
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
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
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
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
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
Elderly (people Aged 65 or More)
Leg Press Power Training with Visual Feedback Games Improves Physical, Cognitive, and Heart Health in Seniors
This study investigates the effects of lower limb leg press power training combined with visual feedback games on the physical performance, cognitive function, and heart rate variability (HRV) of older adults aged 65 and above.
- Trial name
- LPPT-VFG (NCT06714175)
- Testing
- Lower Limb Strength Training Program with Visual Feedback
- Where
- Taiwan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University
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
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
Intubation; Difficult or Failed
Use of Alexa as a Cognitive Aid for Emergency Front Of Neck Access (FONA)
The aim of the study is to investigate whether a voice activated cognitive aid can improve performance in a simulated emergency front-of-neck access scenario.
- Trial name
- FONA-A (NCT05635773)
- Testing
- Use of Alexa Visual Cognitive aid
- Where
- United Kingdom
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
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.
Cataract, Presbyopia Correction
Photopic and Mesopic Multifocal IOL Performance
Modern cataract surgery has become a refractive procedure. Both, multifocal lens implantation and pseudophakic monovision with monofocal IOLs are effective means to address presbyopia correction after cataract surgery.
- Trial name
- MIOLRead (NCT06978556)
- Testing
- No intervention is subject of the study. Only standard pre- and postoperative data will be evaluated.
- Where
- Switzerland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- IROC AG
Eye Movements, Visual Perception
The Effects of Rotational Prisms on Badminton Players' Ocular Vergence Training and Enhancement of Shot Accuracy
This randomized controlled trial is designed to investigate whether a novel visual training system can improve eye coordination, reaction time, and hitting accuracy in competitive badminton players.
- Conditions
- Eye Movements, Visual Perception, Psychomotor Performance, Sports
- Trial name
- ADRRPs (NCT07105462)
- Testing
- Arm 1 - Experimental Group Intervention Name: ADRRPs Vergence Training Intervention Description: Participants wore an Automatic Dual Rotational Risley Prism (ADRRPs) headset to perform vergence eye
- Where
- Taiwan
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Athletes, Sports Performance
Neuro-Psychophysiological Characteristics of Athletes With Varying Levels of Experience
This study aims to investigate the effects of an 8-week volleyball-specific stroboscopic training program on neuro-psychophysiological outcomes in female volleyball players with different levels of competitive experience.
- Conditions
- Athletes, Sports Performance, Visual-Motor Processing, Neuro-Psychophysiological Responses in Athletes
- Trial name
- NEPSY-SPORT (NCT07392385)
- Testing
- Stroboscopic Volleyball Training, Conventional Volleyball Training (Control)
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Bozok University