Clinical trials: Visual Functions
Cognitive Change, Processing, Visual Spatial
Effects of a Complex, Partnered Martial Arts-based Intervention on Cognitive Function
The investigators' study is designed to test whether brief exposure to a martial arts-based intervention (a coordinative, partnered training exercise known as "Hubod"), can improve cognitive function to a greater degree than…
- Conditions
- Cognitive Change, Processing, Visual Spatial, Inhibition (Psychology), Working Memory
- Trial name
- HUBOD (NCT04760054)
- Testing
- HUBOD, Active Comparator, Control Condition
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy
Healthy Little Eyes
The purpose of this research study is to gather more information on how eye injury is related to a baby's future development and see if eye function and brain test results can be used, along with current measures, to better…
- Conditions
- Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy, Encephalopathy
- Trial name
- NCT05971446
- Testing
- Visual Evoked Potential (VEP), Electroretinogram (ERG)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Sensory Deficits
Falls Prevention: Gait-Synchronized Vibration System
The purpose of this study is to develop an abnormal gait detection algorithm and a vibratory stimulation system on a lower limb to improve gait stability and prevent falls.
- Trial name
- NCT02635113
- Testing
- Gait Synchronized Vibration System
- Volunteers
- healthy volunteers welcome
- Sponsor
- NYU Langone Health
Rhinosinusitis Chronic, Bleeding
This Study Aims to Assess the Impact of 50°C Saline Irrigation on the Overall Intraoperative Blood Loss and Surgical Visualization During Endoscopic Sinus Surgery for Rhinosinusitis.
Objectives: Intraoperative bleeding during endoscopic sinus surgery for severe rhinosinusitis may significantly compromise the surgical field.
- Trial name
- NCT07627789
- Testing
- Hot saline irrigation, Room-temperature saline irrigation
- Where
- Poland
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Military Institute of Aviation Medicine
Cervical Dystonia
Static Graviceptive Functions in Patients With Cervical Dystonia (CD)
The purpose of this experimental pilot study is to test the effect of normalization of the head position on the sense of balance at patients with cervical dystonia under routine botulinum toxin treatment.
- Trial name
- NCT01180270
- Where
- Austria
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Kirsten Elwischger
Primary Glaucoma, Glaucoma Suspect
Development of the Glaucoma Visual Functioning Questionnaire-40 and Its Psychometric Properties
The objective of this study is to develop and test the psychometric properties of a self-report questionaire, the Glaucoma Visual Functioning Questionnaire-40 (GVFQ-40), which was designed to measure the difficulty of daily…
- Trial name
- NCT04722861
- Testing
- GVFQ-40
- Where
- China
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
Sports Physical Therapy, Stroboscopic Visual Training
The Effects of Visual Input on Cognitive Function, Physical Performance, and Postural Stability in Adolescent Male Basketball Players
The aim of this study is to investigate the effects of exercises performed with stroboscopic glasses-recently gaining popularity in sports-on cognitive function, physical performance, and postural stability, which are among the…
- Conditions
- Sports Physical Therapy, Stroboscopic Visual Training, Cognitive Function, Physical Performance
- Trial name
- NCT07168681
- Testing
- Control group
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Congenital Cataracts
Effects of Visual Reconstruction on Brain Function and Structure in Children With Congenital Cataract
Children have considerable plasticity of the visual system during the formation and maturation of various visual functions at different ages. Congenital cataracts are the leading cause of treatable blindness in children.
- Trial name
- NCT05527925
- Testing
- MRI
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Schizophrenia, Art Therapy
Vısual Arts Group Therapy Based On Watson's Human Care Model In Indıvıduals Wıth Schızophrenıa
Purpose: This study was conducted to evaluate the effect of Visual Arts Group Therapy based on Watson's Human Care Model (VAGT-WHCM) on perceived social support and functional improvement in individuals with schizophrenia.
- Conditions
- Schizophrenia, Art Therapy, Social Support
- Trial name
- VAGT-WHCMIS (NCT05954208)
- Testing
- Vısual Arts Group Therapy Based On Watson's Human Care Model, Ongoing treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Gazi University
Microsurgery, Binocular Visual Function
Application and Safety Evaluation of 3D Visualization System in Microsurgical Training
Based on the relative shortage of ophthalmic surgeons in China, the long micromanipulation cycle and the existing micromanipulation training methods have their own limitations, such as traditional operating in porcine eyes…
- Conditions
- Microsurgery, Binocular Visual Function, Nervous System
- Trial name
- NCT05865860
- Where
- China
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Vision, Balance and Falls in Older Adults
Can Entertaining Action-video Games Enhance Dynamic Visual Function and Improve Balance? A Randomized Controlled Trial.
This project is aimed to find out whether action video games can enhance dynamic visual function and improve balance function in the community-dwelling older adults.
- Trial name
- NCT02252874
- Testing
- Slow-paced action video game, Fast-paced action video game, Control
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Eye Movements, Attention
An Investigation of Attentional and Inhibitory Processes During Active Visual Search in Humans
The goal of this study is to investigate the finding that there are large individual differences in how participants move their eyes during active visual search.
- Conditions
- Eye Movements, Attention, Executive Function
- Trial name
- NCT06587113
- Testing
- Contour Search Task, Stop signal Task, Useful field of View
- Where
- United States
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Ametropia
The Effects of Contact Lenses With Experimental Dye on Visual Function
This is a single-site, two-visit, contralateral, non-dispensing, randomized, controlled and subject-masked study to measure potential benefits of the new UV blocker.
- Trial name
- NCT03556579
- Testing
- senofilcon A with new UV blocker, senofilcon A
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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
Overweight
Enriched Yogurts With Soluble Fibre or Vegetable Protein on Satiety
The purpose of this study is to evaluate the satiating effects of different functional yogurts enriched with soluble fiber or vegetable protein on overweight subjects (BMI ≥25 and <30 kg / m2).
- Trial name
- SACIYOGU (NCT03625245)
- Testing
- Control Yogurt, Yogurt Variety 1, Yogurt Variety 2
- Where
- Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Instituto de Investigación Hospital Universitario La Paz
Visual Fatigue, Myopia
Exploring the Impact of Dynamic Defocus Display Schemes on Ocular Health Indicators
The present study is designed to explore the effects of dynamic defocus display technology on ocular health parameters using rigorous scientific approaches.
- Trial name
- NCT07291856
- Testing
- Dynamic Defocus Mode
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Retinitis Pigmentosa, Retinal Degeneration
The Effects of Cannabis on Visual Functions in Healthy and Retinitis Pigmentosa Patients
Medical Marijuana is used widely, and its effects on the visual system and the function of the retina have not been investigated thoroughly.
- Conditions
- Retinitis Pigmentosa, Retinal Degeneration, Cannabis
- Trial name
- NCT03078309
- Testing
- cannabis
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Bereavement, Healthy
The Impact of Familiarity and Emotional Attachment on the Visual Processing of Faces
This study uses functional magnetic resonance imaging (fMRI) to look at brain activity while patients view pictures of people's faces that they are familiar with or have emotional attachment to.
- Trial name
- NCT00001913
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Cataract Surgery Deneyimi, Cataract Surgery
Katarak Surgery and Care
Although cataract surgery is an effective treatment method for improving visual function, it is important to evaluate the quality of life, daily living activities, independence level and psychosocial well-being of patients in the…
- Trial name
- NCT07807761
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Eastern Mediterranean University