Clinical trials: Visual Functions
Healthy
Test-Retest Variability of Quick Contrast Sensitivity Function Testing
The contrast sensitivity function (CSF) provides a comprehensive characterization of spatial vision and predicts functional vision better than visual acuity, but long testing times prevent its psychophysical assessment in…
- Trial name
- NCT02177669
- Testing
- quick Contrast Sensitivity Function test
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Leber Congenital Amaurosis (LCA), Retinitis Pigmentosa (RP)
Natural History Study in Inherited Retinal Disease Subjects Caused by Mutations in RPE65 or LRAT
To evaluate the natural history of visual function in subjects with IRD phenotypically diagnosed as Leber congenital amaurosis (LCA) or retinitis pigmentosa (RP) caused by RPE65 or LRAT gene mutations.
- Trial name
- NCT02575430
- Testing
- No treatment: retrospective chart review
- Where
- 9 sites in United States, Canada and 5 more
- Volunteers
- 59 people
- Sponsor
- QLT Inc.
Visual Function, Myopia Progressing
Brain Visual Perception Training for Prevention and Control of Premyopia
The goal of this clinical trial is to investigate whether brain visual perception training can effectively prevent myopia in children with pre myopia. It will also learn about the safety of brain visual perception training.
- Trial name
- NCT06585657
- Testing
- brain visual perception training group
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Retinopathy of Prematurity (ROP), Prematurity Complications
Retinopathy of Prematurity - Visual Function and Retinal Structure
Children born prematurely may develop a characteristic retinal disease named retinopathy of prematurity (ROP). This disease could lead to retinal detachment and blindness.
- Conditions
- Retinopathy of Prematurity (ROP), Prematurity Complications, Cerebral Visual Impairment, Visual Field Defect
- Trial name
- NCT07427719
- Where
- Norway
- Volunteers
- 140 people
- Sponsor
- Oslo University Hospital
Asperger Syndrome, High Functioning Autism
Portable Visual Guidance System Phase II
Abstract: In Phase I, we designed and tested a Portable Visual Guidance System (PVGS), which combines a PDA - for user guidance - and an Internet website - for linking the user to an educational support team.
- Trial name
- PVGS-II (NCT00848874)
- Testing
- PVGS
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- Minna Levine, PhD
Functional Dyspepsia
Efficacy of Banhasasim-tang on Functional Dyspepsia
The purpose of this study is to assess efficacy based on Gastrointestinal Symptom score and safety based on the rate of adverse event or laboratory findings of Banhasasim-tang administrated three times a day orally on functional…
- Trial name
- NCT00987805
- Testing
- Banhasasim-tang, Corn-starch granules
- Where
- 2 sites in South Korea
- Volunteers
- 84 people
- Sponsor
- Korea Health Industry Development Institute
Alzheimer Disease, Dementia
Efficacy of Caregiver Training Program in Enhancing Caregiver and Patient Outcomes
As part of Phase II of the NIH SBIR grant, the study will conduct a randomized controlled clinical trial in which the MapHabit system (MHS) will offer a caregiver training product in adjunct.
- Conditions
- Alzheimer Disease, Dementia, Caregiver Burden, Assistive Technology
- Trial name
- NCT05527405
- Testing
- The MapHabit System
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- MapHabit, Inc.
Visual Health of Virtual Reality
Developing and Validating VR-Enabled Ophthalmic Clinics: A New Paradigm for Visual Function Testing
This study aimed to design and validate a VR-based ophthalmic clinic that replicates traditional tests of visual acuity, stereopsis, and contrast sensitivity within an immersive digital environment.
- Trial name
- NCT04530773
- Testing
- Watch VR movies/ Play VR games
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
Eyelid Diseases
Functional Changes After Upper Blepharoplasty
Upper blepharoplasty is a common eyelid procedure. It associated with visual, cosmetic and functional changes .Investigator will evaluate outcome of this procedure.
- Trial name
- NCT04201925
- Testing
- upper blepharoplasty
- Where
- United Arab Emirates
- Volunteers
- 50 people
- Sponsor
- Benha University
Neck Pain
Muscle Energy Technique and Static Stretching on Pain Intensity and Functional Disability in Patients With Mechanical Neck Pain
Neck pain is becoming increasingly common throughout the world with a considerable impact on individuals, communities, health-care systems and businesses (Hoy et al, 2011).Neck pain is a common problem within our society…
- Trial name
- MET&SSinNckp (NCT04350918)
- Testing
- Muscle Enery Techniques, Static Stretching
- Where
- Nigeria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Obafemi Awolowo 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
Gait Disorders, Neurologic, Gait Disorders in Old Age
ExerG: Video Game-based Physical Cognitive Training for Patients: a Usability Study
Video game-based training programs, in the following referred to as "exergames" are an innovative digital training approach to simultaneously train physical and cognitive functions and increase training motivation for various…
- Conditions
- Gait Disorders, Neurologic, Gait Disorders in Old Age, Gait Disorder, Sensorimotor, Balance; Distorted
- Trial name
- ExerGetic (NCT05967078)
- Testing
- ExerG
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- Frank Behrendt
High Myopia, Cataract
Visual Performance of Functional Intraocular Lenses in Cataracts
This is a prospective, multi-center, randomized comparative study. The purpose of the study is to evaluate and compare the postoperative visual outcomes and quality of vision of two diffractive trifocal intraocular lenses (IOLs)…
- Trial name
- NCT05581888
- Testing
- trifocal intraocular lens
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Blue-blocking Glasses
Visual Health Evaluation of New Designed Blue-blocking Glasses
With the widespread use of electronic display devices, the potential hazards of blue light have become an important public health issue.
- Trial name
- NCT06984783
- Testing
- The new type of filtering glasses can efficiently filter out the high-energy blue and green light within a narrow wavelength band.
- Where
- China
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
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.
Vision Functional Brain Networks in Patients With Hereditary Retinal Dystrophies
VIsual Cerebral ConnecTivity On Functional Magnetic Resonance Imaging in Patients With Hereditary REtinal Dystrophies
The Rothschild Foundation A Hospital follows a cohort of approximately 300 patients with hereditary retinal dystrophy. These patients are followed in ophthalmology consultation every year.
- Trial name
- VICTOIRE (NCT04648124)
- Testing
- IRMf-r (séquence resting state)
- Where
- France
- Volunteers
- 200 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Breast Cancer, Shoulder Dysfunction
Effectiveness of a Visual Biofeedback Program Versus Conventional Physiotherapy on Shoulder Mobility, Strength, and Function in Women After Breast Cancer Surgery
This study aims to evaluate the effectiveness of a physiotherapy program incorporating visual biofeedback compared to a conventional physiotherapy program in improving shoulder function in women following breast cancer surgery.
- Trial name
- NCT07542106
- Testing
- Experimental Group: Physiotherapy + Visual Biofeedback
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Extremadura
Age Related Macular Degeneration
Visual Function Tests in Age-related Macular Degeneration
The goal of this study is to assess a battery of visual function tests in subjects with non-exudative age-related macular degeneration
- Trial name
- NCT03275753
- Testing
- Visual Function Tests
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- ORA, Inc.
Visual Snow Syndrome, Neuro-Ophthalmology
Neurofeedback in Visual Snow
Visual snow (VS) is a distressing, life-impacting condition with unrelenting and persistent disturbing visual phenomena. Disease onset is usually around age 20 and is characterized by continuous perception of innumerable…
- Trial name
- NCT04902365
- Testing
- neurofeedback
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Zurich