Clinical trials: Visualization
Secondary Caries
Reliability of Secondary Caries Detection Around Composite Restoration Using Light Induced Fluorescence
A total of 29 volunteer patients will be assigned in this study. Each patient should have one resin composite restoration. The restoration will be evaluated by two diagnostic methods (D), where D1 represents visual-tactile…
- Trial name
- NCT03558113
- Testing
- light induced fluorescence intraoral camera
- Where
- Egypt
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Cairo University
Psychological Stress, Palliative Care
Visual Art Therapy on Caregiver Burden
This study aims to determine the effect of Zentangle practice on perceived caregiver burden, stress levels, and burnout among family caregivers of patients receiving palliative care.
- Conditions
- Psychological Stress, Palliative Care, Family Caregivers
- Trial name
- Visual art (NCT07702682)
- Testing
- Visual arts design training program
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Firat 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
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Ophthalmopathy, Artificial Intelligence
Validation of the Utility of an Intelligent Visual Acuity Diagnostic System for Children
Visual development during early childhood is a vital process. Examining the visual acuity of children is essential for the early detection of visual abnormality, but performing such an assessment in children is challenging.
- Trial name
- NCT03766737
- Testing
- An intelligent visual acuity diagnostic system for children
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Tinted Contact Lense
Effect of the Pigment-free Optical Zone Diameter of Decorative Tinted Soft Contact Lenses on Visual Function
Investigators planned to investigate changes in visual function after wearing decorative tinted soft contact lenses with different pigment-free optical zone diameters.
- Trial name
- NCT02537275
- Testing
- EyeLIKe Callamatch II, Koryo Eyetech Co, Seoul, Korea, EyeLIKe Shine, Koryo Eyetech Co
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Dental Caries in Children
Comparison of Early Caries Detection in Children Utilizing an Electrical Conductance Device and the Gold Standard of Visual-tactile Technique.
The purpose of this study is to evaluate a methodology for detecting early forming cavities in children that is more accurate and reliable than the gold standard used by dentists around the world.
- Trial name
- NCT02002728
- Where
- Venezuela
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ortek Therapeutics, Inc.
Age Related Macular Degeneration
Study Evaluating Retinal Health Monitoring System Visual Acuity Module.
Assess the performance and usability of the RHMS Visual Acuity Module.
- Trial name
- NCT04169802
- Testing
- Retinal Health Monitoring System Visual Acuity Module, Sloan letter, logarithmic near visual acuity chart (Reference Chart)
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
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
Glaucoma
Variability in Perimetry Study
Improved Assessment of Visual Field Change is a trial aimed at investigating mechanisms of visual field testing variability. The investigators have found using larger stimulus size substantially lowers short-term variability.
- Trial name
- VIPII (NCT01051739)
- Testing
- Comparison of four visual field testing strategies
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Stroke
Muscle Oxygenation in Stroke Patients
In addition to its many effects, physical movement is known to change both systemic blood circulation and muscle blood flow. In a study examining the effects of motor imagery, which produces effects similar to physical movement…
- Trial name
- NCT06106542
- Testing
- assessment
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Bandırma Onyedi Eylül University
Cognitive Orientation
Effects Of Stroboskobic Visual Training On Cognitive Performance in Adolescent Male Volleyball Players.
Objective: To determine the effects of a stroboscopic training program on cognitive function in adolescent male volleyball players.
- Trial name
- NCT07162545
- Testing
- stroboskopic visual training
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Glaucoma
Assessment of Ability Related to Vision
To determine the clinical usefulness of a refined third-generation instrument - The Assessment of Ability Related to Vision (AARV) in establishing the amount of disability, charting the detrimental effects of progressive disease…
- Trial name
- AARV (NCT01027312)
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Myopia
Effects of Autostereoscopic 3D Visual Training on Binocular Vision Function of Myopes
This study intends to conduct a relatively comprehensive binocular visual function examination and follow-up on two groups of myopic subjects, one receiving autostereoscopic 3D vision training and the other receiving 2D vision…
- Trial name
- NCT06266910
- Testing
- Visual training video
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Prodromal Schizophrenia, Psychotic Episode
REtinal and VIsual Cortical Response in Early PSYchosis
The purpose of the REVIPSY study is to measure retinal and the visual cortical electrophysiological responses in situations at risk of psychosis in patients who have experienced a first psychotic episode.
- Conditions
- Prodromal Schizophrenia, Psychotic Episode, Prodromal Symptoms, Healthy Controls
- Trial name
- REVIPSY (NCT05167396)
- Testing
- Retinaute (BioSerenity), EEG Headset 64 electrodes (BioSemi), MonPackOne (Metrovision)
- Where
- France
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Centre Psychothérapique de Nancy
Blindness and Low Vision
Blueberry Effects on Dark Vision and Glare Recovery
Clinical evidence for effects of plant anthocyanins on vision, and particularly night vision is controversial. Two clinical trials were conducted to investigate whether blueberry juice consumption affected visual dark adaptation…
- Trial name
- NCT01942746
- Testing
- Blueberry Juice S2, Blueberry Capsules S2, Blueberry Juice L1
- Where
- Canada
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Atlantic Food and Horticulture Research Center
Endoscopy
Endoscopy Quality Study
This study seeks to establish factors that influence the view at endoscopy. To achieve this patients, who have been already booked for endoscopy, will complete a questionnaire prior to their procedure.
- Trial name
- NCT03351790
- Testing
- Questionniare only
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Sandwell & West Birmingham Hospitals NHS Trust
Visual Acuity
Clinical Evaluation of Investigational Contact Lenses
Single-visit, unmasked, non-dispensing study where subjects will wear three different lenses bilaterally in one visit, each lens being worn for approximately 30-60 minutes.
- Trial name
- NCT02801396
- Testing
- Etafilcon A Design 1 (Test 1), Etafilcon A Design 2 (Test 2), Etafilcon A (Control)
- Where
- Hong Kong
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Glaucoma, Open-Angle
Visual Field Defect Estimation Using Sequentially Optimized Reconstruction Strategy on Healthy and Glaucoma Subjects
Perimetry is a well-established method that is used to measure the visual field functions of humans. Commercially available products, such as the OCTOPUS 900 (Haag-Streit AG, Koeniz, Switzerland), are commonly used for assessing…
- Trial name
- NCT03325751
- Testing
- Visual field testing
- Where
- Switzerland
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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