Clinical trials: Visualization
Myopia
Eye Length Signal With Myopia Control
Myopia, considered as a global epidemic, is rapidly rising in prevalence especially in east Asian countries. Younger ages are associated with greater annual progression and thus early onset myopia is likely to result in higher…
- Trial name
- NCT04813640
- Testing
- Spectacles
- Where
- Vietnam
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision Institute
Presbyopia
Safety & Efficacy of the Laser Scleral Microporation Procedure (Philippines)
A minimally invasive procedure for treating presbyopia is being evaluated to determine if there is improvement in near and intermediate vision after treatment.
- Trial name
- NCT04151550
- Testing
- Bilateral Laser Scleral Microporation procedure
- Where
- Philippines
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- ACE Vision Group, Inc.
Dystonic Disorder
Sensory Training to Treat Focal Dystonia
This study will examine the effectiveness of Braille reading as a sensory training program for improving symptoms of focal (localized) dystonia, a movement disorder caused by sustained muscle contractions.
- Trial name
- NCT00006336
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Social Anxiety, Social Phobia
The Efficacy of Prospective Mental Imagery in Enhancing Approach Motivation Among Socially Anxious Individuals
The efficacy of an online intervention aimed at enhancing approach motivation and behavioral engagement in confronting anxiety-inducing social situations is examined among individuals with elevated social anxiety.
- Trial name
- NCT06977087
- Testing
- Psychoeducation, Prospective Mental Imagery, Verbal Reasoning
- Where
- Germany
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Philipps University Marburg
Cholecystitis
Establishing Visualization Grading Scale on LESS Cholecystectomy
Essential to laparoscopic operations is adequate visualization. Unfortunately there is no grading system to assess the degree or quality of visualization.
- Trial name
- NCT02264444
- Testing
- Cholecystectomy visualization
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Florida Hospital Tampa Bay Division
Visual Acuity
Ophthalmologic Examinations After Infusion of ZK200775
ZK 200775 is an antagonist at the α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA) receptor and had earned attention a possible neuroprotective agent in cerebral ischemia.
- Trial name
- NCT00999284
- Testing
- ZK200775, Sodium Chloride
- Where
- Germany
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Presbyopia
Safety and Effectiveness Study of the AcuFocus Corneal Inlay ACI 7000PDT in Presbyopes
The purpose of this study is to determine if the AcuFocus Corneal Inlay ACI 7000PDT will provide an effective method for the correction of presbyopia in patients who have normal distance vision but need a correction such as…
- Trial name
- ACI (NCT00819299)
- Testing
- AcuFocus Corneal Inlay ACI 7000PDT
- Where
- 15 sites in United States
- Volunteers
- 359 people, healthy volunteers welcome
- Sponsor
- AcuFocus, Inc.
Motor Activity
Motor Imagery Intervention for Improving Gait and Cognition in the Elderly
The investigators propose a single-blind randomized clinical trial to determine if seniors show improved mobility (walking speed) and cognition following motor imagery (imagined walking) training.
- Trial name
- NCT02762604
- Testing
- Imagined Gait Intervention, Visual Imagery Intervention
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Albert Einstein College of Medicine
Dry Eye, Visual Acuity
Treating Lid Wiper Epitheliopathy
Lid wiper epitheliopathy (LWE) is a relatively new entry into the abundance of clinical ocular surface health signs. LWE was first reported in 2002 as a potential cause for dry eye disease (DED) (Korb et al., 2002).
- Trial name
- TLWE (NCT06671041)
- Testing
- Preservative Free eye drop
- Where
- 4 sites in United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Southern College of Optometry
Asymptomatic Subjects, Painfree Voluntiers
Effects of Motor Imagery and Action Observation on Electromyographic Activity and Intramuscular Oxygenation in the Hand Gripping Gesture
Motor imagery is defined as a dynamic mental process of an action, without its real motor execution. Action observation training consists of watching an action performed by someone else.
- Conditions
- Asymptomatic Subjects, Painfree Voluntiers, Neuroscience
- Trial name
- NCT03324217
- Testing
- Mental Practise
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de Madrid
Knee Osteoarthritis, Limitation, Mobility
The Effect of Graded Motor Imagery on Pain and Function in Individuals With Knee Osteoarthritis
The aim of this study is to investigate whether Graded Motor Imagery (GMI) application is as effective as Transcutaneous Electrical Nerve Stimulation (TENS) in individuals with knee osteoarthritis (OA).
- Trial name
- NCT05925517
- Testing
- Graded Motor Imagery (GMI), Transcutaneous Electrical Nerve Stimulation (TENS), Conventional Physiotherapy Program
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Artvin Coruh University
Familial Mediterranean Fever
The Movement Imagery Ability in Patients With Familial Mediterranean Fever
Motor imagery is the mental representation of movement without any doing body movement. A main function of imagery is to aid the self-regulation of thoughts, feelings, and behaviours.
- Trial name
- NCT04729218
- Testing
- movement imagery ability
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medipol University
Recruitment of Participants
Study of the Correlation Between Preoperative Precise Biometrics, Spatial Assessment and Postoperative Visual Quality in Cataract Patients
This study summarizes the experience of precision treatment and postoperative management of various types of cataract, and intend to further improve the quality of Clinical Cataract diagnosis and treatment.
- Trial name
- NCT04833491
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Light Flashing Effects
Study of the Effects of Light Flashes on the Visual System
Background The goal of this study is to examine the human visual and cognitive performance under the effect of bright light pulses.
- Trial name
- NCT02629471
- Testing
- response time due to light flash pulses
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- LightGuard
Therapeutic Exercise, Motor Imagery
Mental Practice and Therapeutic Exercise in Young Nulliparous Women
Mental practice (both in isolation and also in combination with real practice) has been shown to improve somatosensory and motor variables but so far no study has taken it into the study of women's health.
- Conditions
- Therapeutic Exercise, Motor Imagery, Action Observation
- Trial name
- NCT06073210
- Testing
- Motor Imagery plus therapeutic exercise, Action observation plus therapeutic exercise
- Where
- Spain
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Quality Control, Validation Study
Comparison of Four Methods for Entering the Gap Position of Landolt Cs
The aim of this study is to investigate and compare the validity of four different input methods for Landolt Cs, i.e. the proportion of correct gap positions in relation to the total number of performances.
- Trial name
- LC_Entry (NCT04299659)
- Testing
- Landolt C entry method
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Aalen University
Echocardiography
Learning Curve CUSUM of LV Ejection Fraction by Visual Estimation in Novice Practitioners
This retrospective, cross-sectional cohort study was conducted to investigate the novice practitioners' learning curve of visual estimation of LV ejection fraction (%) through a echocardiographic video files at the academic…
- Trial name
- LCCUSUMLVEF (NCT02866318)
- Testing
- Echocardiography
- Where
- South Korea
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hanyang University
Stroke, Cognitive and Attention Disorders and Disturbances
The RenAtt Method for Diagnosing and Treating Attention Problems After Stroke and Brain Injury, Further Validation of RehAtt® DiSTRO Assessment of Cognitive and Visual Function
Stroke is one of the most common long-term disabilities in the world. Despite better access to more effective acute treatment, WHO reports a prediction of almost a doubling of disability-adjusted life-years (DALYs) in 2050.
- Conditions
- Stroke, Cognitive and Attention Disorders and Disturbances, Digital Health, Screening Strategy
- Trial name
- NCT07762274
- Testing
- Oxford Cognitive Screen
- Where
- 3 sites in Italy, Sweden and 1 more
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Umeå University
Cataract
Clinical Trial to Evaluate the Model SC9 IOL Compared to the Model LI61SE IOL (Bausch & Lomb)
To evaluate the Model SC9 Intraocular Lens for the improvement of near and intermediate vision when compared to a legally marketed monofocal IOL.
- Trial name
- NCT03179397
- Testing
- Model SC9, Model LI61SE
- Where
- 13 sites in United States
- Volunteers
- 338 people, healthy volunteers welcome
- Sponsor
- CORD, LLC
Routine Endoscopy
Study Comparing Flexible Spectral-Imaging Color Enhancement (FICE) With Olympus Narrow Band Imaging (NBI)
The study is intended to test the image quality of the FICE system to the predicate device, Narrow Band Imaging (NBI). The hypothesis is the images are of equal quality.
- Trial name
- FICE (NCT02005393)
- Testing
- FICE Image Acquisition followed by NBI Image Acquisition
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fujifilm Medical Systems USA, Inc.
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.