Clinical trials: Visual Performance
Dietary Supplementation
Consumption of 4D Dietary Supplement on Perceptual-Cognitive and Visual-Motor Performance
The purpose of this investigation is to determine if supplementation with the 4D dietary supplement impacts perceptual-cognitive and visual-motor skills in healthy individuals.
- Trial name
- NCT04988919
- Testing
- 4D
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Central Florida
Visual Function
A Performance Study Comparing the EyeMirage (Test Device) to Standard of Care (Reference Device) in Patients 18 to 65 Years of Age Undergoing Standard Eye Examinations Such as Visual Acuity, Visual Field, Color Vision, and Self-Paced Saccade for Various Conditions
This study will assess the effectiveness and accuracy of results of a new device for eye function testing. This will be done by comparing results of four eye tests that are done through the current standard used in eye clinics…
- Trial name
- NCT06908967
- Testing
- EyeMirage device
- Where
- 4 sites in Canada
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Neuroptek Corporation Inc.
Infertility
Intracervical Block Versus Placebo to Assess Pain Control During Hysterosalpingogram
The purpose of this study is to compare the efficacy of 1% lidocaine intracervical block to placebo for pain control during the performance of a hysterosalpingogram (HSG).
- Trial name
- NCT00372658
- Testing
- 1% Lidocaine intracervical injection
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- 59th Medical Wing
Cognitive Impairment, Mood Disorders
Performances of a Brief Assessment Tool for the Early Diagnosis of Geriatric Syndromes by Primary Care Physicians
The AGE (Active Geriatric Evaluation) aims to develop a brief assessment tool adapted to the primary care setting.
- Conditions
- Cognitive Impairment, Mood Disorders, Urinary Incontinence, Malnutrition
- Trial name
- NCT01816087
- Testing
- brief geriatric assessment
- Where
- Switzerland
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
In-plane Ultrasound-guided Regional Anesthesia Performance
Trial on the Effects of Ultrasound Probe Position on Ultrasound-guided Nerve Blocks
Ultrasound has been used to guide a needle to inject local anesthetics around nerves. This is usually done in the same plane as the ultrasound beam in America and is known as an in-plane technique.
- Trial name
- NCT01690156
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Caries, Diagnoses Disease
Evaluation of Caries Detection Methods
The investigators aim will be to compare the diagnostic performance of clinical visual examination (ICDAS II), intraoral/bite wing radiography (BW), near infrared light transillumination (NIR-LT), and laser fluorescence (LF), in…
- Trial name
- NCT05064566
- Testing
- caries assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Nazan Kocak Topbas
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
Labor Pain
Color Doppler to Confirm Epidural Catheter Positioning in Parturient
The aim of this study is to calculate the sensitivity and specificity of using color Doppler with pulsed wave Doppler to accurately detect the position of epidural catheter
- Trial name
- NCT05606952
- Testing
- Color Doppler
- Where
- Egypt
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Cataract
Evaluation of a Monofocal Intraocular Lens
The aim of this study is to investigate the 3-month visual performance of the CT LUCIA 621P IOL, a hydrophobic aspheric monofocal IOL with a non-constant aspheric optic profile in adult patients 50 years of age or older who are…
- Trial name
- PRECISE (NCT06428955)
- Testing
- CT LUCIA 621P
- Where
- 3 sites in United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Dry Eye Symptoms, Visual Performance
Evaluate the Ability of Systane Ultra to Improve Subjective Symptoms of Ocular Irritation Post 60 Min. Athletic Performance.
The primary objective of this study is to compare visual degradation in a stressed (forced stare) environment in patients before and after acute administration of Systane Ultra.
- Trial name
- NCT00938951
- Testing
- Systane® Ultra
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Cognitive Performance, Sleep Quality
The Effect of Caffeinated Chewing Gum on Cognitive Performance in Night-shift Emergency Physicians
This study aimed to examine the impact of caffeinated chewing gum on the cognitive performance of night-shift emergency physicians in a partially sleep-deprived state.
- Trial name
- NCT06693505
- Testing
- caffeinated chewing gum
- Where
- Taiwan
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Wrestling
The Impact of Meaningful vs. Neutral Symbol Visualization on Sport-Related Performance
The study will provide preliminary information for sport psychology and performance research by examining the relationship among symbolic meaning, physiological response, psychological response, and performance-related measures.
- Trial name
- WRE (NCT07843394)
- Testing
- Meaningful Symbol Visualization, Neutral Symbol Visualization
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Tyson Perez, DC, PhD
Functionality of Experimental Contact Lens
Ocular Adaptation and Visual Performance for Accommodative Contact Lens
Presbyopes (people who might have a significant loss of their ability to accommodate their crystalline lens in the eye) will be recruited to wear a test lens and perform typical clinical tests of visual acuity with different…
- Trial name
- ACL (NCT02923232)
- Testing
- Accommodative contact lens
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Pacific University
Visual Acuity
Clinical Performance Evaluation of Two Silicone Hydrogel Lenses
This is a randomized, double-masked dispensing study where subjects will randomized into one of two lens sequences to wear each of two contact lens types for a 4-week period with each lens type.
- Trial name
- NCT02756078
- Testing
- TEST Contact Lens, CONTROL Contact Lens
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cognitive Performance, Balance
RHBS Brain and Balance Study of Older Adults
Brief Summary: Cognition and balance are known to decline during the aging process. Cognitive performance is essential for functional independence and determines whether an individual can perform instrumental daily living…
- Trial name
- NCT04796870
- Testing
- Online Brain and Balance Training Program
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- George Mason University
Athletic Performance Enhancement, Neuromuscular Performance in Athletes
Acute Effects of Neuroathletic Training-Integrated Resistance Training in Collegiate Athletes
This study investigated the acute and short-term effects of neuroathletic training (NAT)-integrated resistance training compared with conventional resistance training on physical and neuromuscular performance in collegiate…
- Conditions
- Athletic Performance Enhancement, Neuromuscular Performance in Athletes, Physical Performance
- Trial name
- NAT-RT (NCT07782606)
- Testing
- Conventional Lower-Extremity Resistance Training, Neuroathletic Training-Integrated Resistance Training
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Ankara Yildirim Beyazıt University
Refractive Assessment
ACRYSOF® Restor Apodized Diffractive IOL Postmarket Evaluation of Clinical Outcomes and Life-Style Visual Performance RESTOR IOL SN60WF IOL (Control Group)
The objective of the research on the Restore Intra Ocular Lens Implant (IOL) is to determine the clinical visual outcomes following bilateral implantation of the IOL compared to a control IOL and to demonstrate what percentage of…
- Trial name
- NCT00345111
- Testing
- Clinical visual outcomes of bilateral implantation of Restore Intra Ocular Lens.
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Normal Healthy Eyes
Visual Performance With Spatial Light Modulator
Eye's aberrations have been known to degrade human visual performance and the visual performance is significantly improved when correcting the aberrations in the central visual field.
- Trial name
- NCT05134896
- Testing
- Spatial light modulator
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Houston
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
Cataract, Lens Opacities
Visual Performance, Patient Satisfaction and PCO Rate After Implantation of a Trifocal Hydrophobic IOL
Prospective, controlled, single-surgeon, single-center post-market clinical follow up study to investigate the clinical outcomes of a hydrophobic trifocal IOL (PhysIOL POD F GF)
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1703 (NCT03306342)
- Testing
- IOL implantation experimental
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.