Clinical trials: Visual Performance
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
Visual Outcome
The Purpose of This Clinical Study is to Evaluate Optimized Maximum Plus for Maximum Visual Acuity (MPMVA) Refractive Technique and Its Effect on Visual Performance.
This is a prospective, multicenter, parallel groups, non-interventional, examiner masked, comparative clinical study. Patients that participated in previous Hoya studies, and patients previous implanted with Hoya non-toric…
- Trial name
- NCT07595432
- Testing
- Non-Interventional Study
- Where
- Philippines
- Volunteers
- 140 people
- Sponsor
- Hoya Surgical Optics, Inc.
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
Visual Field Defect, Peripheral, Visual Field Defect, Nasal Step
Patient Performance and Acceptance of Virtual Reality Visual Field Devices
The purpose of this research is to study the effectiveness and patient experience when measuring visual fields using virtual reality goggles.
- Conditions
- Visual Field Defect, Peripheral, Visual Field Defect, Nasal Step, Visual Field Defect, Paracentral Scotoma of Both Eyes
- Trial name
- NCT04786886
- Testing
- VIrtual Reality Visual Field Exam
- Where
- United States
- Volunteers
- 58 people
- Sponsor
- University of Miami
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
Cataract
Visual Performance of Clareon Vivity and PureSee IOL
This is study to determine the visual performance of patients with age-related cataracts implanted in both eyes with either of two extended depth of focus intraocular lenses, the Clareon Vivity (Alcon Healthcare) or the PureSee…
- Trial name
- PURVI2 (NCT07165197)
- Testing
- Phacoemulsification with implantation of an extended depth of focus intraocular lens
- Where
- Spain
- Volunteers
- 80 people
- Sponsor
- OMIQ Research
Imagery (Psychotherapy), Postural Control
The Effect of Motor Image Training on Balance Performance in Geriatric Individuals
The goal of this study [type of study: clinical trial] is to was planned to investigate the effect of motor imagery training given to geriatric individuals with action observation on their balance performance and to compare these…
- Conditions
- Imagery (Psychotherapy), Postural Control, Postural Balance, Virtual Reality Therapy
- Trial name
- NCT06056180
- Testing
- Balance Training, Motor İmagery Training, Action Observation Training
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people
- Sponsor
- Muğla Sıtkı Koçman University
IOL, Cataract
Visual Performance of Multifocal Intraocular Lenses
To evaluate the clinical outcomes with an extended range of vision (ERV) IOL based on achromatic diffractive technology.
- Trial name
- NCT04913792
- Testing
- ZXR00
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Wenzhou 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
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
Presbyopia, Refractive Error
DAILIES® AquaComfort Plus® Multifocal (MF) - Comparative Assessment of Visual Performance
The purpose of this study is to evaluate the visual performance of DAILIES® Aqua Comfort Plus® (DACP) MF contact lens using new objective measurements.
- Trial name
- NCT02235831
- Testing
- Nelfilcon A MF contact lenses (DACP MF), Nelfilcon A single vision contact lenses (DACP)
- Volunteers
- 24 people
- Sponsor
- Alcon Research
PARKINSON DISEASE (Disorder), Dysphagia
Effortful Swallow Exercise With Visual Biofeedback for Tongue Strength in Parkinson's Disease
The goal of this clinical trial is to learn whether adding visual biofeedback to an effortful swallow exercise program improves tongue strength and swallowing function in adults with Parkinson's disease.
- Trial name
- NCT07906028
- Testing
- Effortful swallow exercise with visual biofeedback, Effortful swallow exercise without visual biofeedback
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people
- Sponsor
- Saglik Bilimleri Universitesi
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
Cystoscope, Bladder Cancer
Single-use Cystoscope System for Direct Visualization of the Urethra and Bladder
In this study, the new aScope 4 Cysto is used to see how well it visualizes the lower urinary tract, and if this new flexible cystoscope performs as well as other routinely used cystoscopes.
- Conditions
- Cystoscope, Bladder Cancer, Lower Urinary Tract Symptoms
- Trial name
- NCT04190641
- Testing
- Ambu aScope 4 Cysto and aView Urologia
- Where
- Denmark
- Volunteers
- 4 people
- Sponsor
- Ambu A/S
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
Presbyopia
A Feasibility Study to Assess the Visual Performance and Comfort of Hanita G4 Multifocal Soft Contact Lenses for Presbyopia at Normal Daily Routine Use
The G4 Multi multifocal contact lens is a soft contact lens intended to correct far, intermediate, and near vision for individuals with presbyopia. The lens covers the cornea and part of the sclera.
- Trial name
- NCT04841941
- Testing
- G4 Multifocal soft contact lens with a 54% water content for presbyopia
- Where
- 2 sites in Israel
- Volunteers
- 25 people
- Sponsor
- Hanita Lenses
Stroke, Ischemic, Stroke Hemorrhagic
Radial Extracorporeal Shock Wave Therapy and Visual Feedback Balance Training on Lower Limb Post-Stroke Spasticity, Trunk Performance and Balance:
This study assess the relationship between lower limb spasticity and trunk movements during static and dynamic balance in post-stroke patients who also underwent conventional physical therapy, visual feedback balance training and…
- Conditions
- Stroke, Ischemic, Stroke Hemorrhagic, Spasticity as Sequela of Stroke, Spastic Gait
- Trial name
- NCT05196633
- Testing
- radial extracorporeal shock wave therapy
- Where
- Romania
- Volunteers
- 23 people
- Sponsor
- Carol Davila University of Medicine and Pharmacy
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