Clinical trials: Visualization
Visual Acuity
Clinical Comparison of Two Marketed Reusable Cosmetic Contact Lenses
This will be a 4-visit, multi-site, randomized, brand-masked, bilateral, 2×2 crossover study. If a subject is found to meet all eligibility criteria, they will be randomized to one of two lens wear sequences.
- Trial name
- NCT03755882
- Testing
- ACUVUE® DEFINE™ Vivid Style, LACELLE™ Sparkling Brown
- Where
- China
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Aging, Appetite Loss
Effect of a Novel Protein Supplement on Appetite in Older Adults
An acute randomized crossover trial comparing the effects of the whey hydrolysate, whey protein concentrate and placebo (still flavored water) on appetite and energy intake in older adults.
- Trial name
- NCT05871060
- Testing
- Whey Protein Concentrate, Whey hydrolysate
- Where
- Ireland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University College Dublin
Ptosis, Macular Degeneration
Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues
The purpose of this study is to compare the results of vision tests that are algorithmically derived and delivered through a virtual reality headset with those delivered through the existing technology standards (eg.
- Conditions
- Ptosis, Macular Degeneration, Ametropia
- Trial name
- RTS1 (NCT04714424)
- Testing
- Virtual Reality Headset
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Cataract, Lens Opacity
Clinical Study to Investigate Visual Performance of IOL: FineVision HP
This is a prospective, non-randomised, controlled, single-surgeon, single-center post-market clinical follow up study whereby patient undergoing routine cataract surgery will have bilateral implantation of a recently introduced…
- Trial name
- NCT03027024
- Testing
- Implantation of IOL: PhysIOL POD F GF
- Where
- Australia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Central Visual Impairment, Macular Degeneration
Factors in Learning And Plasticity: Healthy Vision
A greater understanding of plasticity after central vision loss can inform new therapies for treating low vision and has the potential to benefit millions of individuals suffering from low vision.
- Trial name
- FLAP (NCT05439759)
- Testing
- Condition 1: Training visual sensitivity, Condition 2: Training spatial integration, Condition 3: Training spatial attention
- Where
- 2 sites in United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Hyperopia, Myopia
A Phase 1/2 Crossover Study to Assess EXP039 for Myopia or Hyperopia
Assess the Safety, Pharmacodynamics, and Efficacy of EXP039 Ophthalmic Solution in Participants with Myopia or Hyperopia
- Trial name
- NCT04883996
- Testing
- 1% EXP039, Saline control
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Canyon City Eyecare
Dental Caries
Reliability of Fluorescent Camera and Caries Detection Dye Versus the Visual Tactile Method
1. Three dentinal carious lesions will be chosen in this study and will be in the same patient. 2. Using local anaesthesia and rubber dam, the operative field will disinfected with 1% hypochlorite, and the dentine lesions should…
- Trial name
- NCT03051594
- Testing
- fluorescent camera, caries detector dye, visual tactile assessment
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Childbirth
The Effects of Positive Birth Experience Sharing and Guided Imagery on Childbirth Self-Efficacy and Fear of Childbirth
Brief Summary This randomized controlled trial evaluates the effects of positive birth experience sharing combined with guided imagery on fear of childbirth and childbirth self-efficacy in primiparous pregnant women.
- Trial name
- non (NCT07015086)
- Testing
- Guided Imagery and Positive Birth Experience Sharing
- Where
- Turkey (Türkiye)
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Gazi University
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
Visual Acuity
Clinical Evaluation of Two Cosmetic Contact Lenses
This is a single visit, single-masked, non-dispensing, randomized, controlled, 2×2 bilateral crossover study to evaluate visual acuity.
- Trial name
- NCT06864858
- Testing
- etafilcon A with PVP with cosmetic pattern contact lens, 1-DAY ACUVUE® DEFINE® with LACREON®, FRESH Honey
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Executive Function (Cognition), Shooting Performance
The Effect of Long-term Virtual Reality-based Motor Imagery Exercise Intervention on Executive Performance in Competitive Shooting Athlete
This study evaluates whether a 12-week virtual reality-based motor imagery (VRMI) training program can improve executive function and shooting performance in competitive 10-meter air pistol athletes.
- Trial name
- VRMI-ShootEF (NCT07522515)
- Testing
- Virtual Reality Motor Imagery Training, Traditional Exercise Training, Health Education Videos
- Where
- China
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Xiaodong Cheng
HPV Infection, Cervix Cancer
Validation of Artificial Intelligence as Decision Support System in VIA (PRESCRIP-TEC)
The research project is a component of another research project that applies the protocol of the World Health Organization for screening of cervical cancer, with testing of high-risk Human Papilloma Virus (hrHPV) as first…
- Conditions
- HPV Infection, Cervix Cancer, Cervical Dysplasia
- Trial name
- AI-DSS (NCT06452004)
- Testing
- Validation of AI-DSS in Bangladesh, Validation of AI-DSS in Uganda, Validation of AI-DSS in India
- Where
- Uganda
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Intravitreal Injection, Pain
Comfort Comparison of Intravitreal Injection Eyelid Retraction Techniques
This study evaluated the discomfort associated with eyelid retraction during intravitreal injections. Participants had eyelid retraction with one of three methods: eyelid speculum, unimanual eyelid retraction method or with a…
- Trial name
- Eyelid RETRACT (NCT04144985)
- Testing
- Visual analog scale (VAS) of pain to evaluate the discomfort participants experience.
- Where
- United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
Patients Implanted With Monofocal Intraocular Lens
Prospective Evaluation of Near and Intermediate Visual Outcomes With Monofocal Intraocular Lenses: The Mast Study
The purpose of this study is to evaluate the near and intermediate visual outcomes of patients who have undergone routine cataract surgery (removal of cloudy crystalline lens) with phacoemulsification (the break-up and removal of…
- Trial name
- NCT01191515
- Testing
- Monofocal Intraocular Lenses
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Innovative Medical
Family Caregivers
Mobile App Psychological Interventions for Family Dementia Caregivers
Family caregivers of persons with dementia often experience chronic stress and insomnia, resulting in decreased mental and physical health.
- Trial name
- NCT05253443
- Testing
- Mentalizing Imagery Therapy and caregiver skills mobile application, Caregiver skills mobile application
- Where
- United States
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Low Back Pain
Pregnancy-Related Low Back Pain and Complementary and Alternative Medicine (CAM) Treatment
This study compares three treatments for low back pain that started during pregnancy. The study hypothesizes that exercise, spinal manipulation, and a mind-body technique called neuroemotional technique (NET) equally affect pain…
- Trial name
- NCT00937365
- Testing
- Exercise, Spinal Manipulation, Neuroemotional Technique (NET)
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Vision Loss Partial, Hemianopia
Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage
This project is intended to collect data using standard clinical tests and psychophysics to quantify the effect of visual cortical damage on the structure of the residual visual system, visual perception, spatial awareness, and…
- Conditions
- Vision Loss Partial, Hemianopia, Hemianopia Homonymous, Quadrantanopia
- Trial name
- NCT05098236
- Testing
- Training in the Blind Field, Training in the Sighted Field
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Healthy Young Adults
Modulation of Visual-Spatial Learning in Healthy Young Adults by tDCS
The aim of this study is to investigate whether a combination of intensive training of visual-spatial abilities (LOCATO task) with anodal transcranial direct current stimulation (tDCS) leads to an improvement of learning and…
- Trial name
- NCT02110407
- Testing
- tDCS, training
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Keratoconus
Effects of Corneal Anatomical Match Between Donor and Recipient During DALK Surgery on Final Visual and Refractive Outcomes in Patients With KCN
Patients with KCN who undergo cornea transplantation divided to 2 groups: Group1: After mechanical trephination, horizontal meridian of donor's cornea sutured to horizontal meridian of recipient cornea Group 2: After mechanical…
- Trial name
- NCT04130334
- Testing
- After mechanical trephination, horizontal meridian of donor's cornea sutured to horizontal meridian of recipient cornea, : After mechanical trephination, horizontal meridian of donor's cornea sutured to vertical meridian of recipient cornea
- Where
- Iran
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Retinal Ageing
Carotenoid Supplementation and Normal Ocular Health
Normal ageing affects vision as a result of preretinal and retinal changes. Photoreceptors, the light sensitive cells in the retina, degenerate and the rods (responsible for night vision) are most susceptible to damage with…
- Trial name
- NCT02147171
- Testing
- VisionAce
- Where
- United Kingdom
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of Manchester
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