Clinical trials: Visual Performance
Presbyopia
Performance of a Multifocal Contact Lens - Presbyopia Study
This is a four week study to evaluate the performance of a multifocal contact lens in habitual wearers of silicone hydrogel multifocal contact lenses.
- Trial name
- NCT02450747
- Testing
- etafilcon A MULTIFOCAL
- Where
- Canada
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Assessment of Visual Performance With Virtual Reality After Cataract Surgery
The proposed randomized clinical trial aims to compare visual performance, measured using VR simulations, in cataract patients implanted either with bilateral trifocal IOL or bilateral monofocal IOL with monovision.
- Trial name
- NCT06015334
- Testing
- cataract surgery with implantation of intraocular lens
- Volunteers
- 114 people
- Sponsor
- The University of Hong Kong
Cerebral Palsy
Effectiveness of Handwriting Training Program on Handwriting Performance in Cerebral Palsy
Visual perception impairment and upper limb disability will affect the handwriting performance. Children with cerebral palsy (CP) who have good function on upper extremity may associated with visual perception impairment, which…
- Trial name
- NCT01378455
- Testing
- interactive computerized handwriting training program, traditional handwriting training program
- Where
- Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Sleep Quality
Filtered Eyewear to Prevent Light-induced Melatonin Suppression - Aim 1
The aim of this study is to determine the relative effectiveness of monocular and binocular light exposures, with and without selective blue-blocking filtering, on nocturnal melatonin suppression, subjective sleepiness, and…
- Trial name
- NCT06310135
- Testing
- Filtered Eyewear, Unfiltered Eyewear, No Filters
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Stroboscopic Visual Training, Physical Fitness
EFFECTS OF TRAINING WITH STROBOSCOPIC GLASSES ON ATHLETIC PERFORMANCE IN VOLLEYBALL PLAYERS
This study was conducted to investigate the effects of training with stroboscopic glasses on athletic performance in volleyball players. 54 male volleyball players participated in the study.
- Trial name
- NCT07308535
- Testing
- stroboscopic visual training
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Baskent University
Age Related Cataracts
Visual Performance of Clareon PanOptix vs. a Comparable Multifocal Intraocular Lens
This is a two-part, multi-center, investigator-initiated clinical study comparing visual outcomes and patient satisfaction in subjects receiving bilateral implantation of either the Clareon PanOptix intraocular lens (IOL) or a…
- Trial name
- NCT07006428
- Testing
- Clareon PanOptix or PanOptix Toric IOLs, Comparable multifocal IOL
- Where
- 3 sites in United States
- Volunteers
- 290 people
- Sponsor
- Argus Research Center, Inc.
Presbyopia
Compare Visual Outcomes Using a New Diagnostic Device
Evaluation of preoperative corrected distance visual acuity (CDVA) obtained with VirtIOL device compared to postoperative CDVA.
- Trial name
- NCT04037631
- Testing
- Diagnostic device
- Where
- Germany
- Volunteers
- 24 people
- Sponsor
- Carl Zeiss Meditec AG
Cataract, Lens Opacities
PMCF Study on Monofocal Toric IOL (PODEYE TORIC)
This is a single-center, prospective, open-label PMCF study whereby patients undergoing routine cataract surgery will have mono- or bilateral implantation of hydrophobic acrylic monofocal toric intraocular lens PODEYE TORIC…
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2101 (NCT04744467)
- Testing
- IOL implantation experimental
- Where
- Czechia
- Volunteers
- 12 people
- Sponsor
- Beaver-Visitec International, Inc.
Cataract, Presbyopia
Non-Inferiority Study Comparing MINI WELL READY® and FineVision® in Patients With Cataract Surgery
Interventional, Multicentre, controlled, randomized, single blind, twoarmed non-inferiority trial
- Trial name
- NCT03060954
- Testing
- MINI WELL READY ®, FINE VISION®
- Where
- 2 sites in France
- Volunteers
- 8 people
- Sponsor
- SIFI SpA
Dysphotopsia, Posterior Capsule Opacification
Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants
The goal of this clinical investigation is to evaluate visual acuity and contrast sensitivity in low lighting conditions using several different testing devices, and measure nighttime side effects of intraocular lens (IOL)…
- Conditions
- Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function
- Trial name
- NCT07213167
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Dr. Daniel H. Chang, MD
Stroke
Helping Stroke Patients With Movement Using Photos, Videos, and Pictograms
The goal of this interventional study is to learn how different types of visual aids-photos, videos, and pictograms-help people with stroke understand and perform simple physical movements.
- Trial name
- NCT07097779
- Testing
- Visual Aids(Photos, Videos, and Pictograms)
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- Jaegyeong Lee
Cataract
Clinical Performance of the Asqelio™ Trifocal Diffractive Intraocular Lens
The goal of this observational study is to evaluate whether the Asqelio™ Trifocal intraocular lens (IOL) can improve refractive outcomes and optical quality in patients (aged ≥45 years) undergoing cataract surgery or clear lens…
- Trial name
- NCT06935565
- Testing
- Trifocal IOL implantation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- AST Products, Inc.
Breast Cancer
Comparison of Digital Breast Tomosynthesis to Conventional Mammography
In March 2009, Health Canada approved Tomosynthesis for use in screening and diagnosis of breast cancer. The Tomosynthesis technology is designed as a complementary imaging model that is incorporated into the 2D Mammography…
- Trial name
- NCT03442478
- Testing
- 2D/3D Tomosynthesis
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- University Health Network, Toronto
Intellectual Disability
Evaluation of the Effect of Digital-based Games on the Visual and Cognitive Performance of Young Children With Intellectual Disabilities
This randomized controlled trial aims to evaluate the effect of digital intelligence games on visual and cognitive performance in young individuals with intellectual disabilities.
- Trial name
- NCT07476092
- Testing
- MentalUP Digital Intelligence Game
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Koç University
Airway Morbidity, Team Efficacy
A Novel Intuitive Airway Trolley for Quick Decision-making in Simulated Unexpected Difficult Airway Situations: Evaluation and Comparison to the Existing Airway Trolley
The goal of this study is to analyze the impact of color-coded labeling and cognitive visual aids of a novel airway trolley on the performance of participants in a simulated unexpected difficult airway scenario.
- Conditions
- Airway Morbidity, Team Efficacy, Intubation; Difficult or Failed, Human Factors
- Trial name
- Airway-to-Go (NCT07076511)
- Testing
- Scenario "unexpected difficult airway"
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- Johannes Gutenberg University Mainz
Cortical/Cerebral Visual Impairment, Cerebral Palsy
Examining the Effect of Eye Gaze Technology on Children With Cortical Visual Impairment
The goal of this study is to learn about eye gaze technology's use as an assessment and intervention of visual skills and the impact on occupational performance in children with cortical/cerebral visual impairment.
- Trial name
- NCT06067607
- Testing
- eye gaze technology
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rockhurst University
Cataract, Lens Opacities
PMCF Retrospective Study Outcomes of a Premium Monofocal IOL
Multicentric, retro- / prospective, open-label, observational PMCF study to investigate visual performance, contrast sensitivity and patient satisfaction after mono- or bilateral implantation of Isopure 1.2.3.
- Trial name
- PHY2110 (NCT04874376)
- Testing
- IOL implantation experimental (Isopure 1.2.3.)
- Where
- 6 sites in Spain
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab
Healthy Volunteer
Neural Correlates of Intern Speech
The goal is to define what is the nature of intern speech, how it manifests itself, who deal with agency in intern speech and finally what is the role of intern speech in attention tasks.
- Trial name
- INNERSPEECH (NCT02830100)
- Testing
- Healthy volunteers, MRI
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Visual Performance
Efficacy of Visual Training in Beach Tennis
The proposed protocol is going to study the importance of wide spread of visual functions defined by but not limited to visual perception, visual function, visual exploration, involved in the performance of beach tennis.
- Trial name
- NCT04384302
- Testing
- Visual training
- Where
- Poland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Wrocław University of Science and Technology