Clinical trials: Visual Performance
Cataract, Lens Opacities
Clinical Study to Investigate Visual Performance of a Hydrophobic Monofocal IOL After Bilateral Implantation
Prospective, non-randomised, open, controlled, single-center post-market clinical follow study about Micropure 1.2.3 IOL.
- Trial name
- PHY1801 (NCT03423524)
- Testing
- Micropure 1.2.3.
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Cognitive Orientation
Effects Of Stroboskobic Visual Training On Cognitive Performance in Adolescent Male Volleyball Players.
Objective: To determine the effects of a stroboscopic training program on cognitive function in adolescent male volleyball players.
- Trial name
- NCT07162545
- Testing
- stroboskopic visual training
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Cataract
Visual Performance of Bilateral AcrySof ReSTOR Aspheric +4
Determine the clinical visual outcomes following bilateral implantation of the AcrySof ReSTOR Aspheric Intraocular Lens (IOL) and to demonstrate what percentage of the subjects obtain spectacle freedom.
- Trial name
- NCT01215045
- Testing
- AcrySof ReSTOR Aspheric +4
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Myopia
Evaluation of Visual Performance With Contact Lenses
This study will evaluate the influence of contact lens optical design on visual performance using standard and multifocal soft contact lenses (MFCLs).
- Trial name
- NCT03705130
- Testing
- Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Houston
Cataract
Long-term With a Trifocal Intraocular Lens
The main aims of this study were to evaluate the patient reported outcomes (PROs), safety and efficacy, after 6-year (66 - 78 months) from the binocular implantation of the AT LISA tri 839MP.
- Trial name
- NCT04861909
- Testing
- AT LISA tri 839MP
- Where
- Spain
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Qvision, Ophthalmology Department
Presbyopia, Refractive Error
Dispensing Study to Assess Visual Performance of Prototype Contact Lenses
The aim of this study is to assess visual performance of prototype soft contact lens designs compared to commercially available contact lenses over one-week of lens wear.
- Trial name
- NCT02214797
- Testing
- Etafilcon A, Lotrafilcon B , Senofilcon A
- Where
- Australia
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Postural Balance, Reaction Time
The Effect of Neuromotor-Cognitive Training on Performance Dancers
This prospective randomized controlled study aims to evaluate the effects of neuromotor-cognitive training on dynamic balance, reaction time, and sensorimotor performance in performance dancers.
- Conditions
- Postural Balance, Reaction Time, Sensorimotor Performance, Neuromuscular Control
- Trial name
- NCT-DANCE (NCT07730710)
- Testing
- Neuromotor-Cognitive Training
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Keratoconus
Comparative Analysis of the Visual Performance After TICL Implantation in Patients With Stable Keratoconus
To report on 4-year postoperative safety, efficacy, stability and predictability outcomes(to evaluate the visual, refractive, contrast sensitivity, defocus curve and aberrometric data preoperation, and compare with a similar…
- Trial name
- TICL (NCT02833649)
- Testing
- Toric Implantable collamer Lens
- Where
- Iran
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
Balance Performance
Immediate Effects of Visual and Auditory Feedback Modalities on Dynamic Balance
The goal of this randomized controlled trial is to compare the immediate effects of visual, auditory, and combined feedback modalities on dynamic balance in healthy young adults.
- Trial name
- NCT07594405
- Testing
- Star Excursion Balance Test
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- St Joseph University, Beirut, Lebanon
Visual Performance
Investigation of Ocular Signs & Symptoms in Wearers Fitted With Contact Lenses Following Digital Device Use
The objective of this study is to assess how various silicone hydrogel lenses perform when worn by subjects who are heavy digital device users.
- Trial name
- NCT02394756
- Testing
- Marketed Soft Contact lens, AIR OPTIX® AQUA, Biofinity®
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Clinical Performance of Two Daily Disposable Silicone Hydrogel Contact Lenses
This is a subject-masked, randomized, bilateral, 2x2 crossover clinical investigation that will assess lens fit acceptance.
- Trial name
- NCT05554640
- Testing
- Acuvue® Oasys MAX 1-Day, Dailies Total 1
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Non-Invasive Assessment of Contact Lens Performance During Use of a Digital Display
This is a two-arm, open-label, bilateral dispensing clinical investigation. Eligible subjects will proceed to either a low-sphere or high-sphere arm based on refraction measurements in the baseline assessment.
- Trial name
- NCT04869189
- Testing
- JJVC Marketed Contact Lens
- Where
- United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Visual Performance of Soft Contact Lenses With Myopia Control Optics
This is a multi-site, bilateral, dispensing, randomized, controlled, single-masked, 3x3 crossover study with a run-in period.
- Trial name
- NCT05141448
- Testing
- 1-Day Acuvue Moist, EMO-118, EMO-114
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cognitive Change, Processing, Visual Spatial
Effects of a Complex, Partnered Martial Arts-based Intervention on Cognitive Processing.
The investigators' study is designed to test whether prolonged exposure to a martial arts-based intervention (three complex, partner exercises based on Filipino, Chinese and Thai martial arts practices), can improve cognitive…
- Trial name
- MATRICES (NCT05530148)
- Testing
- Martial Arts Training Group, Flexing, Toning and Balance
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Dental Plaque, Halitosis
Impact of Visual Stimuli on Pediatric Oral Hygiene Performance
In the present study, children aged 7 to 14 will receive verbal and active (hands-on) oral hygiene education. The education will be delivered in three different formats: Education supported with positive visual aids (images of…
- Conditions
- Dental Plaque, Halitosis, Oral Hygiene Education Methods
- Trial name
- NCT07150429
- Testing
- Verbal-Active Oral Hygiene Education with Negative Visual Aids, Verbal-Active Oral Hygiene Education (Control Group), Verbal-Active Oral Hygiene Education with Positive Visual Aids
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Eskisehir Osmangazi University
Change in Sustained Attention
Attentional Capacity and Clinician Performance
Uncovering the distinct measurements and features that potentially exist in different levels of expertise when performing cardiology-based procedures.
- Trial name
- ACCP (NCT02928796)
- Testing
- Cognitive Stimulus
- Where
- Ireland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University College Cork
Visual Field Defect, Peripheral, Glaucoma, Open-Angle
Nutritional Supplements and Performance During Visual Field Testing (B3 Vitamin)
This study seeks to test whether these over-the-counter nutritional supplements have an impact on patients' performance during visual field testing.
- Trial name
- NCT03797469
- Testing
- Vitamin B3, Pyruvate
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Columbia University
Eye Dominance-based Visual Training, Volleyball Players
Eye Dominance-based Visual Training
Eye dominance refers to the preference for one eye when processing visual information and may influence visual-motor integration and motor coordination.
- Trial name
- NCT07899970
- Testing
- Eye Dominance-Based Visual Training, Standard Volleyball Warm-up
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istinye University
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
Presbyopia
Visual Performance of Dailies Total1 Multifocal and Acuvue Oasys Max 1-Day Multifocal in Presbyopic Lens Wearers
The purpose of this study is to measure the logMAR visual acuity when presbyopic soft lens wearers are fit with Dailies Total1 Multifocal and ACUVUE OASYS MAX 1-DAY Multifocal.
- Trial name
- GIRAFFE (NCT06369987)
- Testing
- Deleficon A (multifocal), Senofilcon A (multifocal)
- Where
- Canada
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Waterloo