Clinical trials: Visual Performance
Visual Acuity
Evaluation of Effect of Scatter on Visual Performance
This will be a 3-visit, single-site, randomized, single-masked, bilateral wear, non-dispensing, crossover study which will evaluate visual performance with different magnitudes of scatter.
- Trial name
- NCT07443215
- Testing
- ACUVUE® OASYS 1-Day Sphere, ACUVUE® OASYS Multifocal
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluation of Letters Versus Numbers (ELEVEN) Study
This is a prospective randomised controlled trial to determine the performance of Best Corrected Visual Acuity (BCVA) scores using the ETDRS number chart were compared with ETDRS alphabet chart in healthy eyes of patients who do…
- Trial name
- ELEVEN (NCT04520243)
- Testing
- Visual acuity assessment by ETDRS charts
- Where
- Hong Kong
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Athlete
Effects of Oculomotor Exercises on Volleyball Players
The researcher aimed to investigate the effects of oculo-motor exercises on dynamic visual acuity, balance and performance of volleyball players whose performance can be improved with visual skills training.
- Trial name
- NCT04852549
- Testing
- Oculomotor exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Age-related Cataract, Vision Loss
Long-term Safety & Performance of REVISYON SDS100 in Mild to Moderate Cataract: Extension Study (EB-CE-02)
A non-interventional, extension study on the long-term maintenance of safety and performance of the REVISYON SDS 100 medical device in subjects with mild-to-moderate cataract.
- Conditions
- Age-related Cataract, Vision Loss, Cataract, Mild Cataract
- Trial name
- EB-CE-02 (NCT07246915)
- Where
- 6 sites in Romania
- Volunteers
- 47 people
- Sponsor
- Edinburgh Biosciences Ltd
Cataract
Visual Performance With a Trifocal Intraocular Lens
The purpose of this study is to evaluate the visual performance of a trifocal intraocular lens at distance, near and intermediate viewing, by way of visual acuity measurement, contrast sensitivity.
- Trial name
- NCT01605058
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- BMI Southend Hospital
Cataract, Astigmatism
Wavefront Analyzes and Visual Performance of Three Multifocal Intra-ocular Lenses
The purpose of this study is to determine if differences in the design of multifocal intra-ocular lenses would mean different values of higher-order aberrations and different performance in objective parameters such as modulation…
- Trial name
- IOL (NCT00876707)
- Testing
- Tecnis implant, ReSTOR implant, ReZoom implant
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- University of Sao Paulo
Visual Acuity
Evaluating Visual Acuity and Initial Fit Performance of Two Soft Contact Lenses
This is a multi-center, randomized, controlled, double-masked, 2x2 cross-over, non-dispensing study to compare visual acuity and lens fit performance.
- Trial name
- NCT04954833
- Testing
- EMO-200, EMO-118
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Biliary Tract Diseases
Spy II Clinical Registry
A prospective, multi-center registry for subjects undergoing Endoscopic retrograde Cholangiopancreatography (ERCP) and cholangioscopy for known or suspected pancreaticobiliary disease.
- Trial name
- NCT00751998
- Testing
- SpyGlass
- Where
- 15 sites in United States, Belgium and 4 more
- Volunteers
- 297 people
- Sponsor
- Boston Scientific Corporation
Visual Acuity
Clinical Performance of Three Daily Disposable Silicone Hydrogel Contact Lenses
This is a subject-masked, randomized, prospective, bilateral, 3x3 crossover dispensing clinical investigation to assess the clinical performance of a new lens type comparison.
- Trial name
- NCT06778057
- Testing
- Test Lens 1, Test Lens 2, Test Lens 3
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Ankle Injuries
Balance Training With Progressive Intermittent Visual Occlusions in Chronic Ankle Instability(RCT)
Based on the purpose of this study, the following hypotheses were established: There will be a significant difference in balance changes within and between groups following balance training with progressive intermittent visual…
- Trial name
- BTPIVO-CAI (NCT07108491)
- Testing
- Balance Training with Stroboscopic Glasses, Balance Training without Glasses
- Where
- South Korea
- Volunteers
- 28 people
- Sponsor
- Sahmyook University
Myopia
Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)
To evaluate the visual performance of (high and low contrast distance visual acuity, reading speed, near visual acuity, and near contrast sensitivity) of HAL spectacle lenses (habitual correction) in comparison with single vision…
- Trial name
- FIN-3102 (NCT07668102)
- Testing
- HAL spectacle lens, Single Vision spectacle lens
- Where
- 7 sites in United States
- Volunteers
- 88 people
- Sponsor
- Essilor International
Dietary Supplementation
Impact of Dark Chocolate on Visual Performance
The purpose is to conduct a randomized, single-masked crossover study to determine if acute consumption of a commercially available, highly palatable dark chocolate bar can improve visual performance.
- Trial name
- NCT03326934
- Testing
- Dark chocolate, Milk Chocolate
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
Cataract, Presbyopia
Monofocal IOL Visual Outcomes When Targeting Mini Monovision
This study is a 3-month, prospective, up to 2 center, bilateral, randomized subject masked clinical evaluation of a monofocal intraocular lens (IOL) when both eyes are targeted for emmetropia and when the non-dominant eye is…
- Trial name
- NCT05069415
- Testing
- Eyhance IOL
- Where
- 2 sites in United States
- Volunteers
- 75 people
- Sponsor
- Carolina Eyecare Physicians, LLC
Low Vision
Performance of Rigid Gas Permeable (RGP) Scleral Contact Lenses With a Passive Artificial Iris
Data from 15 healthy subjects will be recorded in two testing sessions spread on two days, using three lens designs (A, B and C).
- Trial name
- RGPIRIS_PA (NCT04040790)
- Testing
- Scleral contact lens without a passive artificial iris, Scleral contact lens with a passive artificial iris with low contrast (<1:5), Scleral contact lens with a passive artificial iris with high contrast (>1:5)
- Where
- Belgium
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Ghent
Glaucoma, Macular Degeneration
BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases
The purpose of this research study is to better understand the impact of visual impairment caused by different eye diseases on the ability to perform daily activities and compare it to that in patients without eye diseases.
- Conditions
- Glaucoma, Macular Degeneration, Glaucoma Suspect, Optic Neuropathy
- Trial name
- NCT03318549
- Testing
- Visual Performance tests, Brain-computer interface
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- University of Miami
Intraocular Lens
Comparison of the Visual Performance After Implantation of Multifocal Lens
This is a prospective, consecutive, nonrandomized,comparative study. Comparison of the Visual Performance After Implantation of a Trifocal Intraocular Lens and Two Bifocal Intraocular Lenses
- Trial name
- NCT03586271
- Testing
- trifocal lens, bifocal lens 1, bifocal lens 2
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Visual Acuity
Evaluation of a Digital Visual Acuity Device vs. Standard Visual Acuity Measurements
The purpose of this research is to validate and determine the accuracy of the experimental device when measuring visual acuity versus our standard visual acuity measurements and to gather voice recordings of letters to help build…
- Trial name
- NCT06431295
- Testing
- FaceScan
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Cataract
Visual Performance With a Hydrophobic Aspheric Monofocal IOL
Artificial lenses, otherwise known as intraocular lenses (IOLs), are used to replace the natural crystalline lens within the eye during cataract or refractive lens surgery.
- Trial name
- NCT03819582
- Testing
- EyeCee One intraocular lens
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- University of Plymouth
Visual Field Loss, Balance
Motor Performance Improvement After Visual Rehabilitation
Acquired brain injury" refers to brain damage that impacts neurological processing, making daily activities challenging and often causing vision issues like binocular dysfunction, oculomotor problems, and visual field loss.
- Conditions
- Visual Field Loss, Balance, Brain Injury, Motor Performance
- Trial name
- VRvisual (NCT06698172)
- Testing
- Virtual Reality rehabilitation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Instituto de Investigación Sanitaria Aragón
Ischemic Stroke, Upper Extremity Paresis
Motor Task Performance Under Visual and Auditory Feedback Post Stroke: a Randomized Crossover Trial
The study was designed to evaluate the impact of a novel kinematic biofeedback system - SWORD - in the motor performance of patients after stroke.
- Trial name
- NCT03032692
- Testing
- SWORD, Exercise with biofeedback, exercise without biofeedback
- Where
- 3 sites in Portugal
- Volunteers
- 30 people
- Sponsor
- Sword Health, SA