Clinical trials: Visual Acuity
Visual Acuity, Presbyopia
Pilot Dispensing Study of Two Marketed Daily Disposable Multifocal Contact Lenses
This is a 6-visit, single-masked, multi-site, 2×3 crossover, randomized-controlled, dispensing clinical trial to evaluate visual acuity.
- Trial name
- NCT07076160
- Testing
- INFUSE® One Day Multifocal, ACUVUE® OASYS MAX 1-Day Multifocal Contact Lens
- Where
- 7 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Presbyopia Correction, Presbyopia
Clinical Evaluation of Visual Performance, Spectacle Independence, and Patient Satisfaction With TECNIS PureSee Mini-Monovision and TECNIS PureSee-TECNIS Odyssey Mix-Match
The purpose of the study is to evaluate the binocular clinical endpoints of distance, intermediate, and near vision and patient reported outcomes utilizing mini-monovision versus mix-match approaches for the correction of…
- Conditions
- Presbyopia Correction, Presbyopia, Dysphotopsia, Visual Acuity
- Trial name
- NCT07860567
- Testing
- TECNIS PureSee IOL (Model DEN00V/DET150), TECNIS Odyssey IOL (Model DRN00V/DRT150)
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Dr. Daniel H. Chang, MD
Visual Acuity
Comparison of ACUVUE® OASYS MAX 1-Day Multifocal and DAILIES® AquaComfort Plus® Multifocal
This study is a 4-visit, multi-site, prospective, controlled, randomized, single-masked (subjects), two-arm parallel group, bilateral, dispensing clinical trial to compare the performance of the Test lens to the Control lens in…
- Trial name
- NCT07788521
- Testing
- Senofilcon A, Nelfilcon A
- Where
- 11 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluation of Approved Contact Lenses (CR-6657)
This is a prospective, multi-site, bilateral, 2-week dispensing, randomized, controlled, single-masked (subjects), 2x2 crossover study to evaluate visual acuity.
- Trial name
- NCT07819305
- Testing
- Test (Senofilcon A), Control (Serafilcon A)
- Where
- 8 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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.
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
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.
Tomography, Visual Acuity
Keratoconus - Screening in Patients With Downs Syndrome
The initial purpose of the study is to determine the true tomographic based age-specific prevalence of keratoconus among Danish patients with Downs Syndrome.
- Conditions
- Tomography, Visual Acuity, Refraction Error
- Trial name
- NCT07800975
- Where
- Denmark
- Volunteers
- 137 people
- Sponsor
- University of Aarhus
Visual Acuity
Exploration Strategies in Night Vision Sensors
The main objective of this clinical trial is to identify a variation in visual strategy characterized by both head movements and eye movements of healthy volunteers during a target detection task when images simulating night…
- Trial name
- STRAT-JVN (NCT07352904)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Keratoconus, Alteration of Visual Acuity
CHOICE OF SUBJECTIVE OCULAR REFRACTION TECHNIQUE AND CORNEAL TOPOGRAPHY OF KERATOCONUS
Keratoconus is a rare evolving corneal ectasia that alters visual acuity. To improve spectacle-corrected visual acuity, various subjective refraction techniques can be used.
- Trial name
- RE-CON (NCT04174209)
- Testing
- Cylinder, Dial, Slit
- Where
- France
- Volunteers
- 52 people
- Sponsor
- University Hospital, Clermont-Ferrand
Amblyopia, Amblyopia Strabismic
Effectiveness of tDCS in Paediatric Amblyopia.
The goal of this randomized, double-blind clinical trial is to determine whether transcranial direct current stimulation (tDCS) can effectively and safely improve vision in children aged 4-14 years with strabismic or…
- Conditions
- Amblyopia, Amblyopia Strabismic, Visual Acuity, Stereoscopic Vision
- Trial name
- tDCS (NCT07547670)
- Testing
- tDCS
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Universidad de Murcia
Refractive Error Correction, Visual Acuity
Metric-Optimized Spectacle Prescriptions for Children With Down Syndrome
This study seeks to determine whether glasses prescriptions determined from computer analysis of detailed images of the eyes provide better vision outcomes for children with Down syndrome than prescriptions determined using…
- Trial name
- NCT07490444
- Testing
- Metric-optimized spectacles, Routine Clinical Spectacles
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Ohio State University
Visual Acuity
Evaluation of Approved Contact Lenses
This is a prospective, randomized, controlled, subject-masked, bilateral, dispensing, multi-site, 2 lenses × 3 wearing periods crossover study to evaluate visual acuity.
- Trial name
- NCT07174596
- Testing
- B+L Infuse spherical soft contact lenses, J&J ACUVUE OASYS 1-Day spherical soft contact lenses
- Where
- 4 sites in United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Choroidal Neovascularization, Visual Field, Visual Acuity
OCT and Microperimetry in Patients With Active Neovascular ARMD (CORFI)
ARMD is the main cause of visual disability after 50 years old in France. Patients with active neovascular ARMD are treated with intravitreal injections of antiVEGF.
- Trial name
- CORFI (NCT03435926)
- Where
- France
- Sponsor
- University Hospital, Limoges
Multiple Sclerosis, Tomography, Optical Coherence
Retinal Atrophy and Neurofilament Light Chain in People With Multiple Sclerosis Taking Ofatumumab
This study aims to assess whether, and the degree to which, ofatumumab modulates or reduces rates of retinal atrophy in people with relapsing-remitting MS (RMS), according to baseline serum neurofilament light chain (sNfL) levels.
- Conditions
- Multiple Sclerosis, Tomography, Optical Coherence, Retinal Degeneration, Visual Acuity
- Trial name
- NCT06167642
- Testing
- Ofatumumab
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Johns Hopkins University
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.
Neuroathletic Training, Adolescent Basketball Players
Neuroathletic Training in Adolescent Basketball Players
This randomized controlled study aims to investigate the effects of neuroathletic training on dynamic visual acuity, endurance, balance, and injury risk in adolescent basketball players.
- Conditions
- Neuroathletic Training, Adolescent Basketball Players, Dynamic Visual Acuity, Injury Risk
- Trial name
- NCT07584148
- Testing
- neuroathletic training
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pamukkale University
Extended Depth-of-Focus Intraocular Lens, Cataract
Visual and Patient-Reported Outcomes After Bilateral Non-Diffractive EDOF IOL Implantation
This study evaluates visual outcomes and patient-reported satisfaction following bilateral cataract surgery using a non-diffractive extended depth-of-focus (EDOF) intraocular lens (AcrySof IQ Vivity).
- Conditions
- Extended Depth-of-Focus Intraocular Lens, Cataract, Visual Acuity
- Trial name
- EDOF-Visual (NCT07457216)
- Testing
- AcrySof IQ Vivity EDOF Intraocular Lens
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Benha University
Visual Acuity
Effect of Action Video Games and Stroboscopic Glasses on Dynamic Visual Acuity.
The study aims to observe the possible improvement of performance in dynamic visual acuity (DVA), in terms of speed and trajectory, comparing training using action video games and strobe glasses.
- Trial name
- NCT05956938
- Testing
- Stroboscopic Glasses, Action Video Game
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universitat Politècnica de Catalunya
Visual Acuity
Evaluation of Lens Rotation in Habitual Wearers of Toric, Soft Contact Lenses
This will be a single site, 2-visit, randomized, controlled, single-masked, non-dispensing, bilateral wear, 2x2 cross over study to assess visual acuity.
- Trial name
- NCT06649019
- Testing
- ACUVUE OASYS 1-Day for Astigmatism (AO1DfA), Dailies Total 1 for Astigmatism (DT1fA)
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.