Clinical trials: Visual Performance
Presbyopia
A Feasibility Study to Assess the Visual Performance and Comfort of Hanita G4 Multifocal Soft Contact Lenses for Presbyopia at Normal Daily Routine Use
The G4 Multi multifocal contact lens is a soft contact lens intended to correct far, intermediate, and near vision for individuals with presbyopia. The lens covers the cornea and part of the sclera.
- Trial name
- NCT04841941
- Testing
- G4 Multifocal soft contact lens with a 54% water content for presbyopia
- Where
- 2 sites in Israel
- Volunteers
- 25 people
- Sponsor
- Hanita Lenses
Astigmatism
Visual Performance With Clareon® Vivity® Intraocular Lenses (IOLs)
The purpose of this study is to generate clinical data to quantify the impact of residual astigmatism on the overall visual performance during distance, intermediate, and near viewing in patients implanted with Clareon Vivity…
- Trial name
- NCT06784063
- Testing
- Clareon Vivity Extended Vision IOL
- Where
- 3 sites in United States
- Volunteers
- 40 people
- Sponsor
- Alcon Research
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
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
Cataract Extraction, Corneal Astigmatism
Assessment of Visual Performance in Patients With Low Levels of Astigmatism
To assess visual performance in patients with low levels (0.5-0.75 Diopters) of corneal astigmatism.
- Trial name
- NCT00842231
- Testing
- Visual performance measures
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Cataract, Lens Opacities
Clinical Study to Compare Visual Performance of Two Trifocal IOLs
Prospective, randomised, controlled, single-surgeon, single-center post-market clinical follow up study to compare the clinical outcomes of two trifocal IOLs with different material
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1702 (NCT03347981)
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Spain
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Astigmatism
Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for Astigmatism
The purpose of this study is to evaluate functional vision associated with rotational stability at blink of DAILIES® AquaComfort Plus® Toric (DACP T) compared to 1-DAY ACUVUE® MOIST® for Astigmatism (1DAM A).
- Trial name
- NCT02071771
- Testing
- Nelfilcon A toric contact lenses, Etafilcon A toric contact lenses
- Volunteers
- 80 people
- Sponsor
- Alcon Research
Age-related Cataract
Study On The Performance And Safety Of The REVISYON SDS 100 Device On Visual Acuity In Subjects With Cataract
Single arm, unmasked study to evaluate the performance and safety of the REVISYON SDS 100 Device for the non-invasive treatment of vision loss in age-related cataract.
- Trial name
- NCT05396547
- Testing
- Treated with REVISYON SDS 100 Device
- Where
- 11 sites in Latvia, Lithuania and 1 more
- Volunteers
- 114 people
- Sponsor
- Edinburgh Biosciences Ltd
Dry Eye Symptoms, Visual Performance
Evaluate the Ability of Systane Ultra to Improve Subjective Symptoms of Ocular Irritation Post 60 Min. Athletic Performance.
The primary objective of this study is to compare visual degradation in a stressed (forced stare) environment in patients before and after acute administration of Systane Ultra.
- Trial name
- NCT00938951
- Testing
- Systane® Ultra
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Refractive Error, Astigmatism
Visual Performance Investigation of Two Toric Soft Contact Lenses
The purpose of this study is to compare the amount of coma as measured by aberrometry induced by two silicone hydrogel toric lenses in astigmatic participants.
- Conditions
- Refractive Error, Astigmatism, Myopia, Hyperopia
- Trial name
- CARDINAL (NCT01858701)
- Testing
- Lotrafilcon B toric contact lens, Comfilcon A toric contact lens
- Volunteers
- 49 people
- Sponsor
- Alcon Research
Cataract, Lens Opacities
Visual Performance Intraocular Lens (IOL) MicroPure 1.2.3.
The clinical investigation is a post-market clinical follow up study whereby patients undergoing routine cataract surgery will have monolateral implantation of a commercially available, CE approved monofocal intraocular lens…
- Trial name
- NCT03297372
- Testing
- IOL implantation
- Where
- 2 sites in Italy
- Volunteers
- 121 people
- Sponsor
- Beaver-Visitec International, Inc.
Visual Acuity
Post-Market Study of Alcon Intraocular Lenses
The purpose of the study is to evaluate clinical and functional performance in real-world conditions in participants who have been implanted with Acrysof IQ Vivity (Extended Vision) IOLs compared with Alcon Aspheric Monofocal…
- Trial name
- NCT05414565
- Testing
- Vivity IOL, Aspheric monofocal IOL
- Where
- Australia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Dry Eye Syndromes
Evaluation of Maintaining Visual Performance in Participants Who Engage in Electronic Visual Tasking While Using Restasis®
This study will evaluate the efficacy of Restasis® in participants with dry eye disease who engage in electronic visual tasking.
- Trial name
- EMPOWER (NCT02554981)
- Testing
- Cyclosporine 0.05% Ophthalmic Emulsion
- Where
- 2 sites in United States
- Volunteers
- 51 people
- Sponsor
- Allergan
Cataract
Toric Performance And Constant Evaluation
The main purpose of this investigation is to support safety and performance assessment of the investigational device with a focus on optimizing the IOL constants based on refractive outcomes.
- Trial name
- PACE (NCT07471295)
- Testing
- Monofocal toric IOL
- Where
- 6 sites in Czechia, Germany and 2 more
- Volunteers
- 130 people
- Sponsor
- Carl Zeiss Meditec AG
Cataract
Combined EDOF / Trifocal
The purpose of this study is to obtain postoperative visual performance data of patients with bilateral implantation of the AT LARA IOL or the AT LARA implanted in the dominant eye and AT LISA tri implanted in the other eye.
- Trial name
- NCT05462067
- Testing
- AT LARA IOL, AT LISA Tri IOL
- Where
- 4 sites in Denmark, Germany and 1 more
- Volunteers
- 72 people
- Sponsor
- Carl Zeiss Meditec AG
Cataract, Lens Opacities
Implantation of a Trifocal Hydrophobic IOL in Patients That Underwent Refractive Surgery
Controlled, open label, prospective Post Market Clinical Follow-Up, single-center clinical study to investigate visual performance after implantation of a trifocal IOL (PhysIOL Pod L GF) in patients that underwent refractive…
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT04054427
- Testing
- IOL implantation experimental
- Volunteers
- healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
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.
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
Catartact
Clinical Trial to Evaluate the Visual Performance of Two Monofocal Intraocular Lenses
The main objective of the clinical study is to evaluate the performance of the CT LUCIA 601 PY for the monocular uncorrected distance visual acuity and compare it to the reference monofocal IOL Acrysof IQ SN60WF.
- Trial name
- LUCIOL (NCT02903927)
- Testing
- Implantation of CT LUCIA IOL, Implantation of Acrysof IQ SN60WF IOL
- Volunteers
- 81 people
- Sponsor
- Carl Zeiss Meditec AG
Visual Performance
Evaluation of Two Marketed Multifocal Contact Lenses
This is a single-masked, randomized, cross-over, dispensing, 6- visit pilot study. The purpose of this clinical study is to evaluate the performance of two marketed multifocal lenses.
- Trial name
- NCT03322423
- Testing
- Multifocal Contact Lens 1, Multifocal Contact Lens 2, Spherical Contact Lens 2
- Where
- 5 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.