Clinical trials: Visual Performance
Cataract Surgery
The PanOptix Trifocal IOL: A Study of Patient Satisfaction, Visual Disturbances, and Uncorrected Visual Performance
Prospective survey study of patients who previously underwent cataract surgery with the Alcon PanOptix or PanOptix Toric intraocular lens in both eyes.
- Trial name
- NCT04146961
- Testing
- Alcon PanOptix or PanOptix Toric IOL
- Where
- 3 sites in United States
- Volunteers
- 59 people
- Sponsor
- Research Insight LLC
Cataract, Presbyopia
Comparative Analysis of the Visual Performance and Patient Satisfaction After Cataract Surgery With Implantation of a Medicontur Monofocal (877PAY) or a Medicontur Extended Depth of Focus (877PEY) IOL
The purpose of this multi-center, prospective, randomized, comparative clinical investigation was to evaluate and compare the visual performance at far, intermediate and near distances, the presence of photopic phenomena and…
- Conditions
- Cataract, Presbyopia, Ametropia
- Trial name
- NCT06642779
- Testing
- VFQ- 25 (Visual Function Questionnaire), Optical Biometry, Slit lamps / Fundoscopy / Biomicroscopy
- Where
- 3 sites in Hungary
- Volunteers
- 64 people
- Sponsor
- Medicontur Medical Engineering Ltd
Cataract, Lens Opacity
Clinical Study to Investigate Visual Performance of IOL: FineVision HP
This is a prospective, non-randomised, controlled, single-surgeon, single-center post-market clinical follow up study whereby patient undergoing routine cataract surgery will have bilateral implantation of a recently introduced…
- Trial name
- NCT03027024
- Testing
- Implantation of IOL: PhysIOL POD F GF
- Where
- Australia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
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.
Vision Disorder, Stroke
Visual Impairment and Functional Visual Performance Following Acquired Brain Injury: A Cross-Sectional Study
This cross-sectional observational study aims to characterize acquired visual impairment in adults with acquired brain injury and to examine the relationship between objectively identified visual impairment and self-reported…
- Conditions
- Vision Disorder, Stroke, Brain Injuries
- Trial name
- NCT07858708
- Where
- Czechia
- Volunteers
- 108 people
- Sponsor
- Charles University, Czech Republic
To Study the Influence of an Multifocal Intraocular Lens With Different Addition on Intermediate Visual Acuity
Visual Performance of New Apodized Diffractive Multifocal IOL With Addition of Plus Three
The purpose of the study is to determine whether implantation of a multifocal IOL with a modified addition at lens plane(Restor +3) results in better intermediate visual acuity with similar performance at distance and near…
- Trial name
- NCT01027533
- Testing
- Implantation of a multifocal Intraocular lens
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Presbyopia
Clinical Assessment of a Customized Free-form Progressive Addition Lens Spectacle
The purpose of this study was to compare objective clinical measures of visual performance and subjective measures of satisfaction and preference between standard progressive addition lens (PAL) spectacles and a new type of…
- Trial name
- CZV_PAL1 (NCT01234207)
- Testing
- Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Dry Eye
Evaluation of the Repeated Usage of Systane Ultra Eyedrop
Comparison of two contact lens solutions.
- Trial name
- NCT01051804
- Testing
- Systane Ultra, Optive lubricant Eye Drops
- Volunteers
- 57 people
- Sponsor
- Alcon Research
Effect of Real-time Visual Feedback on Participant Compliance, Motivation, and Performance in Swimming
Real-time Feedback in Swimming: Workout Compliance and Swimming Performance Outcomes Using Smart Swim Goggles
In August of 2019 a Canadian company, Form Athletica Inc. (FORM), introduced a pair of Smart swimming goggles (FORM goggles) with a built-in see-through display.
- Trial name
- NCT06556212
- Testing
- Real-time feedback using smart swim goggles
- Where
- Canada
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Simon Fraser University
Cataract
The Clareon PanOptix Trifocal IOL: Visual Outcomes and Patient Satisfaction
This will be a single arm, open-label, prospective study of patient-reported outcomes of patients with bilateral implantation of the Panoptix or Panoptix Toric implant.
- Trial name
- NCT05346172
- Testing
- PanOptix or PanOptix Toric IOL
- Where
- 3 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Research Insight LLC
Sport Injury
Effects of Visualization Technique Compared to Combined Stretching Protocol in Racquet Sports.
This study intends to compare the effects of visualization technique with combined stretching protocol on racquet sports players to find out how these protocols affect their performance and mindfulness.
- Trial name
- NCT07028931
- Testing
- Visualization technique, Combined Stretching Protocol
- Where
- Pakistan
- Volunteers
- 52 people
- Sponsor
- Riphah International University
Cataract, Presbyopia
Comparison of Aspheric Toric Intraocular Lenses for Micro-monovision
In an aging population, cataract and presbyopia become increasingly common. A cataract is the opacification of the natural crystalline lens inside a person's eye, causing reduction of vision.
- Conditions
- Cataract, Presbyopia, Astigmatism
- Trial name
- NCT05506553
- Testing
- Intervention arm - Eyhance Toric II Intraocular Lens, Control Arm - Alcon IQ Toric Intraocular lens
- Where
- United Kingdom
- Volunteers
- 140 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Cataract, Presbyopia
MULTICENTER, DOUBLE-ARM, PATIENT AND ASSESSOR-MASKED, PROSPECTIVE, RANDOMIZED CLINICAL TRIAL TO COMPARE VISUAL PERFORMANCE OF NEGATIVE AND NEUTRAL ASPHERIC MONOFOCAL INTRAOCULAR LENSES
The purpose of this study is to compare the binocular distance, intermediate, and near visual acuity and patient reported outcomes of the Johnson \&Johnson Eyhance and Bausch \& Lomb enVista IOLs.
- Trial name
- NCT07385014
- Testing
- Neutral Aspheric Monofocal IOL, Negative Aspheric Monofocal IOL
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Milton S. Hershey Medical Center
Binocular Vision Disorder, Visual Impairment
Evaluation of Tests Performance on a New Digital Orthoptic Platform
This clinical trials aims to evaluate Tests Performance on a New Digital Orthoptic Platform.
- Trial name
- ESPPADON (NCT02651389)
- Where
- France
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
Myopia
Aberration-Free Refraction Correction
In the interest of improving visual quality after LASIK we have designed a multifaceted study to test the theoretical, physical, biomechanical and functional effects of commercial and independently designed aspherical ablation…
- Trial name
- NCT00172913
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
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.
Reconstructive Surgical Procedures, Plastic Surgery
Leica Microsystems Sponsored Study to Collect and Confirm Clinical Data on the Performance of the GLOW800 Device When Used in Accordance With Its Intended Use.
This post-market clinical follow-up (PMCF) study aims to confirm the safety and performance of the GLOW800 surgical microscope accessory when used in conjunction with the ARveo8x surgical microscope.
- Conditions
- Reconstructive Surgical Procedures, Plastic Surgery, Vascular Surgical Procedure, Cerebrovascular Disorder
- Trial name
- IMED-GLOW800 (NCT07164040)
- Testing
- The GLOW800, a non-contact, non-invasive device, allows the surgical microscope ARveo 8 and ARveo 8X to produce excitation light and resolve fluorescence emission from the fluorescent agent ICG
- Where
- 3 sites in Portugal, Spain and 1 more
- Volunteers
- 31 people
- Sponsor
- Leica Microsystems (Schweiz) AG
Cataract Senile
Study on Visual Performance of a Monofocal Intraocular Lens
Retrospective/Prospective Study on Visual Performance of a Monofocal Intraocular Lens (IOL). The objective is to compare best corrected distance visual acuity (CDVA) between 1-3-month and 12- month follow-up.
- Trial name
- NCT04740788
- Testing
- Monofocal IOL
- Where
- Austria
- Volunteers
- 44 people
- Sponsor
- Carl Zeiss Meditec AG
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