Clinical trials: Ocular Physiology
Parkinson's Disease
Visual Function During Gait in Parkinson's Disease: Impact of Cognition and Response to Visual Cues
Parkinson's disease (PD) is associated with problems of gait such as veering, difficulty turning, an inability to perceive doorways or obstacles, and negotiate uneven terrain.
- Trial name
- NCT02610634
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Diabetic Peripheral Neuropathy
Corneal Nerves Function and Structure
Peripheral neuropathy affects about 50% of the diabetic population and there is no treatment other than good blood glucose control, which is ineffective in subjects with type 2 diabetes.
- Trial name
- NCT04222660
- Testing
- Blackmores Omega Daily (4 1g capsules per day)
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Retinal Vein Occlusion, Macular Edema
Efficacy of an Intravitreal DEX Implant in Retinal Vein Occlusion Following Treatment With Anti-VEGF Injections.
To test the efficacy of a 0.7 mg intravitreal dexamethasone implant (Ozurdex®) on macular function and recalcitrant macular edema associated with retinal vein occlusion following treatment with 2 or more prior intravitreal…
- Trial name
- NCT01449682
- Testing
- Ozurdex
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Retina Macula Institute
Cataract
Patient Perception of Visual Quality and Function
The purpose of this study is to evaluate the visual quality and function of pseudophakic patients.
- Trial name
- NCT02146599
- Testing
- Administration of patient self-assessment
- Where
- United States
- Volunteers
- 301 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Schizophrenia
Virtual Reality Training for Social Skills in Schizophrenia
Social impairments are core features of schizophrenia that lead to poor outcome. Social skills and competence improve quality of life and protect against stress-related exacerbation of symptoms, while supporting resilience…
- Trial name
- VR-SS (NCT03128099)
- Testing
- Virtual reality social skills training
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Visual Acuity
Evaluation of Multifocal Contact Lens Designs With and Without an HEV Blocker on Visual Function
This is a single-masked, bilateral, controlled, randomized, 2x2 crossover, non-dispensing clinical trial to characterize the effects of an HEV-Blocker on several measures of visual function in a presbyopic population.
- Trial name
- NCT04995055
- Testing
- JJVC Investigational Multifocal Contact Lens TEST Lens, ACUVUE® OASYS Multifocal
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Uveitis, Iritis
Retinal OCT and (mfERG) Related to Age, Sex, and the Use of Anti-inflammatory Medications
Retinal optical coherence tomography (OCT) is an established technology which enables a detailed cross-sectional visualization of the retinal micro-anatomy, and an objective measurement of its thickness in-vivo.
- Conditions
- Uveitis, Iritis, Iridocyclitis, Anterior Uveitis
- Trial name
- NCT00476593
- Testing
- Diclofenac, Dexamethasone
- Where
- 2 sites in Norway
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Cataract
Visual Function After Implantation of Bilateral AcrySof ReSTOR Aspheric +3
A prospective evaluation of the visual parameters in a series of patients bilaterally implanted with AcrySof ReSTOR +3 Intraocular Lens (IOL).
- Trial name
- NCT00719732
- Testing
- ReSTOR
- Where
- United States
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Ocular Physiology
Evaluation of ACUVUE® OASYS 1-Day for Astigmatism Contact Lenses With Alternative Lidstock
This will be a single-visit, randomized, double-masked, bilateral wear, non-dispensing, 2-sequence × 2-period crossover study to evaluate subject reported ocular symptoms.
- Trial name
- NCT05713552
- Testing
- Acuvue Oasys 1 Day for Astigmatism with Legacy lidstock, Acuvue Oasys 1 Day for Astigmatism with Amcor laminated lidstock
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
The Effects of Contact Lenses With UV/HEV-Filter on Visual Function
This is a 2-phase, single-site, non-dispensing, randomized, controlled, double-masked, 2x2 crossover study to objectively measure potential benefits of a new UV/HEV filter using psychophysical testing techniques.
- Trial name
- NCT05601544
- Testing
- ACUVUE OASYS 1-Day, ACUVUE OASYS MAX 1-Day, ACUVUE OASYS Multifocal
- Where
- United States
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Glaucoma
Does Glaucoma Cause Loss of Brain Function?
The purpose of the study is to determine if glaucoma is associated with neurodegenerative changes in areas of the brain other than the occipital lobe.
- Trial name
- NCT01303939
- Testing
- magnetic resonance imaging (MRI) of the brain
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Ocular Physiology
Clinical Evaluation of Delefilcon A and Verofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear
This is a bilateral-wear, dispensing, randomized, controlled, double-masked, 2-sequence × 2-period crossover study to evaluate ocular physiology following contact lens wear.
- Trial name
- NCT05502289
- Testing
- TEST LENS, CONTROL LENS
- Where
- 6 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Ocular Physiology
Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over Two Weeks of Wear
This will be a multi-site, bilateral, dispensing, randomized, controlled, double-masked, 2×2 crossover study to evaluate ocular physiological response.
- Trial name
- NCT06161012
- Testing
- Senofilcon A contact lenses (TEST), Delefilcon A contact lenses (CONTROL)
- Where
- 6 sites in United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Ametropia
The Effects of Contact Lenses With Experimental Dye on Visual Function
This is a single-site, two-visit, contralateral, non-dispensing, randomized, controlled and subject-masked study to measure potential benefits of the new UV blocker.
- Trial name
- NCT03556579
- Testing
- senofilcon A with new UV blocker, senofilcon A
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Glaucoma
Human Optokinetic Contrast Device (HOCD) to Measure Visual Function and Identify Patients With and Without Glaucoma
The purpose of this study is to determine if an optokinetic contrast detection device is sufficient to measure contrast sensitivity and to distinguish between patients with and without glaucoma.
- Trial name
- HOCD (NCT02014597)
- Testing
- HOCD
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Benjamin Frankfort, MD, PhD
Ocular Physiology
Feasibility Evaluation of Daily Disposable Toric Soft Contact Lenses Manufactured With an Alternative Hydration Process
This is a bilateral wear, dispensing, randomized, controlled, double-masked, 2-sequence × 2-period crossover study to evaluate ocular physiology following approximately one week of contact lens wear.
- Trial name
- NCT05427539
- Testing
- TEST LENS, CONTROL LENS
- Where
- 6 sites in United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Ocular Physiology
Clinical Evaluation of Two Daily Disposable Toric Soft Contact Lenses Over One Week of Wear
This is a bilateral wear, dispensing, randomized, controlled, double-masked, 2-sequence ×2-period crossover study to evaluate ocular physiology following contact lens wear.
- Trial name
- NCT05291936
- Testing
- PRECISION1® for Astigmatism Contact Lenses, MyDay® Toric Soft Contact Lenses
- Where
- 5 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.