Clinical trials: Visual Function
Progressive Supranuclear Palsy, Dementia With Lewy Bodies
In-Home Care for Patients With PSP and Related Disorders
Progressive Supranuclear Palsy and related disorders (PRD) are debilitating, costly, and understudied conditions. Improving access to comprehensive, specialized, in-home patient care offers the potential to minimize the downward…
- Conditions
- Progressive Supranuclear Palsy, Dementia With Lewy Bodies, Multiple System Atrophy, Corticobasal Syndrome
- Trial name
- NCT03552484
- Testing
- Home Visit Program, Usual Care/Online Survey
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Hyperopia
Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
The purpose of this U.S. Clinical Trial on treatment of sighted eyes is to investigate the safety and effectiveness of optimal keratoplasty (Opti-K™) treatments for hyperopia correction using the NTK Enterprises (NTK) Opti-K…
- Trial name
- NCT01028937
- Testing
- Optimal Keratoplasty
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- NTK Enterprises, Inc.
Diplopia, Binocular Vision Suppression
Understanding Visual Confusion Using Stereoscopic Displays
In this research study we want to test how people understand a visual scene when the same image is presented to both the eyes, but portions of these images are altered in terms of contrast, depth or in some cases motion.
- Conditions
- Diplopia, Binocular Vision Suppression, Binocular; Fusion, With Defective Stereopsis, Monocular Diplopia
- Trial name
- NCT04957745
- Testing
- Binocular visual confusion (unilateral opaque), Unilateral monocular visual confusion (unilateral see-through), Bilateral monocular visual confusion (bilateral see-through)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Healthy
A Study in Healthy People to See How Zongertinib is Taken up Into the Blood When Given as Tablets Made by Two Different Manufacturers
The main objective of this trial is to establish the bioequivalence of zongertinib tablet from manufacturer 1 (Test, T) compared with zongertinib tablet from manufacturer 2 (reference, R) following oral administration.
- Trial name
- NCT06360081
- Testing
- Zongertinib manufacturer 1, Zongertinib manufacturer 2
- Where
- Germany
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Open Angle Glaucoma
Micropulse Laser Trabeculoplasty (MLT) Versus Selective Laser Trabeculoplasty (SLT) for Treatment of Open Angle Glaucoma
The purpose of this study is to evaluate the effectiveness of a new laser (called Micropulse Laser Trabeculoplasty or MLT) in the treatment of glaucoma compared to the conventional laser presently used which is called selective…
- Trial name
- NCT01956942
- Testing
- Micropulse Laser Trabeculoplasty, Selective Laser Trabeculoplasty
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- David Belyea
Diabetic Retinopathy With Macular Edema of Both Eyes (Diagnosis), Central Retinal Vein Occlusion With Macular Edema
Cool vs Room-temperature Artificial Tears
Background and Objective: To evaluate the efficacy of cooled versus room temperature artificial tears in reducing post intravitreal injection (IVI) ocular discomfort.
- Conditions
- Diabetic Retinopathy With Macular Edema of Both Eyes (Diagnosis), Central Retinal Vein Occlusion With Macular Edema, Exudative Age-Related Macular Degeneration, Unspecified Eye, Cystoid Macular Edema
- Trial name
- NCT05832996
- Testing
- Refresh Plus Preservative-free Lubricant Eye Drops
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Presbyopia, Near Vision
Phase 3 Safety Study of LNZ100 and LNZ101 for the Treatment of Presbyopia Subjects
Safety Study of the Long-Term Safety of LNZ100 \& LNZ101 in Presbyopic Subjects
- Conditions
- Presbyopia, Near Vision, Refractive Error, Eye Diseases
- Trial name
- NCT05753189
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Vehicle
- Where
- 40 sites in United States
- Volunteers
- 362 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
Glaucoma, Sedation
Effect of Nitrous Oxide (N2O) on Intraocular Pressure in Healthy Volunteers
The purpose of this study is to learn if breathing nitrous oxide (also known as "laughing gas") changes the pressure in a person's eyes.
- Trial name
- NCT00967694
- Testing
- Nitrous oxide
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Colorectal Adenoma, Colorectal Polyp
Endocuff Vision Colonoscopy vs. AmplifEYE Colonoscopy
The study aims to compare the results between colonoscopies with two different attachments on the distal end of the colonoscope.
- Conditions
- Colorectal Adenoma, Colorectal Polyp, Colorectal Cancer
- Trial name
- NCT03560128
- Testing
- Endocuff Vision device, AmplifEYE device
- Where
- United States
- Volunteers
- 634 people, healthy volunteers welcome
- Sponsor
- Indiana University
Keratoconjunctivitis Sicca, Dry Eye Syndrome
Effects of Dry Eye Treatments on the Ocular Surface
The purpose of this study is to evaluate whether, in people with dry eye syndrome, over the counter artificial tears and the prescription eye drop, dexamethasone, change or effect the eyes response to a low humidity environment.
- Trial name
- NCT01797822
- Testing
- Dexamethasone, Artificial tear
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Amblyopia
Regimens of Intermittent Occlusion Therapy for Amblyopia in Children
This study is designed to answer the question: What if the Intermittent Occlusion (IO-therapy) glasses were prescribed all day (12-hours) in which the total time of treatment only took 4 weeks instead of the current treatment…
- Trial name
- NCT02767856
- Testing
- IO-therapy Glasses
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Salus University
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.
Primary Open Angle Glaucoma, Healthy Subjects
Efficacy of 24-hour Intraocular Pressure Fluctuation Recording With the SENSIMED Triggerfish Contact Lens Sensor
The objectives of this study are to assess the safety and effectiveness of the SENSIMED Triggerfish® (TF) device in continuous recording of relative fluctuation in intraocular pressure (IOP).
- Trial name
- NCT01390779
- Testing
- SENSIMED Triggerfish
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Sensimed AG
Low Vision, Age Related Macular Degeneration
Early Feasibility Study Using IOPCL MAG to Improve Near Vision in ARMD Subjects
This early feasibility study aims to improve near vision in subjects 55 years or older who have a clinical diagnosis of Age-Related Macular Degeneration.
- Trial name
- NCT04984590
- Testing
- IOPCL AMD MAG
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- OnPoint Vision Inc
Subjects Presenting With Normal Eyes
TopQ Cut-off Score Validation Study for 3D OCT-1 Maestro
The objective of this study is to validate the TopQ cutoff scores, which have been previously determined.
- Trial name
- NCT02447133
- Testing
- 3D OCT-1 Maestro
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
Colorectal Polyp, Colorectal Adenoma
Standard Colonoscopy Versus Colonoscopy With Endocuff Vision
This study seeks to compare colonoscopy results between a standard method and one using a distal scope attachment (Endocuff Vision).
- Conditions
- Colorectal Polyp, Colorectal Adenoma, Colon Cancer
- Trial name
- NCT03361917
- Testing
- Endocuff Vision
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Indiana University
Glaucoma
Analysis of the Eye in Patients With Primary Open-Angle Glaucoma and a Visual Field Defect in One Eye
The study aims to further understand glaucoma pathogenesis and progression by utilizing enhanced depth imaging optical coherence tomography to visualize and measure lamina cribrosa in vivo and segmentation technology to…
- Trial name
- NCT02622191
- Testing
- Spectral domain Optical Coherence Tomography
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Visual Acuity
An Investigation of the Impact of Localized Topical Anesthesia of the Ocular Surface on End-of-day Contact Lens Discomfort
This is a controlled, randomized, subject-masked, 3x3 crossover, non-dispensing, contralateral study. Twenty subjects will be recruited based on their scores (with their habitual lenses) from the Contact Lens Dry Eye…
- Trial name
- NCT03733899
- Testing
- Local Anesthesia
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Sessile Serrated Adenoma
Use of a Distal Colonoscope Attachment to Increase Detection of Sessile Serrated Adenomas
This study evaluates whether the use of a disposable colonoscope attachment, Endocuff Vision, can increase the detection of sessile serrated adenomas.
- Trial name
- NCT03560037
- Testing
- Endocuff Vision Assisted Colonoscopy
- Where
- United States
- Volunteers
- 427 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Blindness
Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children
The BrainPort vision device is a visual prosthetic designed for those who are blind. It enables perception of visual information using the tongue and camera system as a paired substitute for the eye.
- Trial name
- NCT03002597
- Testing
- BrainPort V200 Device
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ellen Mitchell