Clinical trials: Visual Perception
Macular Edema, Cystoid, Vision Disorders
Intraoperative Dexamethasone Implant Improves Outcome of Cataract Surgery With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant, (Ozurdex®) in improving outcome of cataract surgery in patients with diabetic macular edema.
- Conditions
- Macular Edema, Cystoid, Vision Disorders, Diabetic Macular Edema, Cystoid Macular Edema Following Cataract Surgery
- Trial name
- NCT01546402
- Testing
- Dexamethasone Drug delivery system (Ozurdex), Cataract surgery
- Where
- India
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Bacterial Infections, Eye Infections
Study of AzaSite Versus Vigamox in the Tears of Healthy Volunteers
The purpose of this study is to evaluate the drug concentrations of AzaSite compared to Vigamox in tears of healthy volunteers
- Trial name
- NCT00575367
- Testing
- AzaSite (azithromycin ophthalmic solution), Vigamox (moxifloxacin hydrochloride ophthalmic solution)
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Vision Satisfaction in Bright Light
ACUVUE® OASYS With Transitions™ Light Intelligent Technology™ Clinical Performance Registry
This registry study is a one-year, one-visit, observational, prospective, open-label, two-arm, multi-center, multi-national, post-market study of approximately 300 patients who have recently been fitted with the ACUVUE® OASYS…
- Trial name
- NCT04116736
- Testing
- ACUVUE® OASYS with Transitions™, Silicone Hydrogel Contact Lens
- Where
- 22 sites in Spain, United Kingdom
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error
Evaluation of Vision Effects of a Cosmetic Tinted Hydrogel Contact Lens
Subjects will wear 2 of 2 study contact lenses for a wearing time of approximately three to four hours at each of the visits in order to take measurements on binocular functional visual performance.
- Trial name
- NCT02886923
- Testing
- Hioxifilcon A Test, Hioxifilcon A With Cosmetic Ring Control
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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.
Anesthesia, Local
A Safety Study of of AG-920 Sterile Topical Ophthalmic Solution
A Phase 3, randomized, placebo-controlled, double-masked, parallel study in healthy subjects. It is designed to evaluate the ocular safety of a single topical ocular administration of AG-920 sterile topical ophthalmic solution…
- Trial name
- NCT05501860
- Testing
- AG-920
- Where
- 2 sites in United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- American Genomics, LLC
Ocular Hypertension
Effect of Alternate Therapies on Intraocular Pressure in Ocular Hypertension
The purpose of this study is to evaluate the effect of complementary and alternative therapies, specifically alternate nostril breathing and foot reflexology, on intraocular pressure in patients with ocular hypertension.
- Trial name
- NCT02993445
- Testing
- Alternate Nostril Breathing, Foot Reflexology
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Temple University
Presbyopia, Refractive Error
Phase 3 Evaluation of the Safety and Efficacy of LNZ100 & LNZ101 for the Treatment of Presbyopia
Phase 3 study to evaluate the safety and effectiveness of LNZ100 \& LNZ101 for the treatment of Presbyopia.
- Conditions
- Presbyopia, Refractive Error, Eye Diseases, Near Vision
- Trial name
- CLARITY 1 (NCT05656027)
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Brimonidine
- Where
- 25 sites in United States
- Volunteers
- 469 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
Airway Management
King Vision® and GlideScope® in Difficult Airways
There are several advantages of video laryngoscopy; especially their ability to provide superior glottis visualization, as compared to traditional laryngoscopy.1-3 The purpose of this three arm study was to compare the safety and…
- Trial name
- NCT03685968
- Testing
- Video laryngoscopes
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Vision Correction
Acceptance & Tolerance Study of Multifocal Contact Lenses by Functional Emmetropes
The primary objective of this study is to determine the retention rate over a two month period of vision correction in emmetropic, presbyopes fitted with multifocal contact lenses.
- Trial name
- NCT02394925
- Testing
- Multifocal Test Contact lens
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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.
Cataract
Comparison of Functional Vision Provided by AMO Tecnis Z9000 and Alcon SA60AT Acrysof
This study is to compare intraindividually the functional vision provided by two different posterior chamber intraocular lenses: AMO Tecnis Z9000 and Alcon SA60AT Acrysoft.
- Trial name
- NCT00459303
- Testing
- aspherical intraocular lens, spherical intraocular lens
- Where
- Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Pain, Vision Nearsighted
Post Photorefractive Keratectomy (PRK) Use of an Eye Shield for Maintaining Vision and Mitigating Pain
The purpose of this research is to determine if an investigational thin shield over the cornea can safely and effectively reduce or eliminate pain following Post Photorefractive Keratectomy (PRK).
- Trial name
- Nexis-CS0032 (NCT01592643)
- Testing
- Eye Shield
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Stanford University
Cataract, Macular Degeneration
S0000B: Vitamin E and/or Selenium in Preventing Cataract and Age-Related Macular Degeneration in Men on SELECT SWOG-S0000
RATIONALE: Aging may affect a person's vision. Vitamin E and/or selenium may help prevent cataracts or age-related macular degeneration in men receiving these drugs as part of a clinical trial for the prevention of prostate…
- Trial name
- SEE (NCT00784225)
- Testing
- selenium, vitamin E
- Where
- United States
- Volunteers
- 13,475 people, healthy volunteers welcome
- Sponsor
- SWOG Cancer Research Network
Dry Eye Disease
Evaluation of Anti-Inflammatory Treatment in Dry Eye Patients
The purpose of this study was to determine if difluprednate ophthalmic emulsion is effective in reducing the ocular symptoms of dry eye disease, as measured by a global Visual Analog Scale (VAS) discomfort score.
- Trial name
- NCT01276223
- Testing
- Difluprednate 0.05% ophthalmic emulsion, Difluprednate vehicle
- Where
- United States
- Volunteers
- 722 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Intermittent Exotropia
Symmetric vs Asymmetric BLR Recession in Management of Basic IXT With Ocular Dominance
The study aims to investigate ocular motor and sensory outcomes of two different strategies of lateral rectus recession; symmetric and asymmetric, in management of basic type intermittent exotropia with ocular dominance.
- Trial name
- IXT (NCT05234957)
- Testing
- Bilateral Lateral Rectus Recession
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Benha University
Uveitis
Measurement of Anterior Chamber Cell Grading Using Ocular Coherence Tomography
Optical Coherence Tomography (OCT) is routinely used in ophthalmic clinical practice. It uses infrared light to image patient's eyes.
- Trial name
- NCT02907814
- Testing
- Optical Coherence Tomography (OCT), Eye Exam
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
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