Clinical trials: Vision Disorder
Dry Eye Syndromes
ACCURATE Study for Subjects With Dry Eyes
To determine treatment and imaging outcomes in bilateral ocular surface disease management with an intracanalicular dexamethasone (0.4 mg) insert compared to standard topical over-the-counter artificial tears lubrication…
- Trial name
- ACCURATE (NCT04237012)
- Testing
- Dextenza 0.4Mg Intracanalicular Insert, Over the counter Artificial tears
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Eye Centers of Racine and Kenosha
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.
Vision Impairment, Blindness
Assessment of the Validity, Reliability, and Feasibility of Two Smartphone Applications for Testing the Visual Acuity
Visual acuity (VA) is the most common measure of visual function globally. In clinical settings and during screening events, VA is an important measure to quantify changes in vision over time.
- Trial name
- NCT04936100
- Testing
- Assessment of distance and near visual acuity using "Vision Screening module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Test Yourself module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Peek Acuity" application
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Myopia, Maculopathy
Optical Coherence Tomography Imaging of the Posterior Segment in High Myopia.
The prevalence of myopia in East Asia and Singapore in particular is amongst the highest in the world, with estimates ranging from 30-70% of the general population. Up to 30% of these are high myopes.
- Conditions
- Myopia, Maculopathy, Glaucoma
- Trial name
- NCT00347451
- Where
- Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Near Vision, Refractive Error Correction
Clinical Outcomes of the Use of a Femtosecond Laser Treatment in a Patient With Implanted Monofocal IOLs
This study aims to assess the safety and efficacy of evaluating near vision or refractive error in eyes implanted with a mono focal intraocular lens (IOL) using a low-energy femtosecond laser.
- Trial name
- NCT07447622
- Testing
- Device
- Where
- Czechia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Perfect Lens, LLC
Traumatic Brain Injury (TBI) Patients, Severe Traumatic Brain Injury
SeeMe: Using Automated Facial Tracking to Detect Voluntary Behavior in Brain Injury
Objective: This prospective interventional study introduces "SeeMe," an automated, high-resolution computer vision platform designed to objectively quantify microscopic, auditory command-evoked movements in patients with…
- Trial name
- NCT07560631
- Testing
- SeeMe Multimodal Auditory Command Protocol
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Stony Brook University
Glaucoma
Blood Flow Regulation in Glaucoma
Glaucoma is one of the leading causes for blindness in industrialized countries. It is characterized by a progressive loss of retinal ganglion cells, morphological changes in the optic nerve head and a characteristic loss of…
- Trial name
- NCT02292381
- Testing
- Isometric exercise
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Measurement of the Elasticity of the Anterior Eye Segment
A Pilot Study to Test the Safety and Feasibility of a Brillouin Ocular Analyzer
A Brillouin ocular analyzer uses a low-power near infrared laser light to probe the viscoelastic properties of the cornea and crystalline lens in the eye.
- Trial name
- Brillouin I (NCT01775007)
- Testing
- Brillouin Ocular Analyser
- Where
- 2 sites in United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Glaucoma
Ahmed Glaucoma Valve Implantation; Graft-Free Short Tunnel Small Flap Versus Scleral Patch Graft
Glaucoma implants have been used for refractory glaucoma and are gaining popularity as a primary procedure in selected patients.
- Trial name
- NCT03551834
- Testing
- Conventional scleral patch graft glaucoma implantation, New surgical method (short tunnel small flap technique)
- Where
- Iran
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Glaucoma
Comparing Conscious Sedation to Retrobulbar Block Anesthetics During Trans-scleral Diode Laser
This is a non-inferiority trial with a prospective randomized controlled design assessing patient satisfaction and complications associated with both retrobulbar block anesthetics (current gold standard) and conscious IV sedation…
- Trial name
- NCT03646500
- Testing
- Retrobulbar Block, Remifentanil
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Queen's University
Dry Eye, MGD-Meibomian Gland Dysfunction
Study on Prevention and Treatment of Dry Eye in Patients Using Glaucoma Drops
A multicenter randomized controlled trial on prevention and treatment of ocular surface injury and meibomian gland dysfunction in patients using anti-glaucoma eye drops.
- Trial name
- NCT03515187
- Testing
- 0.3% sodium hyaluronate ophthalmic solution, 0.1% sodium bromide solution, Meibomian gland massage
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Shenzhen Hospital of Southern Medical University
Blindness
Sensory Substitution and Brain Plasticity Following Vision Loss
The goal of this clinical investigation is to learn how the brain responds when visual information is converted into patterns of sound or touch in blind and sighted participants.
- Trial name
- SenSubMRI (NCT07450677)
- Testing
- Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight)
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Stanford University
Myasthenia Gravis
Screening of Serum Exosomal miRNA as a Biomarker for Ocular Muscle Myasthenia Gravis
Ocular muscle myasthenia gravis (Ocular Myasthenia Gravis, OMG) has a high incidence and is difficult to diagnose. It is very necessary to find specific diagnostic indicators for OMG.
- Trial name
- NCT05888558
- Testing
- Body fluid diagnosis
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Jinan University
Glaucoma
Intraocular Pressure (IOP) Lowering Efficacy of Transdermal Brimonidine Therapy
The purpose of this study is to evaluate the safety and effectiveness in lowering intraocular pressure (IOP) utilizing an experimental lotion containing 0.1% Brimonidine that is applied to the outside of one eyelid.
- Trial name
- NCT01345448
- Testing
- Brimonidine
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Nanduri, Padma, M.D., FACS
Obstructive Sleep Apnoea, Open Angle Glaucoma
Prevalence of Obstructive Sleep Apnoea in Glaucoma
This study aims to investigate a potential link between Obstructive Sleep Apnoea (OSA) and Open Angle Glaucoma (OAG); initially by determining whether the prevalence of OSA is higher in patients with OAG in comparison to people…
- Trial name
- POSAG (NCT02713152)
- Where
- United Kingdom
- Volunteers
- 403 people, healthy volunteers welcome
- Sponsor
- Papworth Hospital NHS Foundation Trust
Glaucoma, Open-Angle
Trabeculectomy Versus 2-iStent and Prostaglandin Study
Investigators hypothesize that the synergistic action of iStent in increasing aqueous outflow through the trabecular meshwork and use of prostaglandin analog such as travoprost or latanoprost to increase uveoscleral outflow will…
- Trial name
- TIPS (NCT03274323)
- Testing
- iStent and travoprost or latanoprost, Trabeculectomy
- Volunteers
- healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Retinal Disease, Healthy
Data Gathering for A10900
The objective of this study is to gather Optical Coherence Tomography (OCT) data on normal and diseased eyes
- Conditions
- Retinal Disease, Healthy, Glaucoma, Corneal Diseases
- Trial name
- NCT07149740
- Testing
- OCT
- Where
- 4 sites in United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Strabismus, Esotropia
Strabismus Surgery and Driving Ability
The strabismus impacts binocular visual acuity and stereoscopy. Thus, driving capacities of patients with strabismus may be reduced.
- Conditions
- Strabismus, Esotropia, Exotropia
- Trial name
- NCT02570555
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
HIV Infection, Infection, Human Immunodeficiency Virus
KALETRA Or LEXIVA With Ritonavir Combined With EPIVIR And Abacavir In Naive Subjects Over 48 Weeks
This study will compare the ability of fosamprenavir 700 mg with ritonavir 100 mg twice a day or lopinavir 400 mg with ritonavir 100 mg twice a day both combined with a fixed dose combination tablet of abacavir 600 mg and…
- Trial name
- NCT00085943
- Testing
- LEXIVA (GW433908), Ritonavir, KALETRA
- Where
- 119 sites in United States, Austria and 12 more
- Volunteers
- 866 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Ocular Surface Disease
Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device
Conjunctival goblet cells secrete mucin, vital for tear film stability. Dysfunction can cause tear film issues and lead to diseases like dry eye. Imaging these cells is crucial for diagnosis and treatment.
- Trial name
- NCT06427629
- Testing
- Imaging of conjunctival goblet cell
- Where
- South Korea
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital