Clinical trials: Ocular Pathologies
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.
Cognitive Decline
Early Postoperative Cognitive Impairment in Elderly Patients Following Ocular Surgery
This project will investigate changes in cognitive function in the early postoperative phase (<24 hours) after minor surgery in patients of older age (≥65 years).
- Trial name
- NCT03775343
- Testing
- Neurocognitive Test Battery, Blood sampling
- Where
- Austria
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Color Blindness, Color Vision Defects
Impact of Color Correcting Lenses on Color Vision Deficiency
To demonstrate improved color vision in subjects with color vision deficiencies while wearing color-correcting lenses and after color-correcting lense use.
- Conditions
- Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
- Trial name
- NCT05463016
- Testing
- Experimental Group 1: Color Correcting Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
Diagnosis, Educational Problems
Examining Clinical Reasoning With Eye-tracking
The process of medical information intake, interpretation and diagnosis, commonly referred to as clinical reasoning, involves a complex interaction between visual perception and multiple cognitive processes.
- Trial name
- NCT06470269
- Testing
- Eye tracking
- Where
- Canada
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Neurodegenerative Diseases, Parkinson Disease
Neurodegenerative Diseases Registry
With the increase in life expectancy of our population due to advancement of medical diagnosis and treatments, the incidence of age dependent neurodegenerative diseases increased, including Alzheimer's disease (AD), parkinsonian…
- Conditions
- Neurodegenerative Diseases, Parkinson Disease, Multiple System Atrophy, Progressive Supranuclear Palsy
- Trial name
- NDD Registry (NCT04472130)
- Where
- Hong Kong
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Vincent Mok
Blindness
Enhanced Tactile Memory in the Blind
This study will determine if the brain regions in blind people that would normally be involved in vision are used instead to remember touch.
- Trial name
- NCT00076700
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
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
Head Injury, Traumatic Brain Injury (TBI)
The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study
After a head injury, many people find that exposure to light causes them increased discomfort. By measuring how the pupil in the eye constricts to flashes of red and blue light, this study will investigate whether this phenomenon…
- Conditions
- Head Injury, Traumatic Brain Injury (TBI), Photosensitivity, Photophobia
- Trial name
- HIPP (NCT01942564)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Binocular Vision Disorder, Convergence Insufficiency
Neurolens Convergence Insufficiency Study
To understand the benefits of the neurolens Measurement Device and neurolens treatment as it pertains to treating symptoms related to Convergence Insufficiency.
- Conditions
- Binocular Vision Disorder, Convergence Insufficiency, Computer Vision Syndrome
- Trial name
- NCT05087563
- Testing
- Neurolens spectacle lens
- Where
- 9 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Neurolens Inc.
Vision Impairment, Hearing Impairment
Health Intervention for Adolescents With Intellectual Disability
People with intellectual disability die five to twenty years earlier than the general population. They also experience high levels of unrecognised disease and receive inadequate levels of health promotion or screening.
- Conditions
- Vision Impairment, Hearing Impairment, Obesity
- Trial name
- Ask (NCT00519311)
- Testing
- Health Intervention Package
- Where
- Australia
- Volunteers
- 732 people, healthy volunteers welcome
- Sponsor
- The University of Queensland
Vestibular Schwannoma, Inner Ear Disease
Vestibular Precision: Physiology & Pathophysiology
This project will investigate the role of noise in the vestibular system, and in particular its effects on the variability (precision) of vestibular-mediated behaviors.
- Conditions
- Vestibular Schwannoma, Inner Ear Disease, Dizziness, Neurofibromatosis 2
- Trial name
- NCT04890132
- Testing
- VOR precision training
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Corneal Endothelial Cell Loss, Secondary Intraocular Lens
Anterior Chamber Versus Scleral Fixated Intraocular Lens: Long-term Vision and Safety Outcomes
This is a prospective comparative non-randomized cohort study to understand the long-term vision outcomes, safety, and stability of anterior chamber intraocular lenses (AC IOLs) vs. scleral-fixated intraocular lenses (SF IOLs).
- Trial name
- NCT04072978
- Testing
- Intraocular lens implantation
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Alzheimer Disease, Amyloid Angiopathy
Comparison of OCTA Factors in Patients With or Without Amyloid Pathology: A Prospective Study
To compare alternation of retinal microcirculation within the macula and optic disc in patients with dementia, mild cognitive impairment (MCI), and cognitively healthy subjects who had positive amyloid biomarkers (Aβ +) or not…
- Conditions
- Alzheimer Disease, Amyloid Angiopathy, Macular Ischemia, Dementia
- Trial name
- NCT05475158
- Where
- South Korea
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Pusan National University Hospital
Hearing Loss, Hearing Loss, Age-Related
Sight and Hearing Investigation Into Effects on Delirium
The goal of this observational study is to learn about sensory loss in hospital patients with delirium. The main questions it aims to answer are: Are hearing and vision loss related to increased risk of having delirium? Do…
- Conditions
- Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium
- Trial name
- SHIELD (NCT06176625)
- Testing
- Communication Signage, Amplifier Use
- Where
- United States
- Volunteers
- 1,543 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Stroke, Ischemic, Quadrantanopia
Vision Loss Impact on Navigation in Virtual Reality
The purpose of this research is to better understand the impact of cortically-induced blindness (CB) and the compensatory strategies subjects with this condition may develop on naturalistic behaviors, specifically, driving.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Hemianopsia, Homonymous, Hemianopia, Homonymous
- Trial name
- NCT06047717
- Testing
- Virtual Reality Driving Task
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Dry Eye, Neuropathic Pain
Effect of Trigeminal Nerve Stimulation on Corneal Nerves and Chronic Ocular Pain
Individuals with dry eye tend to present with ocular pain which persists despite the use of topical treatment. This could be secondary to somatosensory impairment attributable to neuropathic pain.
- Conditions
- Dry Eye, Neuropathic Pain, Eye Pain
- Trial name
- NCT04648085
- Testing
- Trigeminal Nerve Stimulation
- Where
- Mexico
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Glaucoma
GlaukomAI: Clinical Validation of an AI System for Early Glaucoma Screening
Glaucoma is one of the leading causes of irreversible blindness worldwide. Early diagnosis is crucial to prevent vision loss, but current diagnostic pathways require multiple specialist visits and tests, leading to long waiting…
- Trial name
- GlaukomAIcare (NCT07668193)
- Testing
- GlaukomAI (Sens-vue GlaukomAI)
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Parkinson's Disease, Parkinsonism
VisMemoPD Protocol: an Observational Pilot Study on Spatial and Topographical Memory in Patients With Parkinson's Disease and Parkinsonism
VISMEMO-PD is an observational pilot study aimed at investigating visuospatial memory in reaching space and topographical memory in navigational space in patients with Parkinson's disease and Parkinsonism.
- Conditions
- Parkinson's Disease, Parkinsonism, Multiple System Atrophy, Progressive Supranuclear Palsy
- Trial name
- VISMEMO-PD (NCT07827963)
- Testing
- Multimodal visuospatial and topographical memory assessment
- Where
- 3 sites in Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele Roma
Blindness,Visual Impairment, Refractive Error, Cataract, High Myopia, Aging
Shanghai Eye Study for Adults
Blindness and visual impairment severely impact the visual health and life quality of people, particularly the 2.566 million senior citizens aged at 65 and above in Shanghai.
- Trial name
- SESA (NCT03455478)
- Testing
- spectacles
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Disability Physical, Disabilities Multiple
Attitudes Towards Disability of Nursing and Physiotherapy Students
The general objective of this study is to know the attitude towards people with disability of Nursing and Physiotherapy students in the University of Cadiz. This is a descriptive, correlational, transversal and synchronous study.
- Conditions
- Disability Physical, Disabilities Multiple, Disability Hearing, Disability, Vision
- Trial name
- NCT04498637
- Testing
- 'Attitudes towards people with disability Scale'
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Extremadura