Clinical trials: Low Vision
Low Tension Glaucoma
Evaluation of Blood Flow Regulation With Laser Speckle Flowgraphy
The study includes Caucasian patients with diagnosis of normal tension glaucoma and age- and sex-matched healthy individuals. Measurements of optic nerve head blood flow will be performed with laser speckle flowgraphy (LSFG).
- Trial name
- NCT03391518
- Testing
- Water drinking test
- Where
- Austria
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Augenabteilung Allgemeines Krankenhaus Linz
Blindness, Visual Impairment
MySpace: the Role of Vision in Representing Space
My Space aims to identify the ontogenesis of spatial representation through cross-sectional and longitudinal studies in infants, children, and adolescents with typical and atypical development (visual impairments).
- Trial name
- NCT06364605
- Testing
- Rehabilitation with the iReach novel multisensory medical device
- Where
- Italy
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
Nature, Human, Microbial Colonization
Biodiversity Interventions for Assisted Living Centers
Biodiversity is essential for nature and human well-being. Land use has reduced biodiversity in cities, which weakens the functionality of the urban ecosystems and the well-being of citizens.
- Conditions
- Nature, Human, Microbial Colonization, Well-Being, Psychological, Immune System and Related Disorders
- Trial name
- BIWE (NCT06390683)
- Testing
- Rewilding
- Where
- Finland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Natural Resources Institute Finland
Low Vision
Obstacle Negotiation in Older People With and Without Vision Impairment
Falls are common among people with vision impairment and can lead to devastating health consequences. Understanding the functions of vision and how the visual characteristics of obstacles in the walking path impact the gait of…
- Trial name
- NCT05888441
- Testing
- Obstacle characteristics
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Indiana University
Refractive Error - Myopia Axial, Astigmatism
Refractive Accuracy of "2WIN" and Portable Autorefractors
Youth and some adults have photoscreening refractions and hand-held auto refraction before cycloplegia refraction during new and follow up eye examinations.
- Conditions
- Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment
- Trial name
- NCT04249505
- Testing
- "2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
- Where
- United States
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Healthy
Effectiveness of the Serious Game 'Broodles' for Siblings of Children With Visual Impairment and/or Intellectual Disability
The support for siblings of children with disabilities is scarce and fragmented, even though studies have shown that these siblings can benefit from support.
- Trial name
- NCT05376007
- Testing
- Serious game 'Broodles'
- Where
- Netherlands
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- VU University of Amsterdam
Central Visual Impairment
Peripheral Reading
The purpose of this study is to evaluate reading performance in the visual periphery by simulating central vision loss using a computer-controlled gaze-contingent display with an eye tracker.
- Trial name
- NCT03640130
- Testing
- Gaze-contingent text enhancement
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Houston
Glaucoma
Clinical Effectiveness of Low Vision Rehabilitation in Glaucoma Patients
Our team is interested in what can be done to improve the functioning of patients who suffer from glaucoma, a chronic and irreversible eye disease.
- Trial name
- LOVIT (NCT01262209)
- Testing
- portable CCTV, Telescopes, telemicroscopes and microscopes, Absorptive filters
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
High Myopia
Shanghai High Myopia Study for Adults
High myopia retinopathy has become the first cause of irreversible blindness and severe visual impairment in Chinese adults, in order to avoid the blind and visual impairment caused by high myopia retinopathy, it is very…
- Trial name
- SHMSA (NCT03446300)
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongmou Therapeutics
Low Vision in Children
Research and Development of Reading Visual Aids for Low-Vision Individuals Based on Virtual Reality Technology
Low vision substantially impairs reading ability and educational participation in adolescents. Existing assistive technologies, including optical magnifiers and electronic visual aids, are often limited by fragmented system…
- Trial name
- NCT07703449
- Testing
- VR-Based Intelligent Reading Aid, Natural Vision Reading (No Assistive Device)
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Training Group, Sensitivity
Developing and Testing a Low Cost Opportunistic Glaucoma Screening Model by Non-physician Graders in Vietnam
This study aims to develop a training course for screening glaucoma using fundus images obtained during diabetic retinopathy screening by non-physician graders.
- Trial name
- NCT05151757
- Testing
- A standard image training set
- Where
- Vietnam
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Cognition Disorders
Impact of Glasses for Vision Problems on Cognitive Function in Rural Older Adults
The aim of this project is to explore whether vision correction can effectively slow cognitive decline in older adults. The primary question it seeks to answer is: Can providing free near and/or distance vision correction glasses…
- Trial name
- CLEVER (NCT06836440)
- Testing
- Free Prescription Glasses
- Where
- China
- Volunteers
- 964 people, healthy volunteers welcome
- Sponsor
- Yuju Wu
Accidental Fall, Visual Impairment
Falls Prevention for Visually Impaired Older People
This study aims to examine the effectiveness of an intensive five day falls prevention training programme with a home evaluation and a home exercise programme, compared with a home evaluation and exercise programme alone for…
- Conditions
- Accidental Fall, Visual Impairment, Fall
- Trial name
- NCT04078529
- Testing
- 5 day falls prevention training, Home exercise programme, Environmental Assessment
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Blind Veterans UK
Neurocognitive Deficit
Validation of MoCA-B and MoCA-Blind for Screening Cognitive Decline
The objective of this observational study is to assess the efficacy of two neuropsychological tests (MoCA-B and MoCA-Blind) in detecting cognitive decline in older adults.
- Trial name
- NCT07846839
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Rio Grande do Norte
Corneal Astigmatism
Treatment of Vision Disturbances Due to Corneal Irregularities by Trans-epithelial Optical Phototherapeutic Keratectomy (TE-oPTK)
This study sets out to evaluate the EpiMaster application software for use in predicting the refractive change induced by a trans-epithelial phototherapeutic keratectomy (TE-PTK) procedure in eyes with irregularly irregular…
- Trial name
- NCT03841253
- Testing
- Trans-epithelial PTK, Trans-epithelial PTK (retrospective data collection), EpiMaster Application Software
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- London Vision Clinic
Low Vision
Wearable Echolocation Aids Using Parametric Sound
The objective of this study is to study a novel device designed to aid patients with impaired vision to safely navigate their environment.
- Trial name
- NCT07218991
- Testing
- Wearable Echolocation Device
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Children Suffering From Cortical Visual Impairment
Validation of a Parental Questionnaire for Screening Children for Neurovisual Disorders
Some children present visual difficulties linked not to damage to the eye, but to damage to the brain. This type of dysfunction of the visual cerebral pathways leads, for example, to difficulties in recognition, visuomotor…
- Trial name
- NCT06997354
- Testing
- Questionnaire
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Visual Impairment, Menstrual Problem
Menstrual Health Education for Visually Impaired Adolescent
This study was planned as a two-group randomized controlled interventional study to determine the effect of face-to-face and web-based menstrual health education given to visually impaired adolescent girls on menstrual attitude…
- Trial name
- NCT06490016
- Testing
- web based education, Face to face
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Cukurova University