Clinical trials: Amblyopia
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
Amblyopia
Perceptual Learning Treatment for Amblyopia
Objectives. To develop a new treatment for amblyopia using a perceptual learning approach. Hypothesis to be tested. Our proposed experiments are designed to investigate whether practicing a grating detection task can improve…
- Trial name
- NCT03788031
- Testing
- Acuity training, Occlusion therapy
- Where
- Hong Kong
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Strabismus
Mobile Medical Application for Cost-effective Strabismus Screening
Develop and evaluate a new smartphone based app to screen for and measure eye misalignment (strabismus). The investigators will validate the app against simulated strabismus of known magnitude and common clinical tests.
- Trial name
- NCT03450980
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Hyperopia, Amblyopia
Effect of Peripheral Defocus on Axial Growth in Hyperopes
Hyperopia, also known as farsightedness, is a common type of refractive error where distant objects may be seen more clearly than objects that are near.
- Conditions
- Hyperopia, Amblyopia, Anisohyperopia
- Trial name
- NCT02686879
- Testing
- Multifocal contact lenses, Single vision contact lenses
- Where
- 2 sites in United Kingdom
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Aston University
Amblyopia, Strabismus
Vision In Preschoolers Study (VIP Study)
To identify vision-screening tests that can accurately predict those three- and four-year old preschoolers who would benefit from a comprehensive vision examination because of signs of amblyopia, strabismus, and/or significant…
- Conditions
- Amblyopia, Strabismus, Refractive Error
- Trial name
- NCT00038753
- Testing
- Vision Screening
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
2WIN-S Portable Refractor
Comparing Preschool-Aged Refractive Measurements and Amblyopia Risks Using the 2WIN-S Portable Refractor with Vision Screening by Cycloplegic Refraction in Bangkok
The goal of this diagnostic test is to compare the results of refraction and amblyopia risks between using 2WIN-S portable refractor and cycloplegic refraction in pre-school age.
- Trial name
- NCT06148519
- Testing
- 2WIN-S portable refractor
- Where
- Thailand
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Amblyopia
Amblyopia Treatment for Children Aged 8 to 12 Years
This study is being done to assess the effect of at-home amblyopia treatment with Curesight™ for children aged 8 to 12 years. Curesight™ allows you to stream any videos on a computer screen at home but the amblyopic eye will see…
- Trial name
- NCT07281742
- Testing
- Curesight dichoptic videos
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Retina Foundation of the Southwest
Amblyopia, Anisometropia
Enhanced Housing Photoscreeners 2WIN and GoCheckKids Compared in Burma and Alaska
"Adaptica" (Padova, Italy) designed a fixed-distance, dark portable tube with power and remote control for the "2WIN: photoscreener.
- Trial name
- NCT04068129
- Testing
- photoscreen
- Where
- United States
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Amblyopia
5 Years of Eye Screening for ARF in Children Aged <3 Years in Flanders
Researchers will investigate the distribution and evolution of amblyopia risk factors and other refractive errors in children younger than 3 years of age.
- Trial name
- NCT05612568
- Where
- Belgium
- Volunteers
- 250,000 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Strabismus, Amblyopia
Exercise Interventions of Eye Muscles Post Strabismus Surgery
It will be hypothesized that: Eye exercises have a positive effect on correction of remaining ocular deviation post strabismus surgery. Eye exercises have a positive effect on improving amplyobia.
- Trial name
- NCT04303832
- Testing
- eye exercises, eye glasses
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Amblyopia
Virtual Reality Game Playing in Amblyopia Therapy
Background: "Amblyopia is a neurodevelopmental disorder in both monocular and binocular functions and it extends even beyond the primary visual integration centers", therefore, amblyopia is not a "lazy eye" but it is a "lazy…
- Trial name
- NCT04261868
- Testing
- Virtual Reality, Patching
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hamideh Sabbaghi
Amblyopia ex Strabismus, Amblyopia ex Anisometropia
Neurovascular Coupling in Subjects With Amblyopia
Amblyopia is a developmental condition that is characterized by reduced vision of the eye due to the presence of a sensory impediment during visual development, such as strabismus (ocular misalignment) or anisometropia (unequal…
- Trial name
- NCT01746693
- Testing
- Dynamic Vessel Analyzer, Laser Doppler Velocimetry, 7-Tesla MRI
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Amblyopia
Children's Eye Examination and Testing At Home Study
Repeated measures observational study of tablet-based children's visual acuity tests.
- Trial name
- CHEETAH (NCT06980415)
- Testing
- Kay Pictures iSight
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University Hospital Southampton NHS Foundation Trust
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