Clinical trials: Vision Screening
Visual Acuity
Study to Evaluate Visual Acuity Measured With the EyeQue Insight Versus a Standard Eyechart.
Open label exploratory study of the EyeQue Insight in healthy volunteers >=7 years of age.
- Trial name
- NCT04474041
- Testing
- EyeQue Insight
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
Amblyopia, Child
Early Vision Screening in High-risk Children
To evaluate the effect of early vision screening with automated photorefraction device in high risk children
- Trial name
- NCT02678468
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Eye Diseases
Increasing Vision Center Service Utilization
Background: Vision Centre (primary eyecare facility): a major eye care service model catering to underserved rural areas. The sustainability of rural Vision Centres (VC) in north India is a major challenge due to the…
- Trial name
- NCT04800718
- Testing
- Intervention Arm
- Where
- India
- Volunteers
- 1,500 people
- Sponsor
- Seva Foundation
Amblyopia
Gocheck Kids vs. Welch Allyn Spot Vision Screener
The investigators are conducting a prospective evaluation of the ability of two vision photoscreening devices (GoCheck Kids and the Welch Allyn Spot Vision Screener) to detect risk factors for amblyopia.
- Trial name
- NCT04321538
- Testing
- Gocheck Kids, Welch Allyn Spot Vision Screener, Physical Exam
- Where
- United States
- Volunteers
- 227 people
- Sponsor
- Yale University
Diabetes Mellitus, Glaucoma
Smartphone Screening for Eye Diseases
To validate new screening instruments for eye disease, increase eye care access in underserved communities, and provide a scientifically implemented method to set up programs for eye disease screening.
- Conditions
- Diabetes Mellitus, Glaucoma, Age Related Macular Degeneration, ROP
- Trial name
- NCT03076697
- Testing
- Fundus photography
- Volunteers
- 472 people
- Sponsor
- University of Michigan
Children Aged 3-5 Years, Vision Screening
Shared Reading for Pediatric Ophthalmic Education
We use generative AI to make personalized books for young children about going to the eye doctor. We want to see if reading these stories helps kids feel more comfortable and improves their overall experience at the clinic.
- Conditions
- Children Aged 3-5 Years, Vision Screening, Cycloplegic Refraction
- Trial name
- NCT07590791
- Testing
- Generative AI-customized educational book, standard printed educational leaflet, Commercially available children's book
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mackay Memorial Hospital
Cerebral Visual Impairment
Neurodevelopmental Outcomes in Cerebral Visual Impairment
Cerebral visual impairment (CVI) is one of the leading causes of pediatric visual impairment and negatively impacts the development of motor, language, and cognitive skills.
- Trial name
- CVI-ND (NCT07212010)
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Amblyopia, Strabismus
Multimodal Physician Intervention to Detect Amblyopia
Current research shows low rates of quantitative vision screening at preschool ages in the medical home. This study targets providers (PCPs) to evaluate the effectiveness of a web-based intervention to improve knowledge about…
- Trial name
- EPPICC (NCT01109459)
- Testing
- Pediatric blood pressure screening, Pediatric vision screening
- Where
- United States
- Volunteers
- 136 people
- Sponsor
- University of Alabama at Birmingham
Visual Impairment
Cell Phone Application for Vision Assessment
The purpose of this study is to evaluate how visual acuity assessed with Peek Acuity (a cell phone application to check visual acuity) among preschool and school-aged children 3 to less than18 years of age (1) compares to the…
- Trial name
- NCT03212222
- Testing
- Peek Acuity, Standard Visual Screening
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Duke University
Behavioral Dynamics, Visual Impairment
Video Screening for Visual Impairment of Infants
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT04237350
- Testing
- Video recording for behaviors
- Where
- China
- Volunteers
- 3,652 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Vision Disorders
SPOT Vision Screening
The purpose of this protocol is to determine if the Welch-Allyn Spot Vision Screener (SPOT) is effective at detecting various risk factors for poor vision in developmentally delayed children.
- Trial name
- NCT03479021
- Testing
- Welch-Allyn Spot Vision Screener
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Children's Hospital Colorado
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
Orbital Neoplasms, Conjunctival Neoplasms
Artificial Intelligence-assisted Screening of Malignant Pigmented Tumors on the Ocular Surface
Rare diseases generally refer to diseases whose prevalence rate is lower than 1 / 10 000 and the number of patients is less than 140000.
- Conditions
- Orbital Neoplasms, Conjunctival Neoplasms, Eye Neoplasms
- Trial name
- NCT05645341
- Testing
- screening system for ocular surface malignant tumors
- Where
- China
- Volunteers
- 535 people
- Sponsor
- Sun Yat-sen University
Amblyopia, Strabismus
Screening for 3-D Visual Disorders in Preschool Children
Visual screening is necessary among pre-school children as they found themselves in a critical period of visual developement. To date, there are no national vision screening program that has been implemented nationwide.
- Conditions
- Amblyopia, Strabismus, Anisometropia
- Trial name
- VISION (NCT05204069)
- Testing
- Instillation of cyclopentolate
- Where
- France
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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)
Amblyopia
Efficacy of Visual Screening in Ontario
Amblyopia (lazy eye), is the leading treatable cause of vision loss in childhood. Uncorrected refractive errors (ie farsightedness) can lead to difficulties in school.
- Trial name
- NCT02458846
- Testing
- Crowded HOTV Acuity Test, Preschool Randot Stereoacuity Test, Plusoptix Autorefractor
- Where
- Canada
- Volunteers
- 2,597 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using Retinal Birefringence Imaging
The purpose of this project is to compare the accuracy of two products at detecting amblyopia and strabismus in children. The devices will be Rebiscan's "blinq" (Pediatric Vision Scanner; PVS) and Rebiscan's RBI (Retinal…
- Trial name
- RBI (NCT03919708)
- Testing
- Retinal Birefringence Imager
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.