Clinical trials: Astigmatism of Both Eyes
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
Astigmatism of Both Eyes, Amblyopia
Comparison of Deviation Types Among Astigmatic Children With Or Without Amblyopia
the records of astigmatic children were reviewed and any deviation was investigated at near and distance. refractive errors, stereopsis, convergence insufficiency were also evaluated.
- Conditions
- Astigmatism of Both Eyes, Amblyopia, Strabismus
- Trial name
- NCT04432181
- Testing
- ophthalmic examination
- Where
- Turkey (Türkiye)
- Volunteers
- 62 people
- Sponsor
- Sakarya University
Amblyopia Bilateral, Hyperopia of Both Eyes
Hyperopia Detection GCK With Glow Fixation
"GoCheck Kids" has added to its iPhone 7+ smart phone with flash concentrator a non-accommodating glow box fixation target. In pediatric eye patients, the "GCK" with glow box is compared to cycloplegic refraction as well as…
- Conditions
- Amblyopia Bilateral, Hyperopia of Both Eyes, Astigmatism Bilateral, Accommodation Disorder
- Trial name
- NCT04297969
- Testing
- objective pediatric vision screen "GCK glow fixation"
- Where
- United States
- Volunteers
- 133 people
- Sponsor
- Alaska Blind Child Discovery