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
Effect of Single Incision Versus Three Planned Incisions to Reduce Pre-operative Astigmatism After Phacoemulsification.
Cataract surgery by phacoemulsification is the most commonly performed procedure in Pakistan. Cataract surgery aims for visual rehabilitation and freedom from all kinds of eyewear.
- Trial name
- NCT05457348
- Testing
- Planned incisions during phacoemulsification
- Where
- Pakistan
- Volunteers
- 160 people
- Sponsor
- Suleman Roshan Medical College
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
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
Contact Lens, Astigmatism of Both Eyes
Wear Experience With Daily Toric Contact Lenses Over a Long Day
This study is evaluating the wear experience of a daily toric contact lens after 10, 12, 14, and 16 hours of lens wear.
- Trial name
- NCT04844281
- Testing
- Precision1® Daily Disposable Toric Contact Lens
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ohio State University