Clinical trials: Cycloplegia
Presbyopia
A Clinical Trial to Evaluate a Corneal Inlay for the Improvement of Near Vision in Presbyopic Patients
This study will be a prospective, multicenter clinical trial in which a total of 400 subjects will be enrolled. All subjects will be followed over a 36 month time frame with a maximum of 15 clinical sites participating.
- Trial name
- NCT01373580
- Testing
- The Raindrop Near Vision Inlay
- Where
- 11 sites in United States
- Volunteers
- 373 people, healthy volunteers welcome
- Sponsor
- ReVision Optics, Inc.
Cataract
Age-Related Changes and Cycloplegia-Induced Differences in the Human Crystalline Lens
The ocular biometric parameters of the human crystalline lens including anterior chamber depth (ACD), lens thickness (LT), radii of curvature of anterior and posterior lens (ALR and PLR), lens equatorial diameter (LED), and lens…
- Trial name
- NCT04576884
- Where
- China
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Ametropia, Myopia; Refractive Error
The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.
The goal of this clinical trial is to evaluate the performance of a photorefraction screener in terms of sensibility, sensitivity and accuracy on children aged 3 to 8 y.o.
- Conditions
- Ametropia, Myopia; Refractive Error, Myopia; Astigmatism
- Trial name
- NCT06882408
- Testing
- Photorefraction device under investigation, Comparator device, Tabletop auto-refractometer, Comparator device, portable photorefraction device
- Where
- 2 sites in France
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors
A New More Efficient Cycloplegia Scheme
The purpose of this study is to determine whether tropicamide + phenylephrine cyclopentolate + applied for once waiting 30 minutes to retinoscopy (new scheme) is not inferior to apply cyclopentolate alone and wait 45 minutes to…
- Trial name
- NCT02177539
- Testing
- Cyclopentolate, Cyclopentolate+tropicamide+phenylephrine
- Where
- Chile
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Cycloplegia
Cycloplegic Refraction Among Children
The primary outcome of this study is to compare cyclopentolate 1% and tropicamide 1% for cycloplegic refractions in pediatric populations.
- Trial name
- NCT05442801
- Testing
- Cyclopentolate, Tropicamide
- Where
- Jordan
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Islamic Hospital, Jordan
Cycloplegia, Refractive Errors
Cycloplegic Refraction in Pediatric Patients With Esotropia
The primary outcome of this study is to compare cyclopentolate 1% and tropicamide 1% for cycloplegic refractions in pediatric populations with esotropia.
- Conditions
- Cycloplegia, Refractive Errors, Esotropia, Vision Disorders
- Trial name
- NCT06077682
- Testing
- Cyclopentolate, Tropicamide
- Where
- 2 sites in Jordan, Qatar
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Islamic Hospital, Jordan