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Results for “Ocular, Refraction”

109 trials

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Showing 20 of 109 results

Not applicableLooking for participantsNCT07387159
What this trial is testing

Effect of MiYOSMART iQ Spectacle Lenses on Myopia Progression in Children

Who this might be right for
Myopia, Child Myopia Progression
Hoya Lens Rus LLC 70
Not applicableStudy completedNCT01140477
What this trial is testing

Toric Intraocular Lens Following Cataract Surgery

Who this might be right for
CataractAstigmatism
Bausch & Lomb Incorporated 229
Testing effectiveness (Phase 2)Ended earlyNCT00574717
What this trial is testing

Enhancement of Emmetropization in Hyperopic Infants

Who this might be right for
HyperopiaHypermetropiaFarsightedness
Ohio State University 6
Not applicableStudy completedNCT06295536
What this trial is testing

Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children

Who this might be right for
Ametropia
Essilor International 121
Testing effectiveness (Phase 2)Study completedNCT05059041
What this trial is testing

Dilated Versus Non-Dilated Wavefront Corrections for Patients With Down Syndrome

Who this might be right for
Down SyndromeRefractive Errors
Ohio State University 42
Not applicableStudy completedNCT00347347
What this trial is testing

Comparative Study of Cycloplegic Refraction and Subjective Refraction With Fogging in School Age Children

Who this might be right for
MyopiaRefractive Error
Singapore National Eye Centre 150
Not applicableLooking for participantsNCT07690813
What this trial is testing

ML Models Predicting Cycloplegic Refractive Error Based on Non-Cycloplegic Parameters in Myopic Adults

Who this might be right for
Refractive ErrorsCycloplegic RefractionAccommodation
Second Affiliated Hospital of Nanchang University 2,500
Not applicableUnknownNCT03419351
What this trial is testing

Comparison of a Smartphone Based Self Refraction Tool With Conventional Refraction Error Estimation Methods

Who this might be right for
Refractive ErrorsSelf-Examination
University Hospital Tuebingen 50
Not applicableUnknownNCT01198483
What this trial is testing

Microincision Versus Smallincision Combined Surgery

Who this might be right for
Cataract Extraction
The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery 80
Not applicableStudy completedNCT03142269
What this trial is testing

The Influences Of Anterior Capsule Polishing On Anterior Capsular Changes and Intraocular Lenses Stability of Super High Myopic Eyes

Who this might be right for
Myopia, High, With Cataract and Anterior Capsule Polished
yin ying zhao 20
Not applicableStudy completedNCT03597906
What this trial is testing

Topography Guided LASIK by Different Protocols for Treatment of Astigmatism

Who this might be right for
Refractive Surgery
Cairo University 30
Large-scale testing (Phase 3)Study completedNCT03475875
What this trial is testing

Contact Lenses With New UV-blocker Manufactured With Different Techniques

Who this might be right for
Correction of Refraction ErrorAttenuation of Bright Light
Johnson & Johnson Vision Care, Inc. 92
Not applicableStudy completedNCT01704729
What this trial is testing

The Children's WEAR Trial(Phase 1&2)

Who this might be right for
Myopia
Sun Yat-sen University 2,300
Post-approval studies (Phase 4)UnknownNCT02177539
What this trial is testing

A New More Efficient Cycloplegia Scheme

Who this might be right for
Refractive Errors
Pontificia Universidad Catolica de Chile 30
Not applicableStudy completedNCT06452524
What this trial is testing

Prematurity and Ophthalmological Changes

Who this might be right for
Retinopathy of PrematurityMyopia
Ankara City Hospital Bilkent 211
Not applicableEnded earlyNCT06148519
What this trial is testing

Comparing Preschool-Aged Refractive Measurements and Amblyopia Risks Using the 2WIN-S Portable Refractor with Vision Screening by Cycloplegic Refraction in Bangkok

Who this might be right for
2WIN-S Portable Refractor
Department of Medical Services Ministry of Public Health of Thailand 250
Not applicableStudy completedNCT07294404
What this trial is testing

Peripheral Relative Refractive Power of Orthokeratology Lenses

Who this might be right for
MyopiaMyopia; Refractive Error
Tianjin Eye Hospital 53
Not applicableEnrolling By InvitationNCT05670626
What this trial is testing

Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault

Who this might be right for
Refractive ErrorsMyopiaMyopic Astigmatism
Kasr El Aini Hospital 40
Not applicableUnknownNCT04572334
What this trial is testing

Eyhance Autorefraction Study

Who this might be right for
Cataract Senile
Vienna Institute for Research in Ocular Surgery 100
Not applicableStudy completedNCT03957408
What this trial is testing

Investigational Study of Accommodation Triggering and Control to Allow for the Performance of Refraction Measurements

Who this might be right for
Accommodation
EyeQue Corp. 38
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