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Results for “Corneal Astigmatism”

115 trials

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Showing 20 of 115 results

Not applicableNot Yet RecruitingNCT06739018
What this trial is testing

Anterior Segment and Corneal Parameters in Keratoconus and High Myopic Astigmatism Using Schiempflug Imaging

Who this might be right for
KeratoconusHigh Myopia
Assiut University 66
Not applicableUnknownNCT03450213
What this trial is testing

Astigmatism in Keratoconus Patients

Who this might be right for
Keratoconus
Assiut University 100
Not applicableLooking for participantsNCT03299530
What this trial is testing

Accuracy of Corneal Astigmatism in Different Region Modes

Who this might be right for
AstigmatismCornea
Wenzhou Medical University 70
Testing effectiveness (Phase 2)Study completedNCT01024855
What this trial is testing

Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions

Who this might be right for
MyopiaHyperopiaAstigmatism
Abbott Medical Optics 30
Not applicableStudy completedNCT00842231
What this trial is testing

Assessment of Visual Performance in Patients With Low Levels of Astigmatism

Who this might be right for
Cataract ExtractionCorneal Astigmatism
Alcon Research 40
Not applicableStudy completedNCT06277349
What this trial is testing

Multifocal-toric IOL Compared to Multifocal IOL Combined With Limbal Relaxing Incisions for Correction of Moderate Astigmatism During Cataract Surgery

Who this might be right for
CorneaAstigmatismCataract
Moorfields Eye Hospital NHS Foundation Trust 30
Not applicableUnknownNCT06256770
What this trial is testing

Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia

Who this might be right for
Ocular Surface DiseaseIrregular AstigmatismContact Lens Complication+1 more
Tianjin Eye Hospital 176
Not applicableStudy completedNCT03771352
What this trial is testing

Clinical Study to Evaluate the RxSight Light Adjustable Lens With the Light Delivery Device in Subjects With Preoperative Corneal Astigmatism

Who this might be right for
Cataract
RxSight, Inc. 55
Not applicableStudy completedNCT04924231
What this trial is testing

Effect of 1.8-mm Steep-axis Clear Corneal Incision on the Posterior Corneal Astigmatism in Candidates for Toric IOL Implantation

Who this might be right for
Cataract
Second Affiliated Hospital, School of Medicine, Zhejiang University 60
Not applicableUnknownNCT05119270
What this trial is testing

Comparison of Phacoemulsification and Corneal Damage Between FLACS and Standard Phaco With Two Handpieces

Who this might be right for
Corneal Endothelial Cell LossCataractAstigmatism
Centre hospitalier de l'Université de Montréal (CHUM) 90
Not applicableStudy completedNCT00762281
What this trial is testing

Safety and Effectiveness Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Hyperopia

Who this might be right for
Hyperopia
Carl Zeiss Meditec, Inc. 189
Not applicableStudy completedNCT04542525
What this trial is testing

Clinical Investigation of an AcrySof IQ PanOptix Toric Intraocular Lens

Who this might be right for
AphakiaCorneal Astigmatism
Alcon Research 32
Not applicableStudy completedNCT03949335
What this trial is testing

Clinical Investigation of the Safety and Effectiveness of an Investigational Model of the TECNIS® Intraocular Lens

Who this might be right for
CataractCorneal Astigmatism
Johnson & Johnson Surgical Vision, Inc. 272
Not applicableUnknownNCT04340635
What this trial is testing

Multi-center Ocular Biological Parameters Study

Who this might be right for
Cataract
Aier School of Ophthalmology, Central South University 20,000
Not applicableActive Not RecruitingNCT06798779
What this trial is testing

Predicting Manifest Astigmatism in Keratoconus Patients.

Who this might be right for
KeratoconusKeratoconus, Artificial Intelligence, Support Vector Machine
Royal Devon and Exeter NHS Foundation Trust 800
Not applicableStudy completedNCT03159780
What this trial is testing

Prevalence of Corneal Astigmatism Before Glaucoma Surgery in Chinese Patients With Primary Angle-closure Glaucoma

Who this might be right for
Glaucoma, Angle-ClosureAstigmatism
Mingkai Lin 808
Not applicableUnknownNCT06148857
What this trial is testing

Total Corneal Astigmatism Prevalence in Cataract Patients

Who this might be right for
Cataract
Peking University Third Hospital 11,000
Not applicableStudy completedNCT00967473
What this trial is testing

ACRYSOF® Toric NATURAL T9 Intraocular Lens (IOL)

Who this might be right for
Bilateral Cataract
Alcon Research 15
Not applicableStudy completedNCT01496066
What this trial is testing

Calhoun Vision Light Adjustable Lens (LAL) in Subjects With Pre-Existing Corneal Astigmatism

Who this might be right for
Cataract
Calhoun Vision, Inc. 600
Not applicableStudy completedNCT01752218
What this trial is testing

Address Precision and Refractive Predictability of Femtosecond Laser-assisted Astigmatic Keratotomy Following the Cataract Surgery

Who this might be right for
Astigmatism
Technolas Perfect Vision GmbH 43
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