Search clinical trials for: Pentacam tomography

Total 2713 results

Tianjin Eye Hospital
Gansu Provincial Hospital; Health Science Center of Xi'an Jiaotong University; Xinjiang Medical University and other collaborators

Unknown

Multi-center Clinical Trial on Corneal Morphology Analysis in Chinese Population

Cornea

China
Centre hospitalier de l'Université de Montréal...
Allergan

Recruiting

Keratometric Change After XEN, Trabeculectomy and Tube Shunts (Topo-XEN)

Glaucoma, Open-Angle | Glaucoma, Angle-Closure | Glaucoma Eye | Glaucoma Secondary

Canada
Technische Universität Dresden
Fraunhofer Institute for Ceramic Technologies and Systems IKTS

Completed

Computer-aided Diagnosis of Ocular Diseases Based on Corneal Biomechanics (EyeTwin)

Glaucoma | Corneal Astigmatism | Keratoconus | Open Angle Glaucoma | Corneal Ectasia | Corneal Disease | Normal Tension Glaucoma

Germany
Johannes Kepler University of Linz

Completed

Predicting Intraocular Lens Tilt Using OCT Measurements and Partial Least Squares Regression Modelling (Tilt)

Cataract | Intraocular Lens

Austria
Ameera Gamal Abdelhameed

Completed

Corneal Tomographic Parameters in TGD

Thyroid Eye Disease | Keratoconus | Corneal Ectasia

Egypt
University Hospital Inselspital, Berne

Active, not recruiting

Development of a Keratoconus Detection Algorithm by Deep Learning Analysis and Its Validation on Eyestar Images (DKDA)

Eye Diseases | Cataract | Keratoconus | Corneal Ectasia

Switzerland
OFTALVIST (Oftalmología Vistahermosa S.L)

Completed

IOLMASTER 700 Central Topography Workflow Study.

Cataract

Spain
Minia University

Enrolling by invitation

Pentacam Study of the Cornea in RA Patients

RA - Rheumatoid Arthritis

Egypt
Assiut University

Unknown

Astigmatism in Keratoconus Patients

Keratoconus
Centro Hospitalar do Baixo Vouga

Unknown

Posterior Cornea in Primary Open Angle Glaucoma

Glaucoma

Portugal
Sohag University

Not yet recruiting

Correlation of Angle Kappa , Corneal High Order Aberrations and Total Eye Aberrations in Various Refractive Errors

Aberration, Corneal Wavefront
NYU Langone Health

Recruiting

Optic Nerve Head Structural Response to IOP Elevation in Patients With Keratoconus

Glaucoma | Keratoconus

United States
Sohag University

Completed

Refractive and Corneal Topographic Characteristics in Upper Egypt Children With High Cylinder

Corneal Ectasia

Egypt
Minia University

Completed

Analysis of Topographic Corneal Parameters

Cornea

Egypt
Minia University

Completed

Anterior Chamber Angle Examination in Angle Closure Suspect Patients

Glaucoma

Egypt
Assiut University

Unknown

Corneal Changes With Pentacam Before and After Pterygium

Pterygium
Assiut University

Not yet recruiting

Comparative Study in Measuring Anterior Chamber Depth

Error, Refractive
Tianjin Eye Hospital

Completed

Evaluation of Morphology Abnormal Cornea Stability With Corneal Biomechanical

Keratoconus, Stable

China
Medical University of South Carolina

Withdrawn

Accuracy of the Pentacam and IOL Master to Calculate the Effective Corneal Power After Corneal Refractive Surgery

Cataract Extraction | Refractive Surgery

United States
Tianjin Eye Hospital

Recruiting

Evolution of a Novel Optical Coherence Tomography Based Index in Diagnosing Keratoconus

Scansys, Pentacam, Keratoconus, Subclinical Keratoconus

China
Tianjin Eye Hospital

Active, not recruiting

A Study of a Novel Scheimpflug Device in Diagnosing Keratoconus

Scansys, Pentacam, Corvis ST, Keratoconus, Subclinical Keratoconus

China
Cairo University

Unknown

Contribution of Posterior Corneal Astigmatism to Total Corneal Astigmatism in a Sample of Egyptian Population

Corneal Astigmatism

Egypt
Sohag University

Recruiting

Corneal Topographic Changes in Different Grades of OSA

Corneal Ectasia

Egypt
Khon Kaen University

Not yet recruiting

Physiologic Ocular Changes During Pregnancy in Women With High Myopia.

Pregnancy Related | High Myopia
Tianjin Eye Hospital

Completed

Correlation Analysis Between Corneal Biomechanics and Anterior Segment

Corneal Biomechanics | Ciliary Muscle Thickness | Anterior Sclera Thickness | CASIA2

China
Ziemer Ophthalmic Systems AG

Completed

A Comparison of Two Devices for Taking Measurements of the Eye to Assist in Lens Selection for Cataract Surgery

Cataract

Switzerland
Centre Hospitalier Universitaire, Amiens

Completed

Relationship Between Alzheimer Disease and Diminution of the Three Macular Nervous Retinal Layers (RETEVAL)

Alzheimer Disease | Lewy Body Disease | Retina | Optical Coherence Tomography | Cortical Atrophy | Optical Coherence Tomography Angiography | Retinal Thickening | Retinal Nerve Fibres Layer

France
Benha University

Completed

Correlation Between Q-value Changes and Progression of Pediatric Keratoconus.

Collagen Diseases | Keratoconus | Corneal Disease

Egypt
Aalen University
DGUV (Deutsche Gesetzliche Unfallversicherung/German Social Accident Insurance... and other collaborators

Completed

Validation of Mesopic and Photopic Contrast Vision Tests With Respect to Nighttime Driving Ability (ContrastVal)

Cataract | Vision Disorders | Traffic Accident | Driving Impaired

Germany
Tomey Corporation

Completed

To Investigate the Precision and Agreement of SS-1000 and Pentacam in a Repeatability and Reproducibility Trial (PASP)

Evaluate the Agreement and Precision of Device SS-1000 and the Predicate Device the Pentacam in a Reproducibility and Repeatability Trial

Japan
Medical University of Silesia

Completed

Risk Factors of Middle Cerebral Artery Aneurysm. (MCAA)

Middle Cerebral Artery Aneurysm

Poland
Haag-Streit AG

Completed

Clinical Study - ES 900 - 2020-2

Cataract | Keratoconus

Switzerland
China Medical University, China

Unknown

Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia

Cataract | Astigmatism

China
University Hospital, Geneva
ELZA Institute

Recruiting

The K-Map Study, Global Prevalence of KC

Keratoconus

Saudi Arabia, United States, China
Heidelberg University

Completed

Comparability of Keratometry of VERION Image Guided System With Established Measuring Devices

Healthy

Germany
University Hospital, Geneva

Completed

The Influence of Hormonal Changes During Pregnancy on Corneal Biomechanics in Humans

Pregnancy

Switzerland
Sanofi Pasteur, a Sanofi Company

Completed

Safety of PENTAXIM® Given as a Three-Dose Primary Vaccination at 2, 3, and 4 Months of Age in Infants in China

Pertussis | Tetanus | Diphtheria | Polio

China
Technische Universität Dresden

Recruiting

Dresden Corneal Disease and Treatment Study

Corneal Astigmatism | Keratoconus | Corneal Ectasia | Corneal Disease | Keratopathy

Germany
University of Catanzaro

Unknown

Comparison of Three Different No-contact Pachymetries

Corneal Thickness

Italy
Medical University of Graz
Sanofi; numares AG

Terminated

Investigating the Effects of Lipid-therapy Intensification With Alirocumab on Endothelial Function, Carotid Arteries, Lipoprotein Particle Subfractions, Inflammation and Post-prandial Lipemia (ALIROCKS)

Cardiovascular Diseases | Atherosclerosis | Hypercholesterolemia | Post Prandial Lipemia

Austria
University Hospital Tuebingen
Alcon Research

Unknown

Study to Compare Standard Perimetry With the New Scotoma-Oriented Perimetry (SCOPE) Using a New Fast German Adaptive Threshold Estimation (GATE) in Glaucoma Patients (TRASCO)

Primary Open Angle Glaucoma (POAG)

Germany
Berkeley Eye Center

Completed

Assessment of Measurement Variability Across Automated Biometry Devices

Myopia

United States
Gerald Schmidinger

Completed

Agreement and Accuracy of Different Devices Corneal Measurements

Keratoconus

Austria
Moorfields Eye Hospital NHS Foundation Trust

Completed

Advanced OCT and Adaptive Optics Imaging in Retinal Disease (The ACAD Study) (ACAD)

Retinal Diseases | Vitreous Diseases | Choroidal Diseases

United Kingdom
Sanofi

Completed

Study of the Safety, Immunogenicity and Lot Comparability of DAPTACEL When Administered With Other Recommended Vaccine

Whooping Cough | Tetanus | Diphtheria | Polio | Haemophilus Influenzae Type b

United States
Erasmus Medical Center

Not yet recruiting

Comparison Between the Octaray and Pentaray Catheters in Patients Undergoing Ablation for Atrial Tachycardia. (OCTOPUS-AT)

Atrial Tachycardia
Sanofi Pasteur, a Sanofi Company

Completed

Rates of Pertussis Disease Among Persons Receiving Pentacel® or Other Pertussis Vaccines

Pertussis

United States
Sanofi

Completed

Immunogenicity and Safety of Pentaxim in South African Infants

Pertussis | Tetanus | Diphtheria | Poliomyelitis | Haemophilus Infections

South Africa
Berkeley Eye Center

Recruiting

Visual Outcomes and Patient Satisfaction With Vivity IOL in Post Refractive Patients

Pseudophakia

United States
M.D. Anderson Cancer Center
GE Healthcare

Completed

Motion Correction of Positron Emission Tomography (PET) Data Using Amplitude Gating

Lung Cancer

United States

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