Search clinical trials for: pentacam

Total 50 results

Sohag University

Recruiting

Corneal Topographic Changes in Different Grades of OSA

Corneal Ectasia

Egypt
Assiut University

Not yet recruiting

Scheimpflug Versus Placido-disc System in Evaluation of Corneal Higher-Order Aberrations

Corneal Higher-order Aberrations

Egypt
Tianjin Eye Hospital

Recruiting

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

Scansys, Pentacam, Keratoconus, Subclinical Keratoconus

China
Sohag University

Not yet recruiting

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

Aberration, Corneal Wavefront
Sohag University

Recruiting

Correlation Between Corneal Topographic Patterns and Refractive Status Of The Eye in Sohag City,Egypt

Eye Change

Egypt
Carl Zeiss Meditec AG

Not yet recruiting

Feasibility Investigation of Biometry and Tomography Measurements in a Heterogeneous Patient Cohort (BioBase)

Cataract | Corneal Astigmatism | Corneal Defect | Corneal Deformity | Lens Opacities | Artificial Lens Implant
Assiut University

Not yet recruiting

Comparative Study in Measuring Anterior Chamber Depth

Error, Refractive
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
Assiut University

Recruiting

Pentacam Findings After Implantation of Intrastromal Corneal Rings in Keratoconus.

Keratoconus

Egypt
NYU Langone Health

Recruiting

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

Glaucoma | Keratoconus

United States
University Hospital, Geneva
ELZA Institute

Recruiting

The K-Map Study, Global Prevalence of KC

Keratoconus

Saudi Arabia, United States, China
Berkeley Eye Center

Completed

Assessment of Measurement Variability Across Automated Biometry Devices

Myopia

United States
Sohag University

Completed

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

Corneal Ectasia

Egypt
Johannes Kepler University of Linz

Completed

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

Cataract | Intraocular Lens

Austria
Minia University

Completed

Analysis of Topographic Corneal Parameters

Cornea

Egypt
Tianjin Eye Hospital

Active, not recruiting

A Study of a Novel Scheimpflug Device in Diagnosing Keratoconus

Scansys, Pentacam, Corvis ST, Keratoconus, Subclinical Keratoconus

China
Tianjin Eye Hospital

Completed

Correlation Analysis Between Corneal Biomechanics and Anterior Segment

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

China
Tianjin Eye Hospital

Completed

Evaluation of Morphology Abnormal Cornea Stability With Corneal Biomechanical

Keratoconus, Stable

China
Johannes Kepler University of Linz

Completed

Keratoconus Detection Using MS39 and Pentacam (KKMS39Penta)

Keratoconus

Austria
OFTALVIST (Oftalmología Vistahermosa S.L)

Completed

IOLMASTER 700 Central Topography Workflow Study.

Cataract

Spain
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
Minia University

Enrolling by invitation

Pentacam Study of the Cornea in RA Patients

RA - Rheumatoid Arthritis

Egypt
Minia University

Completed

Anterior Chamber Angle Examination in Angle Closure Suspect Patients

Glaucoma

Egypt
Benha University

Completed

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

Collagen Diseases | Keratoconus | Corneal Disease

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
Gerald Schmidinger

Completed

Agreement and Accuracy of Different Devices Corneal Measurements

Keratoconus

Austria
Haag-Streit AG

Completed

Clinical Study - ES 900 - 2020-2

Cataract | Keratoconus

Switzerland
Fayoum University
Sara Tawfik

Completed

COMPARISON OF CORNEAL MEASUREMENTS IN NORMAL AND KERATOCONUS EYES USING ANTERIOR SEGMENT OPTICAL COHERENCE TOMOGRAPHY AND PENTACAM HR TOPOGRAPHER

The Reliability of Corneal Topographic Measurements of Keratoconus Eyes

Egypt
Ameera Gamal Abdelhameed

Completed

Corneal Tomographic Parameters in TGD

Thyroid Eye Disease | Keratoconus | Corneal Ectasia

Egypt
Cairo University

Unknown

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

Corneal Astigmatism

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
Assiut University

Unknown

Astigmatism in Keratoconus Patients

Keratoconus
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
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
Carl Zeiss Meditec, Inc.
ClinReg Consulting Services, Inc.; Sierra Clinical Services, LLC

Completed

Repeatability and Reproducibility of the IOLMaster 700 Vers 1.70 and Agreement With IOLMaster 700 Vers. 1.50 and Pentacam

Cornea

United States
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
Heidelberg University

Completed

Corneal Changes After Crosslinking in Keratoconus Patients Compared to the Untreated Fellow Eye

Keratoconus

Germany
Heidelberg University

Completed

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

Healthy

Germany
Assiut University

Unknown

Corneal Changes With Pentacam Before and After Pterygium

Pterygium
Sao Jose do Rio Preto Medical School
Fundação de Amparo à Pesquisa do Estado de São Paulo

Completed

Evaluation of Tomographic and Genetic Aspects of Keratoconus Patients Compared to Sounds Corneas

Keratoconus | Keratoconus, Unspecified, Bilateral

Brazil
Democritus University of Thrace

Completed

Diagnostic Capacity of Keratoconus Match Index and Keratoconus Match Probability in Forme Fruste Keratoconus

Forme Fruste Keratoconus (FFK)

Greece
Democritus University of Thrace

Completed

Variability of Pentacam-derived Back Elevation Measurements in Keratoconus and Cross-linked Corneas

Keratoconus

Greece
University Hospital, Geneva

Completed

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

Pregnancy

Switzerland
Centro Hospitalar do Baixo Vouga

Unknown

Posterior Cornea in Primary Open Angle Glaucoma

Glaucoma

Portugal
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
University of Catanzaro

Unknown

Comparison of Three Different No-contact Pachymetries

Corneal Thickness

Italy
China Medical University, China

Unknown

Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia

Cataract | Astigmatism

China
Technische Universität Dresden

Unknown

Comparation of Different Devices to Measure Corneal Thickness

Corneal Thickness

Germany
Soroka University Medical Center

Unknown

Study of Comparison Between Pentacam and locs3

Cataract
Far Eastern Memorial Hospital

Completed

Limitations of Using a Sheimpflug Image-Based Device for Measuring Anterior Chamber Depth in Pseudophakic Eyes

Cataract

Search clinical trials for: pentacam

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