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The K-Map Study, Global Prevalence of KC

2017-04-17 05:25:26 | BioPortfolio

Published on BioPortfolio: 2017-04-17T05:25:26-0400

Clinical Trials [205 Associated Clinical Trials listed on BioPortfolio]

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

Based on the corneal morphometry instrumentation Oculus Pentacam, which is commonly used before and after clinical refractive surgery, we will collect the corneal morphological and biologi...

Objective and Subjective Diagnostic Parameters in the Fellow Eye of Unilateral Keratoconus

patients with keratoconus in one eye and forme fruste keratoconus in the fellow eye compared to normal subjects .the patients were examined by schemipflug imaging system (Pentacam)

Corneal Changes With Pentacam Before and After Pterygium

Aim of this study is to assess the corneal changes before and after pterygium excision by using pentacam system.

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

Evaluation of tomographic (Pentacam) parameters and genetic parameters of Visual System Homeobox 1 (VSX1), Superoxide Dismutase (SOD1), Tissue Inhibitors of Metalloproteinases (TIMP3) gene...

Reliability of Topography Measurements in Keratoconus

The purpose of this study is to assess the reliability and repeatability of the parameters obtained using the Galilei dual-scheimpflug corneal topographer for monitoring progression in eye...

PubMed Articles [544 Associated PubMed Articles listed on BioPortfolio]

Comparison of Holladay equivalent keratometry readings and anterior corneal surface keratometry measurements in keratoconus.

To compare the accuracy of the anterior corneal simulated keratometry (SimK) and the Holladay equivalent keratometry reading (EKR) provided by a Scheimpflug camera (Pentacam HR) with the keratometry (...

Pentacam Accuracy in Discriminating Keratoconus From Normal Corneas: A Diagnostic Evaluation Study.

This study aims to determine the diagnostic ability of Pentacam indices for keratoconus and identifying the best index for differentiating diseased from normal cases.

Distinguishing Highly Asymmetric Keratoconus Eyes Using Combined Scheimpflug and Spectral Domain OCT Analysis.

To determine optimal objective, machine-derived variables and variable combinations from Scheimpflug and spectral domain (SD) OCT imaging to distinguish the clinically unaffected eye in patients with ...

Intrasubject Repeatability and Interdevice Agreement of Anterior Chamber Depth Measurements by Orbscan and Pentacam in Different Grades of Keratoconus.

To evaluate the repeatability of anterior chamber depth (ACD) measurements by Orbscan and Pentacam imaging devices in different grades of keratoconus.

Corneal Biomechanics in Unilateral Keratoconus and Fellow Eyes with a Scheimpflug-based Tonometer.

Before the appearance of evident keratoconus, corneal biomechanical changes may be detectable. Here, these properties are analyzed to detect any difference that could help in the early recognition of ...

Medical and Biotech [MESH] Definitions

The apparent deflection (Coriolis acceleration) of a body in motion with respect to the earth, as seen by an observer on the earth, attributed to a fictitious force (Coriolis force) but actually caused by the rotation of the earth. In a medical context it refers to the physiological effects (nausea, vertigo, dizziness, etc.) felt by a person moving radially in a rotating system, as a rotating space station. (From Random House Unabridged Dictionary, 2d ed & McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

A noninflammatory, usually bilateral protrusion of the cornea, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. The cause is unknown but hereditary factors may play a role. The -conus refers to the cone shape of the corneal protrusion. (From Dorland, 27th ed)

Artificial device such as an externally-worn camera attached to a stimulator on the RETINA, OPTIC NERVE, or VISUAL CORTEX, intended to restore or amplify vision.

Use of radiolabeled antibodies for diagnostic imaging of neoplasms. Antitumor antibodies are labeled with diverse radionuclides including iodine-131, iodine-123, indium-111, or technetium-99m and injected into the patient. Images are obtained by a scintillation camera.

The measurement of curvature and shape of the anterior surface of the cornea using techniques such as keratometry, keratoscopy, photokeratoscopy, profile photography, computer-assisted image processing and videokeratography. This measurement is often applied in the fitting of contact lenses and in diagnosing corneal diseases or corneal changes including keratoconus, which occur after keratotomy and keratoplasty.

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