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Finite Element Modeling of the Human Eye

2001
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Release : 2001
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Book Synopsis Finite Element Modeling of the Human Eye by : Venetia V. Chan

Download or read book Finite Element Modeling of the Human Eye written by Venetia V. Chan. This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt: A three-dimensional finite element model was created to analyze the mechanical interactions between the various substructures within the human eye. During certain activities, mechanical interactions may lead to a resultant distribution of stresses within the eye that may in turn produce various retinal diseases. The entire eye was modeled using dynamic finite element analysis to incorporate the mechanical effects of all of the substructures on the retina. A set of mechanical properties for each substructure was determined from previously published studies. Saccadic motion was modeled in the normal human eye to determine the location and magnitude of peak stresses in the retina and optic nerve head during initial loading. After 0.6125 ms, stresses as high as 5.4 x 107 Pa were reached. The peak stresses occurred in the portions of the retina and the optic nerve head close to the boundary between these two substructures.

A Finite Element Model to Predict the Dynamic Behavior of the Human Eye

2016
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Release : 2016
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Book Synopsis A Finite Element Model to Predict the Dynamic Behavior of the Human Eye by : Luka Sterle

Download or read book A Finite Element Model to Predict the Dynamic Behavior of the Human Eye written by Luka Sterle. This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: Biomechanical properties of ocular tissues are assumed to play an important role in the pathogenesis of a variety of ocular diseases. This is particularly true for glaucoma, where the tissue biomechanics appears to determine which level of intraocular pressure can be tolerated in an individual eye. In the recent years several mathematical models were established and measurements of ocular biomechanical properties were obtained from in vitro and in vivo measurements. In this master thesis we developed finite element modeling of the human eye. New algorithms integrated all available data on ocular biomechanical properties, available at the Center of Medical Physics and Biomedical Engineering from interferometric measurements.

A Study of Aberrations in the Human Eye by Zernike Phase Plate Precompensation and Finite Element Modeling Methods

2008
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Release : 2008
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Book Synopsis A Study of Aberrations in the Human Eye by Zernike Phase Plate Precompensation and Finite Element Modeling Methods by : Hongwei Zhang

Download or read book A Study of Aberrations in the Human Eye by Zernike Phase Plate Precompensation and Finite Element Modeling Methods written by Hongwei Zhang. This book was released on 2008. Available in PDF, EPUB and Kindle. Book excerpt:

Image Modeling of the Human Eye

2008 Computers
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Release : 2008
Genre : Computers
Kind : eBook
Book Rating : 090/5 ( reviews)

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Book Synopsis Image Modeling of the Human Eye by : Rajendra Acharya U

Download or read book Image Modeling of the Human Eye written by Rajendra Acharya U. This book was released on 2008. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking resource gives you full details on state-of-the-art 2D and 3D eye imaging and modeling techniques that are paving the way to breakthrough clinical applications in eye health. ItOCOs the first book to explore in depth a new generation of computational methods that combine image processing, simulation, and statistical discrimination tools in efforts to improve early detection of cataracts, diabetic retinopathy, glaucoma, iridocyclitis, corneal haze, maculopathy, and other visual impairments and conditions."

Human Eye Imaging and Modeling

2012-06-05 Technology & Engineering
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Release : 2012-06-05
Genre : Technology & Engineering
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Book Rating : 936/5 ( reviews)

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Book Synopsis Human Eye Imaging and Modeling by : E. Y. K. Ng

Download or read book Human Eye Imaging and Modeling written by E. Y. K. Ng. This book was released on 2012-06-05. Available in PDF, EPUB and Kindle. Book excerpt: Advanced image processing and mathematical modeling techniques are increasingly being used for the early diagnosis of eye diseases. A comprehensive review of the field, Human Eye Imaging and Modeling details the latest advances and analytical techniques in ocular imaging and modeling. The first part of the book looks at imaging of the fundus as well as infrared imaging. It begins by exploring developments in the analysis of fundus images, particularly for the diagnosis of diabetic retinopathy and glaucoma. It also reviews anterior segment imaging and reports on developments in ocular thermography, especially the use of thermal imaging as the basis of tear evaporimetry and dry eye diagnosis. The second part of the book delves into mathematical modeling of the human eye. Coverage includes modeling of the eye during retinal laser surgery, a framework for optical simulation, heat distribution using a 3D web-splines solution, and exposure to laser radiation. The text also examines computer simulation of the human eye based on principles of heat transfer, as well as various bioheat equations to predict interior temperatures based on the surface temperature. Featuring contributions by established experts in eye imaging, this is a valuable reference for medical personnel and researchers who want to know more about state-of-the-art computer-based imaging and detection methods. It presents novel imaging and modeling algorithms that can aid in early diagnosis, with the aim of enriching the lives of people suffering from eye abnormalities.

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