Diagnostic And Imaging Techniques In Ophthalmology

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Diagnostic and Imaging Techniques in Ophthalmology

Amar Agarwal,Samuel Boyd,Robert C Drews
Diagnostic and Imaging Techniques in Ophthalmology Book PDF

Author : Amar Agarwal,Samuel Boyd,Robert C Drews
Publisher : JP Medical Ltd
Page : 197 pages
File Size : 50,5 Mb
Release : 2011-03-31
Category : Medical
ISBN : 9789962678076

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Diagnostic and Imaging Techniques in Ophthalmology by Amar Agarwal,Samuel Boyd,Robert C Drews Pdf

Advances made in diagnostic and imaging tech¬niques within the past years have revolutionized the clinical approach to, and the management of many ophthalmic diseases. Wavefront and Optical Coherence Tomography (OCT) have been incorporated as basic tools of refractive surgery, in the assessment of vitreoreti¬nal disorders, optic nerve pathologies, ocular tumors and ocular trauma. This book presents a comprehensive evaluation of current and emerging technologies used for clinical assessment in ophthalmology, as well as an in depth discussion of retinal angiography, both anterior and exterior segments, OCT, VHF ultrasound and other advanced imaging methods and techniques.

Diagnostic Imaging of Ophthalmology

Zhenchang Wang,Junfang Xian,Fengyuan Man,Zhengyu Zhang
Diagnostic Imaging of Ophthalmology Book PDF

Author : Zhenchang Wang,Junfang Xian,Fengyuan Man,Zhengyu Zhang
Publisher : Springer
Page : 172 pages
File Size : 42,5 Mb
Release : 2017-10-30
Category : Medical
ISBN : 9789402410600

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Diagnostic Imaging of Ophthalmology by Zhenchang Wang,Junfang Xian,Fengyuan Man,Zhengyu Zhang Pdf

This atlas is a pocket manual of imaging diagnosis of the orbital. It includes common imaging techniques, normal imaging features, abnormal orbital imaging of developmental diseases, injury, inflammation, lymphoproliferative diseases, diseases of the eyeball, post-operative changes, vascular diseases, tumors and neuro-ophthalmological diseases. While it particularly focuses on CT and MRI, it also describes other techniques, such as X-ray, ultrasonography and nuclear imaging. The book starts with an overview of commonly used imaging techniques of the orbit a concise description of imaging features of normal orbit in X-ray, CT and MRI. The following nine chapters explore different orbital diseases and abnormalities that are common in clinical work. It is a valuable resource for radiologists and ophthalmologists.

Diagnostic Imaging in Ophthalmology

Carlos F. Gonzales,Melvin H. Becker,Joseph C. Flanagan
Diagnostic Imaging in Ophthalmology Book PDF

Author : Carlos F. Gonzales,Melvin H. Becker,Joseph C. Flanagan
Publisher : Springer Science & Business Media
Page : 366 pages
File Size : 48,6 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9781461385752

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Diagnostic Imaging in Ophthalmology by Carlos F. Gonzales,Melvin H. Becker,Joseph C. Flanagan Pdf

This book has been written for radiologists, ophthalmologists, neurologists, neurosur geons, plastic surgeons, and others interested in the evaluation of disorders with ophthalmologic signs and symptoms. It is designed to provide recent knowledge in this area derived from ultrasonography, computed tomography (CT), and magnetic resonance imaging (MRI). In the past decade, the advent of ultrasonography, computed tomography, and more recently magnetic resonance imaging has provided diagnostic images of the eye, orbit, and brain in a fashion that had been a dream of many prior to the develop ment of these techniques. These newer modes of diagnosis have replaced some previous techniques, such as nuclear medicine imaging and, to some degree, vascular studies and orbitography. There are three sections to this book. The first section is a discussion of the imaging techniques. The second is devoted to the role of these imaging methods in the evaluation of ophthalmic disorders. The last section, dealing with radiotherapy for ophthalmologic tumors, is included because the current imaging techniques are needed for treatment planning. We wish to thank the many people who have assisted us in preparing this manuscript. Among these are many librarians, secretaries, trainees, and photographers. Weare especially indebted to artist Peter Clark for his illustrations and to Mr. Martin Leibo vici, Associate Curator of New York University Medical School and Director of Health Sciences Library of Goldwater Memorial Hospital, New York City. Also, we wish to thank our families for their help and patience.

High Resolution Imaging in Microscopy and Ophthalmology

Josef F. Bille
High Resolution Imaging in Microscopy and Ophthalmology Book PDF

Author : Josef F. Bille
Publisher : Springer
Page : 407 pages
File Size : 55,5 Mb
Release : 2019-08-13
Category : Medical
ISBN : 9783030166380

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High Resolution Imaging in Microscopy and Ophthalmology by Josef F. Bille Pdf

This open access book provides a comprehensive overview of the application of the newest laser and microscope/ophthalmoscope technology in the field of high resolution imaging in microscopy and ophthalmology. Starting by describing High-Resolution 3D Light Microscopy with STED and RESOLFT, the book goes on to cover retinal and anterior segment imaging and image-guided treatment and also discusses the development of adaptive optics in vision science and ophthalmology. Using an interdisciplinary approach, the reader will learn about the latest developments and most up to date technology in the field and how these translate to a medical setting. High Resolution Imaging in Microscopy and Ophthalmology – New Frontiers in Biomedical Optics has been written by leading experts in the field and offers insights on engineering, biology, and medicine, thus being a valuable addition for scientists, engineers, and clinicians with technical and medical interest who would like to understand the equipment, the applications and the medical/biological background. Lastly, this book is dedicated to the memory of Dr. Gerhard Zinser, co-founder of Heidelberg Engineering GmbH, a scientist, a husband, a brother, a colleague, and a friend.

Imaging Techniques

J. Cunha-Vaz,A. Koh
Imaging Techniques Book PDF

Author : J. Cunha-Vaz,A. Koh
Publisher : Karger Medical and Scientific Publishers
Page : 126 pages
File Size : 43,9 Mb
Release : 2018-05-14
Category : Medical
ISBN : 9783318063561

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Imaging Techniques by J. Cunha-Vaz,A. Koh Pdf

The introduction of new imaging methods has revolutionized the management of retinal diseases. Techniques like OCT angiography and fundus autofluorescence imaging have enabled the exploration of new perspectives for understanding the progress of diseases such as age-related macular degeneration (AMD) and diabetic retinopathy. Multimodal imaging of the retina will open new avenues for an integrated diagnostic approach in the future. This publication - like all volumes of the ‘ESASO Course Series’ - summarizes the essentials of the ESASO education courses. It provides an update for retina specialists and imaging technicians. Residents and trainees will also find it to be useful for learning about new imaging techniques.

Ryan's Retinal Imaging and Diagnostics E -Book

Stephen J. Ryan,SriniVas R. Sadda
Ryan s Retinal Imaging and Diagnostics E Book Book PDF

Author : Stephen J. Ryan,SriniVas R. Sadda
Publisher : Elsevier Health Sciences
Page : 684 pages
File Size : 53,9 Mb
Release : 2013-08-13
Category : Medical
ISBN : 9780323241908

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Ryan's Retinal Imaging and Diagnostics E -Book by Stephen J. Ryan,SriniVas R. Sadda Pdf

Access all of the latest advances in imaging techniques of the retina and posterior segment on your favorite eReader with Ryan's Retinal Imaging and Diagnostics eBook. 12 chapters from the landmark reference Retina, 5th Edition offer the foundations to better understand, apply, and optimize new and emerging retinal imaging technologies. Examine and evaluate the newest diagnostic technologies and approaches that are changing the management of retinal disease, including future imaging technologies which will soon become the standard. Put the very latest diagnostic imaging methods to work in your practice, including optical coherence tomography (OCT), fluoroscein angiography, indocyanine angiography autofluorescence imaging, ophthalmic ultrasound and more. Benefit from the extensive knowledge and experience of esteemed editor and ophthalmologist, the late Dr. Stephen Ryan, and a truly global perspective from the world authorities. Consult this title on your favorite e-reader, conduct rapid searches, and adjust font sizes for optimal readability. Compatible with Kindle®, nook®, and other popular devices.

Novel Diagnostic Methods in Ophthalmology

Anonim
Novel Diagnostic Methods in Ophthalmology Book PDF

Author : Anonim
Publisher : BoD – Books on Demand
Page : 142 pages
File Size : 51,6 Mb
Release : 2019-09-04
Category : Medical
ISBN : 9781838803117

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Novel Diagnostic Methods in Ophthalmology by Anonim Pdf

In the last 10 years, there has been huge progress in the general understanding of ocular disorders due to the availability and development of new in vivo imaging techniques, such as anterior and posterior eye segment optical coherence tomography as well as biochemical methods allowing rapid confirmation of clinical diagnosis.Introducing noninvasive diagnostic methods in ophthalmology led to an improvement in early differential diagnosis of conditions such as corneal dystrophies, dry eye disease, and various retinal and optic nerve diseases.Recent advances in diagnostic methods have also impacted the treatment methods. This book intends to provide the reader with a comprehensive overview of current ocular diagnostic methods, including the theoretical basis as well as practical approaches and usage in clinical practice.

Noninvasive Diagnostic Techniques in Ophthalmology

Barry R. Masters
Noninvasive Diagnostic Techniques in Ophthalmology Book PDF

Author : Barry R. Masters
Publisher : Springer Science & Business Media
Page : 649 pages
File Size : 44,7 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9781461388968

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Noninvasive Diagnostic Techniques in Ophthalmology by Barry R. Masters Pdf

Noninvasive Diagnostic Techniques in Ophthalmology explores the special noninvasive tools developed to function as diagnostic indicators and to further our understanding of ocular function. The volume's focus is on new development in instrumentation and techniques for studying the cornea, lens, retina, vitreous, and aqueous dynamics; whereby special attention is given to how each technique has improved our understanding of basic processes and diagnostic capability. Theoretical aspects, possible sources of error, current problems and limitations, safety evaluation, and future applications and directions are considered. Topics examined include ophthalmic image processing; magnetic resonance imaging of the eye and orbit; diagnostic ocular ultrasound; corneal topography; holographic contour analysis of the cornea; wide field and color specular microscopy; use of the Fourier transform method for statistical evaluation of corneal endothelial morphology; confocal microscopy; in vivo corneal redox fluorometry; evaluation of cataract function with the Scheimp-flug camera; fluorescence and Raman spectroscopy of the crystallin lens; in vivo uses of quasi-elastic light scattering; fundus reflectometry; and clinical visual psychophysics measurements. The book offers discussions of fractal analysis of human retinal blood vessel patterns, scanning laser tomography of the living human eye, fundus imaging and diagnostic screening for public health, and digital image processing for ophthalmology, as well as a detailed appendix comprising additional topics and sources.

Novel Diagnostic Methods in Ophthalmology

Anna Nowinska
Novel Diagnostic Methods in Ophthalmology Book PDF

Author : Anna Nowinska
Publisher : Unknown
Page : 140 pages
File Size : 53,5 Mb
Release : 2019
Category : Ophthalmology
ISBN : 1838818537

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Novel Diagnostic Methods in Ophthalmology by Anna Nowinska Pdf

In the last 10 years, there has been huge progress in the general understanding of ocular disorders due to the availability and development of new in vivo imaging techniques, such as anterior and posterior eye segment optical coherence tomography as well as biochemical methods allowing rapid confirmation of clinical diagnosis.Introducing noninvasive diagnostic methods in ophthalmology led to an improvement in early differential diagnosis of conditions such as corneal dystrophies, dry eye disease, and various retinal and optic nerve diseases.Recent advances in diagnostic methods have also impacted the treatment methods. This book intends to provide the reader with a comprehensive overview of current ocular diagnostic methods, including the theoretical basis as well as practical approaches and usage in clinical practice.

Digital Image Processing for Ophthalmology

Xiaolu Zhu,Rangaraj Rangayyan,Anna L. Ells
Digital Image Processing for Ophthalmology Book PDF

Author : Xiaolu Zhu,Rangaraj Rangayyan,Anna L. Ells
Publisher : Springer Nature
Page : 95 pages
File Size : 55,5 Mb
Release : 2022-05-31
Category : Technology & Engineering
ISBN : 9783031016493

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Digital Image Processing for Ophthalmology by Xiaolu Zhu,Rangaraj Rangayyan,Anna L. Ells Pdf

Fundus images of the retina are color images of the eye taken by specially designed digital cameras. Ophthalmologists rely on fundus images to diagnose various diseases that affect the eye, such as diabetic retinopathy and retinopathy of prematurity. A crucial preliminary step in the analysis of retinal images is the identification and localization of important anatomical structures, such as the optic nerve head (ONH), the macula, and the major vascular arcades. Identification of the ONH is an important initial step in the detection and analysis of the anatomical structures and pathological features in the retina. Different types of retinal pathology may be detected and analyzed via the application of appropriately designed techniques of digital image processing and pattern recognition. Computer-aided analysis of retinal images has the potential to facilitate quantitative and objective analysis of retinal lesions and abnormalities. Accurate identification and localization of retinal features and lesions could contribute to improved diagnosis, treatment, and management of retinopathy. This book presents an introduction to diagnostic imaging of the retina and an overview of image processing techniques for ophthalmology. In particular, digital image processing algorithms and pattern analysis techniques for the detection of the ONH are described. In fundus images, the ONH usually appears as a bright region, white or yellow in color, and is indicated as the convergent area of the network of blood vessels. Use of the geometrical and intensity characteristics of the ONH, as well as the property that the ONH represents the location of entrance of the blood vessels and the optic nerve into the retina, is demonstrated in developing the methods. The image processing techniques described in the book include morphological filters for preprocessing fundus images, filters for edge detection, the Hough transform for the detection of lines and circles, Gabor filters to detect the blood vessels, and phase portrait analysis for the detection of convergent or node-like patterns. Illustrations of application of the methods to fundus images from two publicly available databases are presented, in terms of locating the center and the boundary of the ONH. Methods for quantitative evaluation of the results of detection of the ONH using measures of overlap and free-response receiver operating characteristics are also described. Table of Contents: Introduction / Computer-aided Analysis of Images of the Retina / Detection of Geometrical Patterns / Datasets and Experimental Setup / Detection of the\\Optic Nerve Head\\Using the Hough Transform / Detection of the\\Optic Nerve Head\\Using Phase Portraits / Concluding Remarks

Handbook of Neuroimaging for the Ophthalmologist

M Tariq Bhatti,Ilona Schmalfuss
Handbook of Neuroimaging for the Ophthalmologist Book PDF

Author : M Tariq Bhatti,Ilona Schmalfuss
Publisher : JP Medical Ltd
Page : 416 pages
File Size : 51,8 Mb
Release : 2014-04-28
Category : Medical
ISBN : 9781907816130

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Handbook of Neuroimaging for the Ophthalmologist by M Tariq Bhatti,Ilona Schmalfuss Pdf

Neuroimaging plays a critical part in the evaluation of disorders of the eye, orbit and visual pathways. CT and MRI are the key imaging modalities and it is essential for the ophthalmologist to understand the scope and limitations of these techniques. This practical book covers the basics of CT and MR imaging, selection criteria, and interpretation of the findings, all exemplified with case presentations. Key Points Provides a basic understanding of the role of MRI and CT in the diagnosis of neuro-ophthalmic disorders Guides the ophthalmologist through the selection and interpretation of diagnostic imaging techniques Uses case presentations to highlight pearls and pitfalls

Imaging of Orbital and Visual Pathway Pathology

Wibke S. Müller-Forell
Imaging of Orbital and Visual Pathway Pathology Book PDF

Author : Wibke S. Müller-Forell
Publisher : Springer Science & Business Media
Page : 454 pages
File Size : 45,6 Mb
Release : 2005-12-29
Category : Medical
ISBN : 9783540279891

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Imaging of Orbital and Visual Pathway Pathology by Wibke S. Müller-Forell Pdf

Deals with imaging of pathology of the visual system. This book is divided into two parts, general and special. In the general part, important basics of modern imaging methods are discussed. The knowledge on the indication, technique, and results of functional MR imaging is also presented.

Optical Coherence Tomography in Glaucoma

Jullia A. Rosdahl
Optical Coherence Tomography in Glaucoma Book PDF

Author : Jullia A. Rosdahl
Publisher : Thieme
Page : 473 pages
File Size : 42,8 Mb
Release : 2021-09-25
Category : Medical
ISBN : 9781638537045

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Optical Coherence Tomography in Glaucoma by Jullia A. Rosdahl Pdf

A comprehensive and user-friendly guide on leveraging OCT for the management of glaucoma Optical coherence tomography (OCT) is a noninvasive diagnostic imaging modality that enables ophthalmologists to visualize different layers of the optic nerve and retinal nerve fiber layer (RNFL) with astounding detail. Today, OCT is an instrumental tool for screening, diagnosing, and tracking the progression of glaucoma in patients. Optical Coherence Tomography in Glaucoma by renowned glaucoma specialist Jullia A. Rosdahl and esteemed contributors is a one-stop, unique resource that summarizes the clinical utility of this imaging technology, from basics to advanced analyses. The book features 14 chapters, starting with introductory chapters that discuss development of OCT and its applications for visualizing the optic nerve and macula. In chapter 5, case studies illustrate OCT imaging of the optic nerve, RNFL, and macula in all stages of glaucoma, from patients at risk to those with mild, moderate, and severe diseases. The next chapters cover the intrinsic relationship between optic nerve structure and function, the use of structure–function maps, and examples of their relationship, followed by a comparison of commonly used devices and a chapter on artifacts. Anterior segment OCT is covered next, followed by chapters covering special considerations in pediatric glaucomas and in patients with high refractive errors. The final chapters cover innovations in OCT on the horizon including OCT angiography, swept-source OCT, and artificial intelligence. Key Highlights Illustrative case examples provide firsthand clinical insights on how OCT can be leveraged to inform glaucoma treatment. In-depth guidance on recognizing and managing artifacts including case examples and key technical steps to help prevent their occurrence. Pearls on the use of OCT for less common patient scenarios such as pediatric glaucomas and high refractive errors. Future OCT directions including angiography, swept-source, and the use of artificial intelligence. This practical resource is essential reading for ophthalmology trainees and ophthalmologists new to using OCT for glaucoma. The pearls, examples, and novel topics in this book will also help experienced clinicians deepen their knowledge and increase confidence using OCT in daily practice.

Multimodal Imaging in Uveitis

H. Nida Sen,Russell W. Read
Multimodal Imaging in Uveitis Book PDF

Author : H. Nida Sen,Russell W. Read
Publisher : Springer
Page : 169 pages
File Size : 41,9 Mb
Release : 2017-12-09
Category : Medical
ISBN : 9783319236902

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Multimodal Imaging in Uveitis by H. Nida Sen,Russell W. Read Pdf

This book is a comprehensive guide to the imaging techniques that have revolutionized the diagnosis and management of uveitis during the past decade, including optical coherence tomography (OCT), enhanced depth imaging, fundus autofluorescence, and wide-field angiography. In addition, the current role of the traditional (invasive) gold standard techniques, fluorescein angiography and indocyanine green angiography, is described. Among the newer imaging modalities, detailed attention is paid to the various OCT technologies such as spectral domain OCT, enhanced-depth imaging OCT, and enface swept-source OCT. Further individual chapters focus on imaging using adaptive optics, multiview OCT, and OCT angiography. Uveitis can affect virtually any structure in the eye, and imaging of these structures is critical in the diagnosis, prognosis, and management of the disease. Increasing use and better understanding of the different modalities described in this book are sure to improve our knowledge of disease mechanisms and likely outcomes.

Principles of Ocular Imaging

Daniel Gologorsky,Richard B. Rosen
Principles of Ocular Imaging Book PDF

Author : Daniel Gologorsky,Richard B. Rosen
Publisher : Slack
Page : 150 pages
File Size : 40,7 Mb
Release : 2020
Category : Electronic
ISBN : 1630915998

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Principles of Ocular Imaging by Daniel Gologorsky,Richard B. Rosen Pdf

A comprehensive guide for the eye specialist, Principles of Ocular Imaging presents essential information on imaging modalities for ophthalmologists, residents, and fellows. Ophthalmology and imaging are inextricably intertwined, and practicing eye care professionals need a single definitive source on multiple imaging modalities to reference in clinical practice. Together with their contributors, Drs. Gologorsky and Rosen provide concise but thorough information on the technology and clinical application of 22 imaging modalities unique to ophthalmology, with illustrations and photos throughout that demonstrate how to apply each imaging principle in clinical practice. Principles of Ocular Imaging is divided into the following subspecialties for easy reference in busy clinical environments: Oculoplastics: external photography, ptosis visual fields, slit lamp photography, and orbital ultrasonography Cornea and refractive: corneal topography, confocal microscopy, anterior segment optical coherence tomography (AS-OCT), ultrasound biomicroscopy (UBM), biometry for intraocular lens (IOL) calculations Glaucoma: visual fields, optical coherence tomography (OCT) in glaucoma Retina: fundus photography, fluorescein angiography (FA), indocyanine green (ICG) angiography, fundus autofluorescence (FAF), OCT in retina, optical coherence tomography angiography (OCTA), adaptive optics (AO), microperimetry, retinal ultrasonography Neuro-Ophthalmology: electrophysiology of vision and computed tomography (CT) & magnetic resonance imaging (MRI) A practical, illustrative guide to ophthalmic imaging, Principles of Ocular Imaging is an indispensable addition to the practicing ophthalmologist's professional library.