1. Articles in category: Textbooks

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    1. Atlas of Ocular Optical Coherence Tomography (Textbook)

      Atlas of Ocular Optical Coherence Tomography (Textbook)

      (1) Basics and principles of optical coherence tomography (OCT), which briefly discuss the mechanisms and operation of OCT systems and a comparison of old and new systems (time domain vs. spectral domain) and their reproducibility. It concisely explains the swept-source OCT mechanism and OCT angiography as well. (2) Normal OCT, which describes normal findings and variations that are expected on normal OCT images, and the layers of the normal retina and in different parts of the posterior segment. (3) Enhanced-depth imaging (EDI)-OCT and its applications and indications in various diseases such as choroidal tumors, age-related macular degeneration, diabetic retinopathy ...

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    2. Lacrimal Pathologies and Optical Coherence Tomography (Book Chapter)

      Lacrimal Pathologies and Optical Coherence Tomography (Book Chapter)

      Ocular coherence tomography is being increasingly utilized to study disorders of the proximal lacrimal drainage system [1–5]. OCT can be useful for diagnosis and monitoring treatments for numerous conditions like the punctal stenosis, punctal agenesis, incomplete punctal canalization, punctal keratinizing cyst, and canaliculus. Typical FD-OCT features described for IPC include a hyper-reflective membrane covering the punctal surface with distinctly identifiable and normal lumen of the vertical canaliculus beneath. Membranotomy is the preferred modality of managing IPC with very high success rates where normal appearing wide punctum can be seen on OCT. Punctal stenosis is characterized by near total or ...

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    3. Normal Lacrimal Optical Coherence Tomography (Book Chapter)

      Normal Lacrimal Optical Coherence Tomography (Book Chapter)

      Ocular coherence tomography is rapidly gaining foothold as an important imaging modality for the punctum and vertical canaliculus. It works on the principle of low coherence interferometry. The technique involves positioning the patient with their chin on the OCT chin rest and their forehead against the upper support. With the eyes open, the lower eyelid margin is gently everted using a cotton bud placed below the punctum just enough to get the punctum into a plane perpendicular to the light source. The long axis of scan is aligned approximately parallel to the lid margin, and line scan is captured. A ...

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    4. Multimodal Imaging in Uveitis (Textbook)

      Multimodal Imaging in Uveitis (Textbook)

      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 ...

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    5. Optical Coherence Tomography in Macular Diseases and Glaucoma - Basic Knowledge (Textbook)

      Optical Coherence Tomography in Macular Diseases and Glaucoma - Basic Knowledge (Textbook)

      OCT has shed a discerning light on conditions related to vitreo-retinal interface such as vitreo-macular traction and macular holes. Another significant use of OCT is in its ability to enhance long follow ups of various retinal conditions in a quantitative and non -invasive manner. OCT images contain much information on the retina structure and have an important role in the evaluation of the disease progression and the response to therapy.

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    6. Early Cancer Detection (Book Chapter)

      Early Cancer Detection (Book Chapter)

      Lung cancer is the leading cause of cancer deaths worldwide as the majority of patient shave advanced disease at diagnosis.  Detection and early treatment of pre-invasive and minimally invasive lung cancer can significantly improve the current 5-year survival of <18%,  Endoscopic optical imaging (such as autoflourescence imaging), NBI, and OCT provide sensitive means to rapidly scan the central airways , in order to detect early lung cancer for biopsy confirmation and delineation of the extent of the tumor spread to guide treatment.

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    7. Inspection of the Human Retina by Optical Coherence Tomography (Book Chapter)

      Inspection of the Human Retina by Optical Coherence Tomography (Book Chapter)

      Optical coherence tomography (OCT) is a high-resolution, three-dimensional, noninvasive imaging modality to examine the human retina. Since the introduction of spectral domain (SD-) OCT—the currently most used variant of OCT—previously unknown details of in vivo retinal morphology of a broad variety of pathologies have become visible. This chapter explains the basic principles of the OCT technology, deals with possible pitfalls in OCT examination or analysis, and hints at the use of OCT technology in functional imaging.

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    8. Optical Coherence Tomography: A Review (Book Chapter)

      Optical Coherence Tomography: A Review (Book Chapter)

      Optical coherence tomography (OCT), with polarization-sensitive (PS), Doppler, and autofluorescence (AF) capabilities, is emerging as a promising bronchoscopic diagnostic tool. In the upper and central airways, it allows accurate real-time airway measurements to assist bronchoscopic assessment of obstructive sleep apnea, severity of tracheomalacia, airway stenosis, or extent of tumor involvement into the bronchial wall or distally beyond the bronchoscopic view. OCT can visualize cellular and extracellular structures at and below the tissue surface with near histologic resolution as well as to provide three-dimensional imaging of the airways. Blood vessels in the bronchial wall or peribronchial space can be displayed using ...

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    9. Coronary Imaging and Physiology (Textbook)

      Coronary Imaging and Physiology (Textbook)

      Although the guideline of the European Society of Cardiology has recommended that optical coherence tomography (OCT) may be considered in selected patients during percutaneous coronary intervention (PCI) [1], data regarding OCT guidance are limited (Table 14.1). In this chapter, clinical evidences and benefits of OCT-guided PCI will be discussed. This book is intended as a guide for all cardiologists who are interested in coronary imaging and physiology, a sound understanding of which is vital for the optimal performance of appropriate coronary interventions. The basics of each relevant modality are presented, with clear explanation of clinical utility and evaluation of ...

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    10. OCT Made Easy (Textbook)

      OCT Made Easy (Textbook)

      This book, written by premier authors in the field of OCT intravascular imaging, covers the best practices for using OCT to provide high resolution cross-sectional viewing for atherosclerotic plaque assessment, stent strut coverage and apposition, assessment in stent restenosis evaluation, and PCI guide and optimization. Fully illustrated thorughout in a handy, cath-lab side handbook supplemented by online movie clips, OCT Made Easy includes case studies, angiography, CT correlations, and simple techniques for getting the best image.

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    11. Atlas of Coronary Intravascular Optical Coherence Tomography (Textbook)

      Atlas of Coronary Intravascular Optical Coherence Tomography (Textbook)

      This atlas is a practical and fully illustrated guide to the use of intravascular OCT in diagnosis and treatment of coronary artery disease. It consists of two parts. The first part of the book provides a systematic introduction to coronary imaging with OCT. It describes how to interpret images and describes abnormal findings seen in atherosclerosis, complications after intervention, and stent assessment. The second part of the book presents real-life case studies that show how OCT is used in clinical practice in Mount Sinai to assess the disease, select appropriate treatment, and evaluate complications and results. Each case includes a ...

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    12. Swept-source Optical Coherence Tomography : A Color Atlas (Textbook)

      Swept-source Optical Coherence Tomography : A Color Atlas (Textbook)

      This book is written for retinal specialists and clinicians with a special interest in retinal diseases. It presents a collection of images and brief annotations of the microstructures of both the normal and diseased eye captured on swept source optical coherence tomography. The swept-source OCT is a relatively new form of imaging and is able to capture structures and details which previous generations of OCT machines cannot. This type of imaging represents the forefront in ocular imaging.

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    13. Optical Coherence Tomography Angiography of the Eye (Textbook)

      Optical Coherence Tomography Angiography of the Eye (Textbook)

      Optical coherence tomography (OCT) angiography is an important new imaging modality that is already being used by ophthalmologists in retina centers worldwide. It uses motion as intrinsic contrast, thus obviating the need to inject any intravenous dye. It uses infrared light that is invisible to the patient, and only requires few seconds per scan. This makes it both easier to use and much better tolerated by patients than traditional dye-based fluorescein angiography (FA) and indocyanine green (ICG) angiography. Inside Optical Coherence Tomography Angiography of the Eye Drs. David Huang, Bruno Lumbroso, Yali Jia, and Nadia Waheed include detailed information on ...

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    14. Atlas of Retinal OCT: Optical Coherence Tomography (Textbook)

      Atlas of Retinal OCT: Optical Coherence Tomography (Textbook)

      Optical Coherence Tomography has revolutionized today’s eye care. This remarkable non-invasive scanning technology is unparalleled for aiding diagnosis of retinal disease and recording disease progression. Atlas of Retinal OCT: Optical Coherence Tomography provides expert guidance in this rapidly evolving area with high-quality, oversized images that show precise detail and assist with rapid, accurate clinical decision making.

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    15. OCT Atlas app – Second edition upcoming release (Textbook)

      OCT Atlas app – Second edition upcoming release (Textbook)

      Developed specifically for the iPad, The Clinical Atlas of OCT offers a rapid and interactive guidance to a systematic and scientifically critical interpretation of OCT images for interventional cardiologists, pathologists, and other physicians, technicians, trainees and research staff. The Clinical Atlas of Intravascular Optical Coherence Tomography (OCT) is the first comprehensive educational tool devoted exclusively to intravascular OCT. The iPad Atlas of OCT provides high-quality images in agreement with international consensus presented in an interactive and educative manner covering all emerging topics in the field. Conducted by Professor Patrick W. Serruys, Dr. Maria Radu, Dr. Lorenz Räber and Dr ...

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    16. The Retinal Atlas, 2nd Edition

      The Retinal Atlas, 2nd Edition

      With more than 5,000 images, a unique page layout, and comprehensive illustrations of the entire spectrum of vitreous, retina, and macula disorders, The Retinal Atlas, 2nd Edition, is an indispensable reference for retina specialists and comprehensive ophthalmologists as well as residents and fellows in training. For this edition, an expanded author team made up of Drs. K. Bailey Freund, David Sarraf, William F. Mieler, and Lawrence A. Yannuzzi, each an expert in retinal research and imaging, provide definitive up-to-date perspectives in this rapidly advancing field. This award-winning title has been thoroughly updated with new images with multimodal illustrations, new ...

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    17. Spectral Domain Optical Coherence Tomography in Macular Disease (Textbook)

      Spectral Domain Optical Coherence Tomography in Macular Disease (Textbook)

      . This book aims to build concepts and create a solid foundation in the field of optical coherence tomography (OCT) for the general ophthalmologists as well as for the resident trainees and fellows. The chapters are written by leading international authorities in a style comprehensible to a broad audience. Numerous clinical pictures and SD-OCT scans help elucidate various clinical entities.OCT is the optical analog of ultrasound imaging and has emerged as a powerful imaging technique that enables non-invasive, in-vivo, high-resolution, cross-sectional imaging in retinal tissue. A new generation spectral domain optical coherence tomography (SD-OCT) technology has now been developed, representing ...

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    18. Optical Coherence Tomography Angiography of the Eye

      Optical Coherence Tomography Angiography of the Eye

      Optical coherence tomography (OCT) angiography is an important new imaging modality that is already being used by ophthalmologists in retina centers worldwide. It uses motion as intrinsic contrast, thus obviating the need to inject any intravenous dye. It uses infrared light that is invisible to the patient, and only requires few seconds per scan. This makes it both easier to use and much better tolerated by patients than traditional dye-based fluorescein angiography (FA) and indocyanine green (ICG) angiography. Inside Optical Coherence Tomography Angiography of the Eye Drs. David Huang, Bruno Lumbroso, Yali Jia, and Nadia Waheed include detailed information on ...

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    19. Peripheral Retinal Degenerations: Optical Coherence Tomography and Retinal Laser Coagulation (Textbook)

      Peripheral Retinal Degenerations: Optical Coherence Tomography and Retinal Laser Coagulation (Textbook)

      This book provides an illustrated guide to peripheral retinal degenerations and the role of spectral domain coherence tomography (SD-OCT) in diagnosis and treatment. The book discusses 73 clinical cases and gives detailed information on the principles of SD-OCT and its application in the imaging of peripheral retina. Peripheral Retinal Degenerations: Optical Coherence Tomography and Retinal Laser Coagulation, 2nd edition, discusses a broad range of retinal pathologies such as chorioretinal degenerations, posterior vitreous detachment, vitreoretinal adhesions and tractions and includes a plethora of high-quality clinical images throughout. Ophthalmologists and retinal specialists will find this updated edition to be the perfect didactic ...

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    20. Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications (Book Chapter)

      Supercontinuum Generation in a Silicon Nanowire Embedded Photonic Crystal Fiber for Optical Coherence Tomography Applications (Book Chapter)

      In this paper, we design a silicon nanowire embedded photonic crystal fiber (SN-PCF) using fully vectorial finite element method. Further, we analyze the various optical properties, namely, waveguide dispersion and nonlinearity by varying the core diameter from 400 to 500 nm for a wide range of wavelengths from 0.8 to 1.7 μm. The proposed structure exhibits a low second (−0.4909 ps 2 /m) and third order (0.6595 10 −3 ps 3 /m) dispersions with very high nonlinearity (1358 W −1 m −1 ) for 480 nm core diameter at 0.8 μm wavelength. Besides, we investigate the ...

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    21. Optical Coherence Tomography and Wide-Field Fluorescein Angiography in Retinopathy of Prematurity (Book Chapter)

      Optical Coherence Tomography and Wide-Field Fluorescein Angiography in Retinopathy of Prematurity (Book Chapter)

      The advent and adaptation of many imaging modalities promise to revolutionize our understanding of retinopathy of prematurity (ROP) by improving the detection, diagnosis, and monitoring of response to treatment of this disease. Diagnosis and classification of ROP traditionally relies on an eye exam by an ophthalmologist expert in this area who characterizes extent and character of retinal vascularization via indirect ophthalmoscopy. Many tools now exist that allow for data acquisition by nurses, technicians, and other trained staff with the images analyzed in a more centralized location. We will focus on two rapidly evolving technologies, optical coherence tomography (OCT), and wide ...

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    1-24 of 162 1 2 3 4 5 6 7 »
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