Anterior Segment Optical Coherence Tomography

High-speed anterior segment optical coherence tomography (OCT) offers a non-contact method for high resolution cross-sectional and three-dimensional imaging of the cornea and the anterior segment of the eye. As the first text completely devoted to this topic, Anterior Segment Optical Coherence Tomography comprehensively explains both the scientific principles and the clinical applications of this exciting and advancing technology. Anterior Segment Optical Coherence Tomography enhances surgical planning and postoperative care for a variety of anterior segment applications by expertly explaining how abnormalities in the anterior chamber angle, cornea, iris, and lens can be identified and evaluated using the Visante OCT(TM). Inside Anterior Segment Optical Coherence Tomography, Dr. Roger Steinert and Dr. David Huang, along with 22 of the field's leading professionals, provide a wealth of useful clinical and physiological material about this new diagnostic imaging technique. Valuable images are included to assist in the pre- and postoperative assessment of various anterior segment disorders. Additionally, this unique resource contains detailed information on biometric measurements to enhance diagnostic capability. On the leading edge of anterior segment imaging: Mapping of corneal thickness and keratoconus evaluation Measurement of LASIK flap and stromal bed thickness Visualization and measurement of anterior chamber angle and diagnosis of narrow angle glaucoma Measuring the dimensions of the anterior chamber and assessing the fit of intraocular lens implants Visualizing and measuring the results of corneal implants and lamellar procedures Imaging through corneal opacity to see internal eye structures With the increase in popularity of anterior chamber imaging, and anterior segment OCT proving to be the best tool for high resolution biometry, Anterior Segment Optical Coherence Tomography is a must-have for anterior segment, refractive, cornea, and glaucoma surgeons.

Part of the Essentials in Ophthalmology series, this atlas is designed to comprehensively cover optical coherence tomography of the anterior segment of the eye. The aim is to improve knowledge of the fundamentals of OCT technology for anterior segment, clarify the differences with posterior segment OCT and emphasize the immense relevance and usefulness that anterior segment OCT study has for diagnosis, therapeutic orientation, surgical guidance, and improvement in patient management. Atlas of Anterior Segment Optical Coherence Tomography is organized into comprehensive chapters on the following topics: fundamentals, technologies and technological differences among platforms, application of OCT, corneal OCT angiography, as well as case-based chapters. Numerous highly-detailed figures, illustrations and photographs make this an ideal resource for the corneal specialist seeking further instruction on this cutting-edge technology. The case-based chapters include such conditions as bowman dystrophies, trauma, cataract, glaucoma, sclera, refractive surgery, ocular infections, and are structured to facilitate the consultant surgeon by providing practical information applicable to practical cases in their practice.

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.

This book is a highly illustrated, practical guide to anterior segment optical coherence tomography (OCT) with numerous photographs and didactic information throughout. Clear and concise chapters outline the diagnostics of the anterior segment of the eye with clinical advice given to support ophthalmic surgeons with pre and intraoperative surgery planning as well as postoperative follow-up care. Optical Coherence Tomography of the Anterior Segment will be a useful resource for everyday practice to allow clinicians to grow their expertise in this patient-friendly and common diagnostic procedure. As the procedure continues to gain popularity, this book will be an indispensable resource for all levels of ophthalmologist who wish to improve their knowledge and techniques of anterior segment OCT.

This book focuses on the practical aspects of Optical Coherence Tomography (OCT) in glaucoma diagnostics offering important theoretical information along with many original cases. OCT is a non-invasive imaging technique that acquires high-resolution images of the ocular structures. It enables clinicians to detect glaucoma in the early stages and efficiently monitor the disease. Optical Coherence Tomography in Glaucoma features updated information on technical applications of OCT in glaucoma, reviews recently published literature and provides clinical cases based on Cirrus and Spectralis OCT platforms. In addition, newer techniques like event and trend analyses for progression, macular ganglion cell analysis, and OCT angiography are discussed. This book will serve as a reference for ophthalmologists and optometrists worldwide with a special interest in OCT imaging providing essential guidance on the application of OCT in glaucoma.

This book presents a new avenue in the field of ophthalmology and sheds light on the field of eye imaging. With the increasing availability of electronic devices and their important role in both personal and professional aspects of human life, there is a growing need for perfect vision. Ophthalmic imaging is a major tool for screening and documenting eye diseases in both medical and surgical fields of ophthalmology and is also of use for ophthalmologists around the globe. The number of eye-imaging devices has increased dramatically, however undiagnosed or poorly managed eye diseases remain a significant cause of ocular and visual problems worldwide. This essential guide addresses the need for a book that is dedicated to ophthalmic imaging, covering the cornea, glaucoma, retina and orbital imaging with updates on medical and surgical aspects of the topic.

This open access book gives a complete and comprehensive introduction to the fields of medical imaging systems, as designed for a broad range of applications. The authors of the book first explain the foundations of system theory and image processing, before highlighting several modalities in a dedicated chapter. The initial focus is on modalities that are closely related to traditional camera systems such as endoscopy and microscopy. This is followed by more complex image formation processes: magnetic resonance imaging, X-ray projection imaging, computed tomography, X-ray phase-contrast imaging, nuclear imaging, ultrasound, and optical coherence tomography.

While eye care providers are thoroughly familiar with the use of optical coherence tomography (OCT) in the diagnosis and management of glaucoma and retinal diseases, many are not as familiar with its myriad uses for the diagnosis of corneal and anterior segment conditions. Anterior segment OCT (AS-OCT) can help to differentiate between various corneal pathologies, show the anatomy of the angles, obtain information about the lens-capsule complex, and guide contact lens fitting, among many other clinical uses. Clinical Atlas of Anterior Segment OCT expertly guides clinicians through all aspects of AS-OCT with hundreds of high-quality OCT images that highlight the utility of AS-OCT in diagnosing and managing a wide spectrum of anterior segment diseases. Covers the entire normal anatomy of the anterior segment and pathology of the conjunctiva, corneal epithelium, stroma and endothelium, lens, iris, anatomic angle, and clinical settings such as trauma, infection, inflammation, and contact lens fitting. Includes information on using AS-OCT in clinical and surgical settings (intraoperative AS-OCT). Provides rich visual guidance with over 500+ high-quality figures (anterior segment OCT imaging and clinical photos) comparing normal anatomy and a wide range of pathology, including both common and rare disorders and how to differentiate frequently confused conditions. Provides a well-rounded perspective of AS-OCT, including how to use, understand, and capture images. Links high-quality slit lamp images to the corresponding AS-OCT image with clear labels to show the pathology side by side. Features clinical pearls in each chapter to relate key AS-OCT and clinical findings to everyday practice.