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Author : Peng Xiao,Claude Boccara,Kate Grieve,Yali Jia
Publisher : Frontiers Media SA
Page : 222 pages
File Size : 45,7 Mb
Release : 2022-12-06
Category : Medical
ISBN : 9782832508923
Author : Nicusor Iftimia,William R. Brugge,Daniel X. Hammer
Publisher : John Wiley & Sons
Page : 641 pages
File Size : 50,9 Mb
Release : 2011-04-27
Category : Science
ISBN : 9781118102718
This book provides students, teachers, researchers and clinicians with a strong and established source of information on advanced optical technologies that show real promise of being translated to clinical use.
Author : Feng Wen,Yu Xiang George Kong
Publisher : Frontiers Media SA
Page : 373 pages
File Size : 54,8 Mb
Release : 2022-09-30
Category : Medical
ISBN : 9782832501252
Author : David Huang,Yali Jia,Bruno Lumbroso,Nadia K. Waheed
Publisher : Kugler Publications
Page : 594 pages
File Size : 50,5 Mb
Release : 2024-01-08
Category : Medical
ISBN : 9789062999439
Optical coherence tomography angiography (OCTA) has undergone tremendous growth since its first commercial introduction in 2014. Because it provides injection-free, capillary-resolution, 3-dimensional angiography of the retina and choroid, OCTA is likely to overtake fluorescein as the most important angiographic imaging technique in the eye. Nearly all manufacturers of ophthalmic OCT now offer OCTA products. A PubMed search now yields over 5700 articles on OCTA and related terms. Clinical investigators have already found a use for OCTA in almost every category of retinal and optic nerve diseases. This book is meant to bring together all this information so clinicians can have one authoritative text to turn to as we begin to use this new imaging modality that was never taught when we were in formal training. Table of contents Introduction Dedication About the Editors Contributors 1. Optical coherence tomography systems for angiography 2. Optical coherence tomographic angiography algorithms 3. Vascular anatomy of the normal retina and choroid 4. OCTA of the normal anterior eye circulations 5. Artifacts 6. Quantification 7. Artificial intelligence in optical coherence tomographic angiography 8. Terminology: a new standard 9. AngioVue SSADA OCTA on the Optovue SOLIX Spectral-Domain OCT 10. Optical microangiography with AngioPlex® and PLEX® Elite systems 11. Optical coherence tomography angiography imaging on the Topcon Triton and Maestro2 systems 12. NIDEK Mirante OCT angiography 13. OCTA on the Heidelberg spectralis spectral-domain OCT 14. OCTA on the Optopol REVO NX spectral-domain OCT 15. OCTA on the Canon OCT-HS100 and Xephilio OCT-A1 Spectral-Domain OCT 16. Exudative neovascular age-related macular degeneration—Type 1, 2 and 3 neovascularization 17. Retinal angiomatous proliferation—type 3 choroidal neovascularization 18. Short- and long-term follow-up of macular neovascularization response to antiangiogenic treatment 19. Nonexudative neovascular age-related macular degeneration 20. Non-neovascular age-related macular degeneration 21. Polypoidal choroidal vasculopathy 22. Macular telangiectasia 23. Central serous chorioretinopathy 25. Nonproliferative diabetic retinopathy 26. Subclinical neovascular diabetic retinopathy 27. Proliferative diabetic retinopathy 28. Retinal venous occlusion 29. Retinal arterial occlusion 30. Plexus-specific occlusions in retinal vascular diseases 31. Paracentral acute middle maculopathy 32. Inherited retinal degenerations 33. Pathologic myopia 34. Multimodal imaging and the role of optical coherence tomography angiography in retinal vasculitis 35. White spot syndromes 36. Choroidal tumors 37. Radiation retinopathy 38. Open-angle glaucoma 39. Primary angle-closure glaucoma 40. Optic neuritis and multiple sclerosis 41. Alzheimer’s disease 42. Corneal neovascularization 43. Ocular surface and iris tumors
Author : Miguel A. Quiroz-Reyes, Virgilio Lima-Gomez
Publisher : Bentham Science Publishers
Page : 276 pages
File Size : 49,5 Mb
Release : 2023-12-21
Category : Medical
ISBN : 9789815124101
This handbook covers Optical Coherence Tomography Angiography (OCT-A) with a specific focus on choroidal and vitreoretinal disorders. It serves as an invaluable resource for teaching and aiding daily clinical decision-making in the field. Book chapters dissect the fundamentals of angiography through OCT, offering guidance on OCT-A and insights into macular perfusional findings across various vitreoretinal and choroidal pathologies. From diabetic retinopathy to autoimmune diseases and neovascularization, the book addresses prevalent vascular entities encountered in routine practice. Furthermore, it explores innovative approaches, including antivascular endothelial growth factor molecules and extended-release delivery devices, contributing significantly to the diagnostic and decision-making processes in clinical and surgical retina care. Each chapter is contributed by experts in the relevant subspecialty. Key Features: Practical, patient-centered guide emphasizing a clinical approach. Demonstrative clinical cases for enhanced understanding. Evaluation of perfusional indices using noninvasive and noncontact imaging techniques. High histopathological correlation of structural tissue characterization with microvascular evaluation. Exploration of new perfusion concepts and their role in disease pathogenesis. Part 1 of the book focuses on OCT-A principles and applications in ophthalmology. It covers the basics of OCT-A, its contributions to eye disease study and treatment, and a comparative analysis with OCT for choroidal and vitreoretinal diseases. Additional information on nomenclature, normative datasets, and data analysis, presenting indices in different eye conditions is also presented. The emphasis is on macular perfusion in surgically resolved myopic foveoretinal detachment, postoperative evaluation in retinal detachment, and long-term analysis in diabetic retinopathy
Author : Wolfgang Drexler,James G. Fujimoto
Publisher : Springer Science & Business Media
Page : 1346 pages
File Size : 55,6 Mb
Release : 2008-12-10
Category : Medical
ISBN : 9783540775508
Optical coherence tomography (OCT) is the optical analog of ultrasound imaging and is emerging as a powerful imaging technique that enables non-invasive, in vivo, high resolution, cross-sectional imaging in biological tissue. This book introduces OCT technology and applications not only from an optical and technological viewpoint, but also from biomedical and clinical perspectives. The chapters are written by leading research groups, in a style comprehensible to a broad audience.
Author : Amar Agarwal,Samuel Boyd,Robert C Drews
Publisher : JP Medical Ltd
Page : 197 pages
File Size : 46,6 Mb
Release : 2011-03-31
Category : Medical
ISBN : 9789962678076
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.
Author : F. Bandello,L. Mastropasqua,G. Querques
Publisher : Karger Medical and Scientific Publishers
Page : 146 pages
File Size : 50,9 Mb
Release : 2020-12-07
Category : Medical
ISBN : 9783318066432
The recent introduction of optical coherence tomography angiography (OCTA) has remarkably expanded the knowledge of different retinal, chorioretinal, and optic disc disorders. OCTA is nowadays often used as a routine exam in clinical practice, which has significantly modified the approach to patients, granting the opportunity to easily and noninvasively investigate the retinal and choroidal circulation. Major experts in posterior eye imaging share in this publication their experiences, images and ideas using OCTA in various contexts including age-related macular degeneration, diabetic retinopathy and retinal dystrophies, thus providing an in-depth overview of the latest knowledge in this field.
Author : Aniz Girach,Robert C. Sergott
Publisher : Springer
Page : 148 pages
File Size : 40,9 Mb
Release : 2016-01-04
Category : Medical
ISBN : 9783319248172
This richly illustrated, comprehensive guide will enable the reader to identify anatomy and ophthalmic disease as illustrated on optical coherence tomography (OCT). It is the most up-to-date atlas of OCT images, many of which have been obtained with the newer OCT technologies that offer excellent image quality and definition at a microscopic level. All of the major disease areas in ophthalmology are covered, including diabetic retinopathy, age-related macular degeneration, uveitis, glaucoma, retinal vascular disease, and genetic abnormalities, and further hot topics are also considered. The chapters are written by leading international ophthalmologists from famous academic centers, and the numerous high-quality OCT images ensure that the reader will easily be able to follow the key issues. This book, with its clinical emphasis, will have wide appeal for residents, fellows, and experienced practitioners in ophthalmology, as well as optometrists and medical students and graduates.
Author : Anonim
Publisher : BoD – Books on Demand
Page : 142 pages
File Size : 40,5 Mb
Release : 2019-09-04
Category : Medical
ISBN : 9781838803117
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.
Author : Charles J. Pavlin,F.Stuart Foster
Publisher : Springer Science & Business Media
Page : 214 pages
File Size : 46,8 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9781461224709
The history of the use of ultrasound in medicine has been one of evolution of technology and innovative methods of applying this technology to imaging body structures. Many scientists and clinicians have contributed to this evolution. Ophthalmic ultrasound has become an indispensible tool in ophthalmic practice, with its own instrumentation and techniques. Ultrasound frequencies used in ophthalmology have generally been higher than those used in general medicine because of a requirement for higher resolution and a lesser need for deep penetration. Most ophthalmic diagnostic equipment uses frequencies in the 10 MHz range. The use of ultrasound frequencies in the 50-100 MHz range is a relatively new development in ultrasound imaging of the eye. This technique has been developed in our laboratories over the past several years. We have progressed from the theoretical description of the basic science required, past the first in-vitro experiments in eye bank eyes, to the construction of an instrument capable of clinical application. We have gained broad clinical experience with this instrument in normal patients and patients with ocular disease. A commercial instrument based on our original clinical scanner has recently become available, allowing other clinicians to apply this tool to ophthalmic research and clinical practice. We have applied the term ultrasound biomicroscopy to this new imaging technique because of similarities to optical biomicroscopy, i. e. , the observation of living tissue at microscopic resolution.
Author : Giuseppe Lo Giudice,Irene Gatazzo
Publisher : Intechopen
Page : 0 pages
File Size : 46,5 Mb
Release : 2023-09
Category : Electronic
ISBN : 1803550724
Optical coherence tomography (OCT) has dramatically revolutionized ophthalmology in the clinical setting. It has become an indispensable tool for ophthalmologists, enabling them to visualize and diagnose several different ocular diseases. With the advent of OCT, the diagnosis and management of ocular diseases have become even more accurate, efficient, and patient friendly. A new generation of OCT technology with increased resolution and speed has been developed, achieving in vivo optical biopsy (i.e., visualization of tissue architectural morphology in situ and in real-time). Functional extensions of OCT technology enable noninvasive, depth-resolved functional assessment and tissue imaging. This comprehensive and richly illustrated guide enables the reader to identify the anatomy and ophthalmic pathologies illustrated by OCT. It is the most up-to-date book on OCT. All the major pathological areas of ophthalmology are covered, including macular degeneration, uveitis, glaucoma, vascular diseases, and glaucoma abnormalities, as well as other hot topics.
Author : Harold Anderson
Publisher : Murphy & Moore Publishing
Page : 243 pages
File Size : 53,7 Mb
Release : 2021-11-16
Category : Medical
ISBN : 1639870539
Optical coherence tomography is an imaging test which is non-invasive in nature, and makes use of light waves in order to take cross-section pictures of the retina. The different layers of the retina are visible through this technique. There are numerous eye conditions which can be diagnosed through optical coherence tomography. A few of them are glaucoma, diabetic retinopathy, macular edema and macular hole. The disorders of the optic nerve are also examined using this technique. The conditions which interfere with the passage of light through the eye cannot be diagnosed through optical coherence tomography, since it depends on light waves. This book brings forth some of the most innovative concepts and elucidates the unexplored aspects of optical coherence tomography. It strives to provide a fair idea about its clinical applications and to help develop a better understanding of the latest advances within this field. This book is a vital tool for all researching or studying ophthalmology as it gives incredible insights into emerging trends and concepts.
Author : Alireza Ziaei
Publisher : BoD – Books on Demand
Page : 136 pages
File Size : 48,9 Mb
Release : 2019-06-12
Category : Medical
ISBN : 9781838808068
Imagination is the key to any discovery, and its presence in the science to improve vision is no exception. Vision science is racing forward, spurred on by a host of exciting novel research discoveries and the efforts of scientists. This book, a collection of reviewed and relevant research chapters, intends to provide readers with a comprehensive overview of the latest and most advanced findings in several aspects of ophthalmology, ophthalmic pathology, ocular imaging, and certain treatments and surgical strategies. It is an excellent, well-integrated review of treatment options in eye disease that aims to provide a thorough overview of the recent developments written by international authors. "Frontiers in Ophthalmology and Ocular Imaging" can be used as an important reference for clinically oriented ophthalmologists and scientists.
Author : Valery V. Tuchin,Dan Zhu,Elina A. Genina
Publisher : CRC Press
Page : 682 pages
File Size : 54,7 Mb
Release : 2022-02-04
Category : Science
ISBN : 9781000466300
Biomedical photonics is currently one of the fastest growing fields, connecting research in physics, optics, and electrical engineering coupled with medical and biological applications. It allows for the structural and functional analysis of tissues and cells with resolution and contrast unattainable by any other methods. However, the major challenges of many biophotonics techniques are associated with the need to enhance imaging resolution even further to the sub-cellular level as well as translate them for in vivo studies. The tissue optical clearing method uses immersion of tissues into optical clearing agents (OCAs) that reduces the scattering of tissue and makes tissue more transparent and this method has been successfully used ever since. This book is a self-contained introduction to tissue optical clearing, including the basic principles and in vitro biological applications, from in vitro to in vivo tissue optical clearing methods, and combination of tissue optical clearing and various optical imaging for diagnosis. The chapters cover a wide range of issues related to the field of tissue optical clearing: mechanisms of tissue optical clearing in vitro and in vivo; traditional and innovative optical clearing agents; recent achievements in optical clearing of different tissues (including pathological tissues) and blood for optical imaging diagnosis and therapy. This book provides a comprehensive account of the latest research and possibilities of utilising optical clearing as an instrument for improving the diagnostic effectiveness of modern optical diagnostic methods. The book is addressed to biophysicist researchers, graduate students and postdocs of biomedical specialties, as well as biomedical engineers and physicians interested in the development and application of optical methods in medicine. Key features: The first collective reference to collate all known knowledge on this topic Edited by experts in the field with chapter contributions from subject area specialists Brings together the two main approaches in immersion optical clearing into one cohesive book
