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Author: Helga Kolb
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Thomas F. Freddo
Publisher: Lippincott Williams & Wilkins
ISBN: 146987329X
Category : Medical
Languages : en
Pages : 606

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Book Description
Master the Clinical Essentials of ocular and orbital anatomy for clinical practice! The eye is an organ of great complexity. Anatomy of the Eye and Orbit: The Clinical Essentials achieves the impressive task of presenting all the ocular anatomy that ophthalmology residents, optometry residents, and optometry students need to know – in a single accessible, high-yield volume. It emphasizes the aspects of eye and orbit anatomy that are most relevant to clinicians in training, providing the practical, real-world foundation necessary for practice.

Author: Mohammad Javed Ali
Publisher: Springer
ISBN: 9811054428
Category : Medical
Languages : en
Pages : 502

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Book Description
This second edition of the highly successful and comprehensive text on lacrimal disorders presents the latest developments in this rapidly evolving field. The new edition includes six new chapters, additional photographs and all chapters now have a separate section on recent advances. Written by experts in the field of dacryology, this book is a practical guide to evaluating and managing patients with lacrimal disorders. It methodically discusses basic anatomy and underlying pathology, patient evaluation, and all surgical procedures currently used to manage such disorders. It thoroughly yet concisely reviews surgical modalities including the endoscopic and micro-endoscopic approaches and provides ample illustrations for a better understanding. Since familiarity with a surgical technique is incomplete without the knowledge of risk factors and red flags, the text highlights ways of dealing with surgical complications and failure. Further it discusses in detail controversial topics and treatment dilemmas and reviews the current consensus among the experts. This is an up-to-date reference work for dacryologists, oculoplastic surgeons, general ophthalmologists as well as fellows in training.

Author: Richard S. Snell
Publisher: John Wiley & Sons
ISBN: 1118691008
Category : Medical
Languages : en
Pages : 491

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Book Description
Clinical Anatomy of the Eye has proved to be a very popular textbook for ophthalmologists and optometrists in training all over the world. The objective of the book is to provide the reader with the basic knowledge of anatomy necessary to practice ophthalmology. It is recognised that this medical speciality requires a detailed knowledge of the eyeball and the surrounding structures. The specialist's knowledge should include not only gross anatomic features and their development, but also the microscopic anatomy of the eyeball and the ocular appendages. The nerve and blood supply to the orbit, the autonomic innervation of the orbital structures, the visual pathway, and associated visual reflexes should receive great emphasis. The practical application of anatomic facts to ophthalmology has been emphasised throughout this book in the form of Clinical Notes in each chapter. Clinical problems requiring anatomic knowledge for their solution are presented at the end of each chapter. Illustrations are kept simple and overview drawings of the distribution of the cranial and autonomic nerves have been included.

Author: National Academy of Sciences
Publisher: National Academies Press
ISBN: 0309045290
Category : Medical
Languages : en
Pages : 195

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Book Description
The brain ... There is no other part of the human anatomy that is so intriguing. How does it develop and function and why does it sometimes, tragically, degenerate? The answers are complex. In Discovering the Brain, science writer Sandra Ackerman cuts through the complexity to bring this vital topic to the public. The 1990s were declared the "Decade of the Brain" by former President Bush, and the neuroscience community responded with a host of new investigations and conferences. Discovering the Brain is based on the Institute of Medicine conference, Decade of the Brain: Frontiers in Neuroscience and Brain Research. Discovering the Brain is a "field guide" to the brainâ€"an easy-to-read discussion of the brain's physical structure and where functions such as language and music appreciation lie. Ackerman examines: How electrical and chemical signals are conveyed in the brain. The mechanisms by which we see, hear, think, and pay attentionâ€"and how a "gut feeling" actually originates in the brain. Learning and memory retention, including parallels to computer memory and what they might tell us about our own mental capacity. Development of the brain throughout the life span, with a look at the aging brain. Ackerman provides an enlightening chapter on the connection between the brain's physical condition and various mental disorders and notes what progress can realistically be made toward the prevention and treatment of stroke and other ailments. Finally, she explores the potential for major advances during the "Decade of the Brain," with a look at medical imaging techniquesâ€"what various technologies can and cannot tell usâ€"and how the public and private sectors can contribute to continued advances in neuroscience. This highly readable volume will provide the public and policymakersâ€"and many scientists as wellâ€"with a helpful guide to understanding the many discoveries that are sure to be announced throughout the "Decade of the Brain."

Author: Kevin Moses
Publisher: Springer Science & Business Media
ISBN: 9783540425908
Category : Medical
Languages : en
Pages : 296

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Book Description
1 Kevin Moses It is now 25 years since the study of the development of the compound eye in Drosophila really began with a classic paper (Ready et al. 1976). In 1864, August Weismann published a monograph on the development of Diptera and included some beautiful drawings of the developing imaginal discs (Weismann 1864). One of these is the first description of the third instar eye disc in which Weismann drew a vertical line separating a posterior domain that included a regular pattern of clustered cells from an anterior domain without such a pattern. Weismann suggested that these clusters were the precursors of the adult ommatidia and that the line marks the anterior edge of the eye. In his first suggestion he was absolutely correct - in his second he was wrong. The vertical line shown was not the anterior edge of the eye, but the anterior edge of a moving wave of patterning and cell type specification that 112 years later (1976) Ready, Hansen and Benzer would name the "morphogenetic furrow". While it is too late to hear from August Weismann, it is a particular pleasure to be able to include a chapter in this Volume from the first author of that 1976 paper: Don Ready! These past 25 years have seen an astonishing explosion in the study of the fly eye (see Fig.

Author: Simón Carlos
Publisher:
ISBN: 9783036511528
Category :
Languages : en
Pages : 176

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Book Description
Dear Colleagues, The science of human genetics has advanced at an exponential pace since the double-helix structure of DNA was identified in 1953. Within only 25 years of that discovery, the first gene was sequenced. Subsequent efforts in the span of a few decades have brought advanced next-generation sequencing and new tools for genome editing, allowing scientists to write and rewrite the code of life. We are now realizing that genetics represents yet another system of information technology that follows Moore's law, stating that computer processing power roughly doubles every two years. Importantly, with such rapid and sophisticated advancements, any tools or studies applicable to adult genetics can now also be applied to embryos. Genetic disorders affect 1% of live births and are responsible for 20% of pediatric hospitalizations and 20% of infant mortality. Many disorders are caused by recessive or X-linked genetic mutations carried by 85% of humans. Because assisted reproduction has armed us with technologies like in vitro fertilization that provide access to human embryos, we began to screen some genetic diseases simply by selecting sex. The first live births following preimplantation genetic testing (PGT) to identify sex in X-linked disease were reported by Alan Handyside in 1990. This groundbreaking work used the identification of male embryos and selective transfer of unaffected normal or carrier females as proof-of-concept to avoid genetic diseases, paving the way to extend the concept to PGT for monogenic diseases (PGT-M), including Mendelian single-gene defects (autosomal dominant/recessive, X-linked dominant/recessive), severe childhood lethality or early-onset disease, cancer predisposition, and HLA typing for histocompatible cord-blood stem cells' transplantation. Later, we moved onto the identification and selection of euploid embryos by analysing all 23 pairs of chromosomes in 4-8 cells from the trophectoderm, called PGT for aneuploidy (PGT-A). PGT-A currently leverages next-generation sequencing technologies to uncover meiotic- and mitotic-origin aneuploidies affecting whole chromosomes, as well as duplications/deletions of small chromosome regions. A step forward was the use of structural chromosome rearrangements (PGT-SR) to identify Robertsonian and reciprocal translocations, inversions, and balanced vs. unbalanced rearrangements. Another advancement came with PGT for polygenic risk scoring (PGT-P). This technique takes us from learning how to read simple words to starting to understand poetry (i.e., evolving from PGT-M/A/SR to PGT-P for multifactorial, polygenic risk prediction). Common multifactorial diseases like diabetes, coronary heart disease, and cancer are caused by a combination of environmental, lifestyle, and genetic factors; risk scores are now being generated to predict the likelihood of such complex, later-life diseases in embryos. Moreover, we are moving from embryo selection to intervention because the genetic code is not only readable, but also re-writeable. Indeed, gene editing is now possible using tools like CRISPR/Cas9, which are applicable to all species, including human embryos. In this Special Issue, we invite reviews, primers, and original research papers that contribute to our understanding of human embryo genetics. Specifically, we would like to compile the current knowledge in PGT for monogenic diseases (PGT-M), PGT for aneuploidy (PGT-A) including mosaicism, PGT for polygenic risk scoring (PGT-P), and gene editing in human embryos. Manuscripts can target both basic science as well as the clinical impact of embryogenetics in reproductive medicine, maternal-fetal medicine, and pediatrics. We look forward to your submissions

Author: OpenStax
Publisher:
ISBN: 9781680920451
Category : Science
Languages : en
Pages : 622

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Book Description
University Physics is a three-volume collection that meets the scope and sequence requirements for two- and three-semester calculus-based physics courses. Volume 1 covers mechanics, sound, oscillations, and waves. Volume 2 covers thermodynamics, electricity and magnetism, and Volume 3 covers optics and modern physics. This textbook emphasizes connections between between theory and application, making physics concepts interesting and accessible to students while maintaining the mathematical rigor inherent in the subject. Frequent, strong examples focus on how to approach a problem, how to work with the equations, and how to check and generalize the result. The text and images in this textbook are grayscale.

Author: Lindsay Biga
Publisher:
ISBN: 9781955101158
Category :
Languages : en
Pages :

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Book Description
A version of the OpenStax text

Author:
Publisher: Createspace Independent Publishing Platform
ISBN: 9781448638826
Category : Eye
Languages : en
Pages : 0

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Book Description
OphthoBook is the printed version of the amazing OphthoBook.com online book and video series. The combination of this text, along with the online video lectures, creates the most informative and easy-to-understand ophthalmology review ever written. It is geared toward medical students, optometry students, and non-ophthalmologists who want to learn more about the eye without getting bogged down with mindless detail. The book is broken down into ten chapters: 1. Eye History 2. Anatomy 3. Glaucoma 4. Retina 5. Infection 6. Neuroophthalmology 7. Pediatric Ophthalmology 8. Trauma 9. Optics 10. Lens and Cataract Each chapter also includes "pimp questions" you might be asked in a clinic. Also, an entire chapter of ophthalmology board-review questions, flashcards, and eye abbreviations. Perhaps most useful, each chapter corresponds to the 20-minute video lectures viewable at OphthoBook.com. And lots of fun cartoons!