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The Optical Effects Of Tear Film Disruption
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Book Synopsis The Optical Effects of Tear Film Disruption by : Ronald Cogswell Tutt
Download or read book The Optical Effects of Tear Film Disruption written by Ronald Cogswell Tutt and published by . This book was released on 1999 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most anterior optical surface of the eye has the greatest refractive power. Therefore, the quality of this surface is critical to retinal image quality and visual performance. Most optical texts identify the cornea as the first optical surface but in fact it is the tear layer. A smooth tear layer is considered optically essential and superior to the microscopically irregular corneaZ epithelium. Unlike the other optical surfaces within the eye, the tear film can vary tremendously from second to second as tear' film changes occur between blinks. Although numerous studies have evaluated the change in tear film "quality" during periods of non-blinking little is know about the optical and visual effects resulting from changes in the tear film layer. The classic tear film models suggest that the precorneal tear film is composed of three layers, the superficial lipid layer derived from the meibomian glands, the middle aqueous layer provided by the major and minor lacrimal glands maintains ocular wetting, among other physiological effects, and the inner most layer overlies the corneaZ and conjunctival epithelial cells with mucous like material. Recent studies suggest that the tear film is composed of a mucin "gel" topped by a thin lipid film.
Book Synopsis Ocular Surface Disease: Cornea, Conjunctiva and Tear Film by : Edward J Holland
Download or read book Ocular Surface Disease: Cornea, Conjunctiva and Tear Film written by Edward J Holland and published by Elsevier Health Sciences. This book was released on 2013-05-17 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocular Surface Disease: Cornea, Conjunctiva and Tear Film incorporates current research and the latest management strategies as well as classification systems and treatment paradigms for all forms of ocular surface disease. This is the first comprehensive resource that helps you to meet ocular surface disease challenges effectively using today's best medical and surgical approaches. Get the complete, evidence-based guidance you need to provide optimal care for your patients with ocular surface disease. Implement the latest drug treatments and surgical interventions to provide better outcomes with fewer complications. Hone and expand your surgical skills by watching videos of leading experts performing advanced procedures including ocular surface transplantation techniques; amniotic membrane transplantation; pterygium surgery; lamellar keratoplasty (DALK) in ocular surface disease; and keratoprosthesis surgery. Visualize how to proceed by reviewing detailed, full-color images and consulting new classification systems and treatment paradigms for mild to severe forms of ocular surface disease. Take it with you anywhere! Access the full text, downloadable image library, video clips, and more online at expertconsult.com.
Book Synopsis Handbook of Nutrition, Diet, and the Eye by : Victor R Preedy
Download or read book Handbook of Nutrition, Diet, and the Eye written by Victor R Preedy and published by Academic Press. This book was released on 2019-06-11 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Nutrition, Diet, and the Eye, Second Edition, thoroughly addresses common features and etiological factors on how dietary and nutritional factors affect the eye. The ocular system is perhaps one of the least studied organs in diet and nutrition, yet the consequences of vision loss are devastating. There are a range of ocular defects that have either their origin in nutritional deficiencies/excess or have been shown to respond favorably to nutritional components. Featuring a new section on animal model studies where both the ocular problem and dietary remedies can be varied, there are also new chapters on dietary supplements. - Serves as a foundational collection for neuroscience, neurology and nutrition researchers, illustrating the importance of nutrition and diet in eye health and function - Provides a common language for readers to discuss how nutritional factors and related diseases and syndromes affect the eye - Features new chapters on infectious diseases of the eye where nutrition is a factor - Discusses animal model studies, dietary supplements, natural dietary extracts from around the world, and age-related changes in ocular health
Author :Commission on Behavioral and Social Sciences and Education Publisher : ISBN 13 :9780309590020 Total Pages : pages Book Rating :4.5/5 (9 download)
Book Synopsis Contact Lens Use Under Adverse Conditions: Applications in Military Aviation by : Commission on Behavioral and Social Sciences and Education
Download or read book Contact Lens Use Under Adverse Conditions: Applications in Military Aviation written by Commission on Behavioral and Social Sciences and Education and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Techniques in Ophthalmic Plastic Surgery by : Jeffrey A. Nerad, MD
Download or read book Techniques in Ophthalmic Plastic Surgery written by Jeffrey A. Nerad, MD and published by Elsevier Health Sciences. This book was released on 2009-11-11 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques in Ophthalmic Plastic Surgery is a richly illustrated, step-by-step guide to oculoplastic surgery, covering everything from the basics to the most recent advances. Jeffrey A. Nerad, MD provides a personal tutorial approach detailing both procedural and management aspects of practice. Includes the latest in cosmetic procedures and detailed photographs and surgical line drawings-most of which are in full color. This is the essential text for those learning oculoplastic surgery and will bring even the most experienced practitioner up to date with current practice and procedures. Develop a strong foundation in this complex field and apply surgical techniques to frequently encountered abnormalities and aesthetic facial enhancement. Keep this outstanding text close by for a fast, practical, and authoritative reference. Features more than 760 illustrations-over 700 in full color-from pre- and post-operative photographs to step-by-step surgical line drawings, that provide you with a nuanced visual understanding. Presents an expert's perspective on the most frequently performed oculoplastic surgical procedures for authoritative and trusted guidance. Provides the indications for the use of each procedure along with advice on the management of complications so you have a structured resource with both procedural and management information. Devotes an entire chapter to aesthetic surgery of the face providing extensive coverage of this important and rapidly developing area in oculoplastic surgery.
Book Synopsis Obstetric and Intrapartum Emergencies by : Edwin Chandraharan
Download or read book Obstetric and Intrapartum Emergencies written by Edwin Chandraharan and published by Cambridge University Press. This book was released on 2021-06-03 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global and national confidential inquiry reports show that 60 to 80% of maternal and neonatal morbidity and mortality are due to avoidable errors. This comprehensive and illustrated second edition offers a practical guide to the management of obstetric, medical, surgical, anaesthetic and newborn emergencies in addition to organisational and training issues. The book is divided conveniently into nine sections and updated throughout in line with modern research and practice. Several new chapters cover setting up skills and drills training in maternity services to reduce avoidable harm, managing obstetric emergencies during 'home births' and in low-risk midwifery units, and minimizing maternal and fetal morbidity in failed operative vaginal delivery. Each chapter includes a practical algorithm for quick reference, the scientific basis for proposed actions, a case-based practical exercise and useful learning tools such as 'Key Pearls' and 'Key Pitfalls'. An invaluable resource for obstetricians, neonatologists, midwives, medical students, anesthesiologists and the wider perinatal team.
Book Synopsis Clinical Diagnosis in Ophthalmology by : Jack J. Kanski
Download or read book Clinical Diagnosis in Ophthalmology written by Jack J. Kanski and published by Mosby. This book was released on 2006 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Clinical Diagnosis in Ophthalmology is designed to enhance your ability to correctly interpret clinical signs from the basis of diagnosis in ophthalmology."--BOOK JACKET.
Book Synopsis Kanski's Clinical Ophthalmology E-Book by : Jack J. Kanski
Download or read book Kanski's Clinical Ophthalmology E-Book written by Jack J. Kanski and published by Elsevier Health Sciences. This book was released on 2015-03-24 with total page 931 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kanski’s Clinical Ophthalmology: A Systematic Approach is the classic specialty text providing the perfect ophthalmology foundation for trainees through to experienced practitioners. The famous visually dynamic and succinct format enables easy comprehension and focused guidance in the diagnosis and management of ophthalmic disorders. Build the ultimate foundation in ophthalmology with this market-leading resource. Benefit from guidance on examination, imaging, and the recognition of systemic conditions associated with ocular disease. Completely revised by award-winning ophthalmic educator Brad Bowling, the eighth edition reflects the latest advances, making this an indispensable resource to enhance learning, aid exam preparation and guide clinical practice. Designed for rapid reference and efficient recall, the concise but comprehensive chapters use crisp targeted text, bulleted lists, tables, and visual aids to highlight salient points across all ophthalmology subspecialties. Features detailed updates on key evolving topics such as the spectrum of macular disease, with many new disorders added to this edition across a range of subspecialties. Increased emphasis on practical investigation and management. Includes 2,600 illustrations, images and artworks, with over 900 brand new for this edition, including ultra wide-field imaging, fundus autofluorescence, and high-resolution OCT. Consult this title on your favourite e-reader.
Book Synopsis Ocular Surface Disorders by : Jose M Benitez-del-Castillo
Download or read book Ocular Surface Disorders written by Jose M Benitez-del-Castillo and published by JP Medical Ltd. This book was released on 2013-11-04 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current knowledge of the epidemiology, clinical expression, pathophysiology and available medical and surgical therapy for ocular surface diseases, providing an invaluable text for ocular surface specialists, general ophthalmologists, optometrists and residents.
Book Synopsis Ophthalmology for the Primary Care Physician by : Jay H. Krachmer
Download or read book Ophthalmology for the Primary Care Physician written by Jay H. Krachmer and published by . This book was released on 1997 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by ophthalmologists and carefully reviewed by primary care consultants, this new reference provides the primary care physician with exactly the information needed to either diagnose an eye disorder or identify the signs and symptoms to refer the treatment to an ophthalmologist. The text begins with chapters on performing the general examination of the eye and differential diagnosis. Then each region of the eye is covered, first with a discussion of anatomy in order to define any abnormalities, followed by signs and symptoms of various disorders of that region. A treatment plan is then offered, or a recommendation to refer to an ophthalmologist. Hundreds of high-quality, color illustrations are used throughout to aid the reader in arriving at an accurate diagnosis. For ease of access, an easy-to-follow, bulleted format has been used throughout, designed to assist with quick recognition and diagnosis of ophthalmic disorders. Full-color illustrations provide an excellent diagnostic tool. Topics are organized by eye region and/or symptom recognition, further aiding the non-specialist in recognition, diagnosis, and treatment. Chapter authors have been paired with primary care consultants to ensure relevance to the needs of the primary care practitioner.
Book Synopsis Considerations in Contact Lens Use Under Adverse Conditions by : National Research Council
Download or read book Considerations in Contact Lens Use Under Adverse Conditions written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes current understanding of the scientific, clinical, and technical issues surrounding the use of contact lenses. It discusses the special occupational conditions experienced by military personnel, particularly in extreme environments, that give rise to the question of whether or not to use contact lenses. Experts in optometry, ophthalmology, visual psychophysics, and engineering describe recent developments in design and use; and representatives of the military services provide examples of actual situations in aerospace settings. Considerations in Contact Lens Use Under Adverse Conditions will be of particular interest to those involved in the design of contact lenses and those responsible for occupational safety and health matters in the private sector.
Book Synopsis Lacrimal Gland, Tear Film, and Dry Eye Syndromes by : David A. Sullivan
Download or read book Lacrimal Gland, Tear Film, and Dry Eye Syndromes written by David A. Sullivan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past decade a significant international research effort has been directed towards understanding the composition and regulation of the preocular tear film. This effort has been motivated by the recognition that the tear film plays an essential role in maintaining corneal and conjunctival integrity, protecting against microbial challenge and preserving visual acuity. In addition, research has been stimulated by the knowledge that alteration or deficiency of the tear film, which occurs in countless individuals throughout the world, may lead to desiccation of the ocular surface, ulceration and perforation of the cornea, an increased incidence of infectious disease, and potentially, pronounced visual disability and blindness. 7 To promote further progress in this field of vision research, the International Conference on the Lacrimal Gland, Tear Film and Dry Eye Syndromes: Basic Science and Clinical Relevance was held in the Southampton Princess Resort in Bermuda from November 14 to 17, 1992. This meeting was designed to assess critically the current knowledge and 'state of the art' research on the structure and function of lacrimal tissue and tears in both health and disease. The goal of this conference was to provide an international exchange of information that would be of value to basic scientists involved in eye research, to physicians in the ophthalmological community, and to pharmaceutical companies with an interest in the treatment of lacrimal gland, tear film or ocular surface disorders (e. g. Sjogren's syndrome).
Book Synopsis Contact Lens Complications by : Nathan Efron
Download or read book Contact Lens Complications written by Nathan Efron and published by . This book was released on 2004 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new 2nd edition of this practical manual has been completely updated and revised to reflect the most current knowledge, research findings, technological developments, and updates in contact lens materials. With its broad coverage and systematic approach, it provides an intuitive approach to understanding, diagnosing, and treating contact lens complications. This lavishly illustrated text is recognized as a definitive resource on contact lens for practitioners and students.
Book Synopsis Ocular Fluid Dynamics by : Giovanna Guidoboni
Download or read book Ocular Fluid Dynamics written by Giovanna Guidoboni and published by Springer Nature. This book was released on 2019-11-25 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters in this contributed volume showcase current theoretical approaches in the modeling of ocular fluid dynamics in health and disease. By including chapters written by experts from a variety of fields, this volume will help foster a genuinely collaborative spirit between clinical and research scientists. It vividly illustrates the advantages of clinical and experimental methods, data-driven modeling, and physically-based modeling, while also detailing the limitations of each approach. Blood, aqueous humor, vitreous humor, tear film, and cerebrospinal fluid each have a section dedicated to their anatomy and physiology, pathological conditions, imaging techniques, and mathematical modeling. Because each fluid receives a thorough analysis from experts in their respective fields, this volume stands out among the existing ophthalmology literature. Ocular Fluid Dynamics is ideal for current and future graduate students in applied mathematics and ophthalmology who wish to explore the field by investigating open questions, experimental technologies, and mathematical models. It will also be a valuable resource for researchers in mathematics, engineering, physics, computer science, chemistry, ophthalmology, and more.
Book Synopsis Anatomy ;Ocular physiology ;Biochemistry and genetics ;Pathology ;Microbiology ;Immunology ;Growth and senescence ;Optics ;Therapeutics ;Lasers and instrument technology ;Basic biostatistical and epidemiological terms by : Louise Bye
Download or read book Anatomy ;Ocular physiology ;Biochemistry and genetics ;Pathology ;Microbiology ;Immunology ;Growth and senescence ;Optics ;Therapeutics ;Lasers and instrument technology ;Basic biostatistical and epidemiological terms written by Louise Bye and published by OUP Oxford. This book was released on 2013-05-23 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: An indispensable and fully comprehensive textbook, this covers the basic sciences in ophthalmology and is the only book you need to pass the FRCOphth Part 1 exam.
Download or read book The Dry Eye written by Michael A. Lemp and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been considerable increase in the knowledge concern ing tear secretion, the ocular surface, and pathophysiologic con ditions leading to the dry eye. Much of this new knowledge is not widely appreciated. Although there have been proceedings of symposia published, there is no currently available book of suf ficient scope, yet reasonable length, which ties together aspects of this newly acquired knowledge. This textbook is designed to give the ophthalmic practitioner a comprehensive, yet concise, guide line concerning the diagnosis and treatment of the dry eye. We have been able to bring together leading researchers to accom plish the same. We wish to express our special thanks to the company Dr. Mann Pharma of Berlin without whose generous sponsorship we could not have completed our task. The sponsor ship, in bringing together the authors in planning, preparation, and realization of this text, is gratefully acknowledged. Washington/Ulm, March 1992 M. A. Lemp R. Marquardt Contents Introduction 1 Chapter 1 History of the Dry Eye J. Murube . . . . . 3 1 lntroduction 3 2 The Concept of the Dry Eye 5 3 The History of the Causes of the Dry Eye 6 4 The History of the Diagnosis of the Dry Eye 11 5 The History of the Treatment of the Dry Eye 15 6 The Social Response to the Dry Eye 19 References . . . . . . . . . . . . . . . . 19 Chapter 2 Functional Morphology of the Conjunctiva J. W. Rohen and E. Lütjen-Drecoll. With 20 Figures and 3 Tables . . . . . . . . . 35 1 Conjunctiva . . . . . . . .
Book Synopsis Visual ergonomics in the workplace by : Jeffrey Anshel
Download or read book Visual ergonomics in the workplace written by Jeffrey Anshel and published by CRC Press. This book was released on 2002-09-11 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This easy-to-read introduction to the role of the visual system in the workplace is designed to help many professional ergonomists and human resources professionals to appreciate more fully the relationship between good vision and the efficiency and safety of job performance. It is an accessible account which is illustrated with both low level draw
