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Factors Affecting Visual Acuity
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Download or read book Webvision written by Helga Kolb and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ocular and Visual Physiology by : Simon E. Skalicky
Download or read book Ocular and Visual Physiology written by Simon E. Skalicky and published by Springer. This book was released on 2015-11-03 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book meets the growing demand among ophthalmologists, optometrists and orthoptists, in training and in practice, as well as visual neuroscientists, to have a clear, succinct and well-written textbook to objectively cover the subject of ocular and visual physiology. Ocular and visual physiology is a core knowledge component for these disciplines, and yet is often difficult to understand. However, this book clearly conveys the simple elegance of the relationship between structure and function that is the hallmark of understanding the physiology of the eye and visual system. Ocular and Visual Physiology – Clinical Application is essential reading for any one hoping to have a clear understanding of the subject. Students will find it a great resource to pass their exams. Each of the chapters has been independently reviewed and edited by an expert in the field with a clinical or visual scientific academic background. The text is based on the latest publications in peer-reviewed journals that are closely referenced within the body of the text.
Book Synopsis Visual Impairments by : National Research Council
Download or read book Visual Impairments written by National Research Council and published by National Academies Press. This book was released on 2002-08-17 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: When children and adults apply for disability benefits and claim that a visual impairment has limited their ability to function, the U.S. Social Security Administration (SSA) is required to determine their eligibility. To ensure that these determinations are made fairly and consistently, SSA has developed criteria for eligibility and a process for assessing each claimant against the criteria. Visual Impairments: Determining Eligibility for Social Security Benefits examines SSA's methods of determining disability for people with visual impairments, recommends changes that could be made now to improve the process and the outcomes, and identifies research needed to develop improved methods for the future. The report assesses tests of visual function, including visual acuity and visual fields whether visual impairments could be measured directly through visual task performance or other means of assessing disability. These other means include job analysis databases, which include information on the importance of vision to job tasks or skills, and measures of health-related quality of life, which take a person-centered approach to assessing visual function testing of infants and children, which differs in important ways from standard adult tests.
Author :National Academies of Sciences, Engineering, and Medicine Publisher :National Academies Press ISBN 13 :0309439981 Total Pages :587 pages Book Rating :4.3/5 (94 download)
Book Synopsis Making Eye Health a Population Health Imperative by : National Academies of Sciences, Engineering, and Medicine
Download or read book Making Eye Health a Population Health Imperative written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2017-01-15 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to see deeply affects how human beings perceive and interpret the world around them. For most people, eyesight is part of everyday communication, social activities, educational and professional pursuits, the care of others, and the maintenance of personal health, independence, and mobility. Functioning eyes and vision system can reduce an adult's risk of chronic health conditions, death, falls and injuries, social isolation, depression, and other psychological problems. In children, properly maintained eye and vision health contributes to a child's social development, academic achievement, and better health across the lifespan. The public generally recognizes its reliance on sight and fears its loss, but emphasis on eye and vision health, in general, has not been integrated into daily life to the same extent as other health promotion activities, such as teeth brushing; hand washing; physical and mental exercise; and various injury prevention behaviors. A larger population health approach is needed to engage a wide range of stakeholders in coordinated efforts that can sustain the scope of behavior change. The shaping of socioeconomic environments can eventually lead to new social norms that promote eye and vision health. Making Eye Health a Population Health Imperative: Vision for Tomorrow proposes a new population-centered framework to guide action and coordination among various, and sometimes competing, stakeholders in pursuit of improved eye and vision health and health equity in the United States. Building on the momentum of previous public health efforts, this report also introduces a model for action that highlights different levels of prevention activities across a range of stakeholders and provides specific examples of how population health strategies can be translated into cohesive areas for action at federal, state, and local levels.
Book Synopsis Visual Psychophysics by : Dorothea Jameson
Download or read book Visual Psychophysics written by Dorothea Jameson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume on Visual Psychophysics documents the current status of research aimed toward understanding the intricacies of the visual mechanism and its laws of operation in intact human perceivers. As can be seen from the list of contributors, the problems of vision engage the interest and experimental ingenuity of investi gators from a variety of disciplines. Thus we find authors affiliated with depart ments of biology, medical and physiological physics, ophthalmology, physics, physiology and anatomy, psychology, laboratories of neurophysiology, medical clinics, schools of optometry, visual and othcr types of research institutes. A continuing interplay between psychophysical studies and physiological work is everywhere evident. As more information about the physiological basis of vision accumulates, and new studies and analyses of receptor photochemistry and the neurophysiology of retina and brain appear, psychophysical studies of the intact organism become more sharply focused, sometimes more complex, and often more specialized. Technological advances have increased the variety and precision of the stimulus controls, and advances in measurement techniques have reopened old problems and stimulated the investigation of new ones. In some cases, new concepts are being drawn in to help further our under standing of the laws by which the visual mechanism operates; in other cases, ideas enunciated long ago have been reevaluated, developed more fully, and reified in terms of converging evidence from both psychophysical experiments and unit recordings from visual cells.
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.
Book Synopsis Pathologic Myopia by : Richard F. Spaide
Download or read book Pathologic Myopia written by Richard F. Spaide and published by Springer Nature. This book was released on 2021-07-28 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pathologic Myopia is a major cause of severe vision loss worldwide. The mechanisms for vision loss include cataract, glaucoma, retinal detachment, and above all, myopic maculopathy within the posterior staphyloma. The first edition of Pathologic Myopia is one of the only current books to specifically address this disease and discusses recent developments in imaging technologies and various approaches to treatments, such as laser photocoagulation, photodynamic therapy, pharmaco-therapeutic injections in the vitreous, and surgery. This new edition is a timely update to the standard reference in the field, with new chapters on advanced refractive error correction, genetics, developing a classification system, and special surgical approaches for pathologic myopia. Complete with even more high-quality color images and informative tables, this book is written and edited by leaders in the field and is geared towards ophthalmologists, including residents and fellows in training, glaucoma and cataract specialists, and vitreoretinal macula experts.
Book Synopsis Clinical Procedures in Primary Eye Care by : David B. Elliott
Download or read book Clinical Procedures in Primary Eye Care written by David B. Elliott and published by Butterworth-Heinemann. This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work describes, in a step-by-step way, how to perform the most commonly-used procedures in the primary eye care setting. With its practical approach, it demystifies the subject and is a useful manual for all students and practitioners requiring an introduction to diagnostic and treatment procedures.
Book Synopsis Clinical Ocular Toxicology by : Frederick T. Fraunfelder
Download or read book Clinical Ocular Toxicology written by Frederick T. Fraunfelder and published by Saunders. This book was released on 2008 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by international authorities in ocular toxicology, including the Founder of The National Registry of Drug-Induced Side Effects and its current Director, this essential resource provides the clinically relevant information you need to effectively diagnose and manage herbal, chemical, and drug-related ocular problems. Comprehensive coverage of all drugs' generic and trade drug names, primary uses, ocular and systemic side effects, and clinical significance make this book - like its best-selling predecessor, Drug-Induced Ocular Side Effects - the ideal reference for quick, on-the-spot consultation. Leaders in the field provide need-to-know information on all aspects of ocular toxicology-all in one concise reference. Data from the National Registry of Drug Induced Ocular Side-Effects (Casey Eye Institute, Portland, OR) and the World Health Organization (Uppsala, Sweden) help you recognize and avoid drug-induced ocular side effects. A highly templated format makes retrieval of essential knowledge quick and easy. A wealth of full-color photographs provide vivid, visual diagnostic guidance. The latest information on approved medications helps you stay up to date and provide state-of-the-art care. Extensive coverage of principles of therapy, ocular drug delivery, methods to evaluate drug-induced visual side effects, and the role of electrophysiology and psychophysics gives you the knowledge you need to manage any challenge in ocular toxicology Authoritative guidance on ocular drugs and their use in pregnancy helps you safely manage the unique needs of these patients. The inclusion of the WHO classification system helps you determine whether a particular side effect is certain, probable, or likely to occur.
Download or read book Updates on Myopia written by Tien Y Wong and published by . This book was released on 2020-10-08 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY 4.0 license. This open access book discusses basic clinical concepts of myopia, prevention of progression and surgical treatments for myopia and pathological myopia. It also summarises the latest evidence and best practices for managing myopia, high myopia and its complications. Written by leading experts, the book addresses clinical diagnosis and interpretation of imaging modalities, and various complications of myopia such as glaucoma, choroidal neovascularization, retinal degeneration and cataracts. It is a valuable comprehensive resource for general and sub-specialist ophthalmologists as well as residents and ophthalmologists in training.; This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Book Synopsis Human Factors in Air Transport by : Erik Seedhouse
Download or read book Human Factors in Air Transport written by Erik Seedhouse and published by Springer Nature. This book was released on 2019-08-28 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides students and the broader aviation community with a complete, accessible guide to the subject of human factors in aviation. It covers the history of the field before breaking down the physical and psychological factors, organizational levels, technology, training, and other pivotal components of a pilot and crew's routine work in the field. The information is organized into easy-to-digest chapters with summaries and exercises based on key concepts covered, and it is supported by more than 100 full-color illustrations and photographs. All knowledge of human factors required in aviation university studies is conveyed in a concise and casual manner, through the use of helpful margin notes and anecdotes that appear throughout the text.
Book Synopsis Age-Related Changes of the Human Eye by : Carlo Cavallotti
Download or read book Age-Related Changes of the Human Eye written by Carlo Cavallotti and published by Springer Science & Business Media. This book was released on 2008-05-31 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aging research on the human eyes crosses all areas of ophthalmology and also relies upon biological, morphological, physiological, and biochemical tools for its study. This book reviews all aspects of human eye aging. In addition to descriptions of age-related changes in almost all the structures of the human eyes, the authors also include interesting accounts of personal experiments and data. It provides an extensive panorama of what happens during aging in the eye.
Book Synopsis Diagnostic Procedures in Ophthalmology by : HV Nema
Download or read book Diagnostic Procedures in Ophthalmology written by HV Nema and published by JP Medical Ltd. This book was released on 2014-05-30 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: New edition presenting latest developments in ophthalmic diagnostic procedures. Fully revised and many new chapters. Previous edition published in 2009.
Book Synopsis Emergent Techniques for Assessment of Visual Performance by : National Research Council
Download or read book Emergent Techniques for Assessment of Visual Performance written by National Research Council and published by National Academies Press. This book was released on 1985-01-01 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent vision research has led to the emergence of new techniques that offer exciting potential for a more complete assessment of vision in clinical, industrial, and military settings. Emergent Techniques for Assessment of Visual Performance examines four areas of vision testing that offer potential for improved assessment of visual capability including: contrast sensitivity function, dark-focus of accommodation, dynamic visual acuity and dynamic depth tracking, and ambient and focal vision. In contrast to studies of accepted practices, this report focuses on emerging techniques that could help determine whether people have the vision necessary to do their jobs. In addition to examining some of these emerging techniques, the report identifies their usefulness in predicting performance on other visual and visual-motor tasks, and makes recommendations for future research. Emergent Techniques for Assessment of Visual Performance provides summary recommendations for research that will have significant value and policy implications for the next 5 to 10 years. The content and conclusions of this report can serve as a useful resource for those responsible for screening industrial and military visual function.
Book Synopsis Clinical Procedures for Ocular Examination, Third Edition by : Nancy B. Carlson
Download or read book Clinical Procedures for Ocular Examination, Third Edition written by Nancy B. Carlson and published by McGraw Hill Professional. This book was released on 2004 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clinical Procedures for Ocular Examination, Third Edition, is a must-have resource for students and practitioners involved in eye care. This concise handbook provides detailed, step-by-step procedures for performing each examination technique. Each technique is then described by purpose, indication, equipment, set-up, recording, and examples—all accompanied by updated graphics and photographs. The latest technologies and techniques in the field of vision care are covered in this comprehensive guide. Features of the Third Edition *Step-by-step procedures for each exam procedure *Convenient summaries of practical how’s and why’s, without distracting theory *New procedures include corneal topography, pharmacological pupil testing, photostress test, and more *Expanded tables, such as cranial nerve screening and refraction flow chart *Updated references and norms
Book Synopsis Basic Flight Physiology by : Richard O. Reinhart
Download or read book Basic Flight Physiology written by Richard O. Reinhart and published by McGraw Hill Professional. This book was released on 1996 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understanding of flight physiology is crucial to aviation safety. Although strides have been made in understanding the human factor, 70 per cent of flight accidents remain linked to pilot error. This text provides potentially accident-preventing information on how to anticipate and compensate for the physiological effects unique to flying.
Book Synopsis Borish's Clinical Refraction - E-Book by : William J. Benjamin
Download or read book Borish's Clinical Refraction - E-Book written by William J. Benjamin and published by Elsevier Health Sciences. This book was released on 2006-10-13 with total page 2711 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now updated and expanded to cover the latest technologies, this full-color text on clinical refraction uses an easy-to-read format to give optometry students and practitioners all the important information they need. Also covers a wide range of other aspects of the eye exam, including anterior and posterior segment evaluations, contact lens, ocular pharmacology, and visual field analysis. Four new chapters cover wavefront-guided refraction, optical correction with refractive surgeries, prosthetic devices, and patients with ocular pathology. - Offer precise, step-by-step how-to's for performing all of the most effective refractive techniques. - Presents individualized refractive approaches for the full range of patients, including special patient populations. - Contriubtors are internationally recognized, leading authorities in the field. - New full-color design with full-color images throughout. - Completely updated and expanded to include current technologies. - A new chapter on Optical Correction with Refractive Surgeries, including keratoplasty, traditional refractive surgeries (e.g. LASIK and PRK), crystalline lens extraction with and without pseudophakia, the new presbyopic surgery, etc. - A new chapter on Wavefront Guided Refraction provides information on the advantages and limitations the Hartmann-Shack Method for objective refraction plus aberrometry and the refraction and the use of in the correction of the eye with spectacles, contact lenses, and refractive surgery. - A new chapter on Patients with Ocular Pathology reflects the most current knowledge of patients with ocular pathologies. - Provides information on Optical Correction with Prosthetic Devices, including corneal onlays, stromal implants, phakic intraocular lenses, etc. - Includes new chapters and/or discussions on such topics as: Aberrations of the Eye, Refractive Consequences of Eye Pathology, Diagnosis and Treatment of Dry Eye, Diagnosis of Pathology of the Anterior Segment, Diagnosis of Glaucoma, and Diagnosis of Pathology of the Posterior Segment. - Visual Acuity chapter expanded to include the effect of refractive error on visual acuity and statistics on how much of a change in visual acuity is significant. - Objective Refraction, Corneal Topography, and Visual Field Analysis chapters include the addition of new electro-optical and computer techniques and equipment. - Chapters on Multifocal Spectacle Lenses and Contact Lenses now cover newer progressive addition lenses and contact lenses that are now on the market. - Electrodiagnosis chapter revised to take a more clinical approach.