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The Mechanism Of Accommodation And Presbyopia
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Book Synopsis The Mechanism of Accommodation and Presbyopia by : Ronald A. Schachar
Download or read book The Mechanism of Accommodation and Presbyopia written by Ronald A. Schachar and published by Kugler Publications. This book was released on 2012 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human eye is a remarkable optical device. In less than a second, a young human eye can accommodate from infinity to closer than 10 cm. Accommodation occurs with minimal effort and can be rapidly repeated with no apparent evidence of fatigue. Unfortunately, maximum accommodation decreases throughout life and by the fifth decade leads to presbyopia, the inability to read at a normal working distance. Interestingly, the mechanism by which the human eye is able to adjust focus has been debated for over 300 years. No previous theory has been put forth that can account for all the physical chang.
Download or read book Presbyopia written by Lawrence Stark and published by Butterworth-Heinemann. This book was released on 1987 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Bakerian Lecture. on the Mechanism of the Eye by : Thomas Young
Download or read book The Bakerian Lecture. on the Mechanism of the Eye written by Thomas Young and published by Franklin Classics. This book was released on 2018-10-06 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Download or read book Presbyopia written by Ronald A. Schachar and published by Kugler Publications. This book was released on 2001 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides an introduction to the causes of presbyopia and the surgical techniques developed to correct this disfunction of the eye.
Book Synopsis Multifocal Intraocular Lenses by : Jorge L. Alió
Download or read book Multifocal Intraocular Lenses written by Jorge L. Alió and published by Springer Nature. This book was released on 2019-08-30 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive 2nd edition will build on the highly successful first edition, providing an updated global perspective of the fundamentals of multifocal intraocular lenses. The varying outcomes, limitations, and the neuroadaptation process necessary for an adequate clinical success are thoroughly discussed, along with an overview of the different types of multifocal lenses, including the recently developed extended depth of focus lenses. Multifocal Intraocular Lenses: The Art and the Practice, 2nd edition opens with an introduction that will delve into current technological offerings for the correction of pseudophakic presbyopia, as well as the opportunity for refractive lens exchange in advanced presbyopic ages and the opportunity to use these lenses. The first section will include the historical background and clinical indications, while section two addresses the varying types and models of lenses currently available, including important clinical and technological highlights. Section three and four will follow, and provide an extended look at the Zeiss and Alcon Family Multifocal IOL’s. Section five will delve into extended depth of field lenses, and will contain an introduction about the concept, different models and the evidence available about their outcomes. Section six concludes the book, closely examining accommodative intraocular lenses, and a full update will be provided on these lenses, the failures of the past and the hopes for the future. Multifocal Intraocular Lenses: The Art and the Practice, 2nd edition is a thorough, resource for the practical ophthalmologist and ophthalmic surgeon interested in learning more about intraocular lenses, identifying the best technologies and lenses for the benefit of their patients.
Download or read book Presbyopia written by Alain-Nicolas Gilg and published by JP Medical Ltd. This book was released on 2015-08-31 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presbyopia is a condition associated with aging, which makes it increasingly difficult for the eyes to focus on near objects. Presbyopia: Therapies and Further Prospects is a concise review of treatments and possible developments in the treatment of this condition. Divided into four chapters, the book covers the principles of correction with glasses and contact lenses, as well as ocular surgeries. Surgical procedures such as conductive keratoplasty and LASIK are included, as well as accommodative (focus) restoration, such as intraocular lenses (IOLs). Presbyopia: Therapies and Further Prospects has been written by Alain-Nicolas Gilg, medical director at the Wilson Eye Centre in Lyon, France – developer of clinical applications for contact lenses and a microintraocular device for presbyopic surgery. Nearly 100 full colour images and illustrations enhance this useful guide, which will keep ophthalmologists and optometrists up to date with the latest advances in the field. Key Points Concise review of treatments for presbyopia Written by Alain-Nicolas Gilg, medical director at the Wilson Eye Centre, Lyon, France 98 full colour images and illustrations
Book Synopsis Hyperopia and Presbyopia by : Kazuo Tsubota
Download or read book Hyperopia and Presbyopia written by Kazuo Tsubota and published by Taylor & Francis US. This book was released on 2003-05-16 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examining established and emerging treatments for the correction of hyperopia and presbyopia, this reference offers guidance on technologies such as thermal or conductive keratoplasty, corneal implants, laser scleral relaxation, scleral expansion rings, intraocular lenses, and LASIK modifications.
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 Rigidity, Biomechanics and Hydrodynamics of the Eye by : Ioannis Pallikaris
Download or read book Ocular Rigidity, Biomechanics and Hydrodynamics of the Eye written by Ioannis Pallikaris and published by Springer Nature. This book was released on 2021-05-26 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the concept of ocular rigidity, the biomechanical properties and hydrodynamics of the human eye. The basics of anatomy and physiology are explored and the relevant data for the clinician are emphasized throughout the book. The engineering aspects as well as the clinical interpretation are presented to provide context. Ocular Rigidity, Biomechanics and Hydrodynamics of the Eye summarises recent evidence on ocular rigidity, but also provides a complete presentation of the data so far. The authors have recently worked on ocular rigidity corneal and globe biomechanics and hydrodynamics and the new, up-to-date data on the subject are highlighted in each chapter. The aim is to provide the framework or the understanding of these parameters and to determine their relevance in health and disease. This book will be an essential read for all practicing ophthalmologists looking to gain a more in-depth understanding of this interesting area of research particularly in refractive surgery and glaucoma.
Book Synopsis Models of the Visual System by : George K. Hung
Download or read book Models of the Visual System written by George K. Hung and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 777 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some of the best vision scientists in the world in their respective fields have contributed to chapters in this book. They have expertise in a wide variety of fields, including bioengineering, basic and clinical visual science, medicine, neurophysiology, optometry, and psychology. Their combined efforts have resulted in a high quality book that covers modeling and quantitative analysis of optical, neurosensory, oculomotor, perceptual and clinical systems. It includes only those techniques and models that have such fundamentally strong physiological, control system, and perceptual bases that they will serve as foundations for models and analysis techniques in the future. The book is aimed first towards seniors and beginning graduate students in biomedical engineering, neurophysiology, optometry, and psychology, who will gain a broad understanding of quantitative analysis of the visual system. In addition, it has sufficient depth in each area to be useful as an updated reference and tutorial for graduate and post-doctoral students, as well as general vision scientists.
Book Synopsis Diagnosis and Management in Vision Care by : John F. Amos
Download or read book Diagnosis and Management in Vision Care written by John F. Amos and published by . This book was released on 1987 with total page 752 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 366 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 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 The Eye: A Very Short Introduction by : Michael F. Land
Download or read book The Eye: A Very Short Introduction written by Michael F. Land and published by OUP Oxford. This book was released on 2014-05-29 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The eye is one of the most remarkable achievements of evolution, and has evolved up to 40 times in different parts of the animal kingdom. In humans, vision is the most important sense, and much of the brain is given over to the processing of visual information. In this Very Short Introduction, Michael Land describes the evolution of vision and the variety of eyes found in both humans and animals. He explores the evolution of colour vision in primates and the workings of the human eye, to consider how that contributes to our visual ability. He explains how we see in three dimensions and the basic principles of visual perception, including our impressive capacity for pattern recognition and the ability of vision to guide action. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
Book Synopsis On the Anomalies of Accommodation and Refraction of the Eye by : Franciscus Cornelis Donders
Download or read book On the Anomalies of Accommodation and Refraction of the Eye written by Franciscus Cornelis Donders and published by . This book was released on 1864 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Bates Method for Better Eyesight Without Glasses by : William H. Bates
Download or read book The Bates Method for Better Eyesight Without Glasses written by William H. Bates and published by Holt Paperbacks. This book was released on 2011-04-01 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Better Eyesight Without Glasses is not only the definitive source for the classic Bates Method, it is in itself a remarkable phenomenon. Dr. William H. Bates’s revolutionary and entirely commonsensical theory of self-taught improved eyesight has helped hundreds of thousands of people to triumph over normal defects of vision without the mechanical aid of eyeglasses. If you think that your eyesight could be made better by natural methods, you are right. After years of experimentation, Dr. Bates came to the conclusion that many people who wore glasses did not need them. He gradually and carefully developed a simple group of exercises for improving the ability of the eyes themselves to see, eliminating the tension caused by poor visual habits that are the major cause of bad eyesight. These exercises are based on the firm belief that it is the natural function of the eyes to see clearly and that anyone, child or adult, can learn to see better without glasses.
Book Synopsis Presbyopia by : Ioannis G. Pallikaris
Download or read book Presbyopia written by Ioannis G. Pallikaris and published by Slack. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Takes a complex and common condition - the aging eye - and summarises the current views on the optics and physiology of accommodation and the age-dependant changes that lead to presbyopia. International experts discuss demographics and visual impairment due to the uncorrected condition, and provide an overview of clinical aspects of presbyopia, including refraction techniques and its management with contact lenses, spectacles and a range of surgical approaches.
