Retinal Prosthesis
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Retinal Prosthesis
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Author : Mark S. Humayun
language : en
Publisher: Springer
Release Date : 2018-01-17
Retinal Prosthesis written by Mark S. Humayun and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-17 with Medical categories.
Intended as a useful and practical guide primarily oriented toward ophthalmic practitioners involved in retinal prosthesis implantation and post-operative visual rehabilitation, this book focuses on the Argus II Retinal Prosthesis and its revolutionary incorporation into the practice. The reader will get an update on patient selection, expected visual outcomes, surgical implantation techniques, and post-operative visual rehabilitation. Retinal Prosthesis - A Clinical Guide to Successful Implementation is written in a clear and concise manner and includes diagrams and high quality photographs to demonstrate best practices in surgical techniques and desired outcomes. Covering topics such as history of retinal prostheses, bioengineering considerations, clinical therapies, and other therapies and future directions, this book is written for practicing ophthalmologists, residents, and medical students interested in retinal implants.
Visual Prosthesis
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Author : Jeffrey N. Weiss
language : en
Publisher: Springer Nature
Release Date : 2022-08-22
Visual Prosthesis written by Jeffrey N. Weiss and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-22 with Medical categories.
For the millions of people with untreatable blindness the thought of a visual prosthesis that would allow them to live a normal life has always been a distant hope. There have been intermittent bright spots that periodically fan that hope such as when Dr. Dobelle’s visual prosthesis patient drove a car in an empty parking lot. This book will serve as an update of the work in developing a visual prosthesis. Chapters discuss the physiologic and engineering issues, alternative strategies, and patents, as well as recent research studies. Visual Prosthesis - A Concise Guide is a must-have resource for ophthalmologists, neurologists, engineers and physicists.
Visual Prosthesis And Ophthalmic Devices
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Author : Joyce Tombran-Tink
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-08
Visual Prosthesis And Ophthalmic Devices written by Joyce Tombran-Tink and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-08 with Medical categories.
This volume details the latest technology in treating eye injuries and infections. It provides insight into the most up-to-date and established treatment options. The volume focuses on what can currently be achieved with a variety of ocular prostheses as well as what the future holds. Coverage reviews issues such as intraocular lens implants, biocompatibility of materials, retinal implants, testing models, and software designs.
Artificial Vision
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Author : Veit Peter Gabel
language : en
Publisher: Springer
Release Date : 2016-11-24
Artificial Vision written by Veit Peter Gabel and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-24 with Medical categories.
This book presents and analyses the most recent research dedicated to restoring vision in individuals who are severely impaired or blind from retinal disease or injury. It is written by the leading groups worldwide who are at the forefront of developing artificial vision. The book begins by discussing the difficulties in comparing and interpreting functional results in the area of very low vision and the principal prospects and limitations of spatial resolution with artificial tools. Further on, chapters are included by researchers who stimulate the surface or the pigment epithelial side of the retina and by experts who work on stimulating the optic nerve, the lateral geniculate body and the superficial layers of the visual cortex. Artificial Vision: A Clinical Guide collates the most recent work of key artificial vision research groups to explain in a comparable and stringent order their varying approaches, the clinical or preclinical outcomes and their achievements during the last years. Senior ophthalmic fellows and academic practitioners will find this guide to be an indispensable resource for understanding the current status of artificial vision.
Visual Prosthetics
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Author : Gislin Dagnelie
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-02-19
Visual Prosthetics written by Gislin Dagnelie and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-02-19 with Technology & Engineering categories.
Visual Prosthetics provides an in-depth analysis of the principles of operation, current state, anticipated developments, and functional aspects of visual prosthetics restoring sight to visually impaired individuals. This volume uniquely describes the human visual system in health and disease in a pedagogical and didactic manner, fitting to professionals and researchers with a bioengineering background. Readers will find a balanced overview of electrical, molecular chemical and synthetic chromophore stimulation, in addition to the biophysics and psychological aspects of vision restoration. Unlike competitive texts, this introduction also includes the need and methods for functional evaluation and rehabilitation. Professionals in the field of biomedical engineering and graduate and postgraduate researchers will find Visual Prosthetics a valuable reference.
Retinal Implant 26 Success Secrets 26 Most Asked Questions On Retinal Implant What You Need To Know
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Author : Tammy Forbes
language : en
Publisher: Emereo Publishing
Release Date : 2014-02
Retinal Implant 26 Success Secrets 26 Most Asked Questions On Retinal Implant What You Need To Know written by Tammy Forbes and has been published by Emereo Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02 with Business & Economics categories.
A retinal implant is a Biomedical implant technics at the moment being elaborated by a numeral of undisclosed businesses and study establishments international. The implant is denoted to partly reinstate practical apparition to folks whoever have missed their apparition expected to degenerative eye states such like retinitis pigmentosa either macular deterioration. There has never been a Retinal implant Guide like this. It contains 26 answers, much more than you can imagine; comprehensive answers and extensive details and references, with insights that have never before been offered in print. Get the information you need--fast! This all-embracing guide offers a thorough view of key knowledge and detailed insight. This Guide introduces what you want to know about Retinal implant. A quick look inside of some of the subjects covered: Neurostimulation - Visual Prosthesis, Visual prosthetic - Photovoltaic Retinal Prosthesis, Retinal implant - Advantages, Neurostimulation - Stimulation Microelectrode Technologies, Retinal implant - Design Principles, Neurochip - Applications, Retinitis pigmentosa - Research, Retinal implant - Clinical Studies, Retinal implant - Types of Retinal Implants, Retinal implant - Candidates, Retinal implant - Spatial Resolution, Retinal implant - Disadvantages, Retinitis pigmentosa - Treatment, Foundation Fighting Blindness - Research and Clinical Trials, Argus Retinal Prosthesis - Design, Visual prosthesis - Photovoltaic Retinal Prosthesis, Cyborg - In medicine, Brain-computer interface - BCI versus neuroprosthetics, Visual prosthetic - Tuuml;bingen MPDA Project Alpha IMS, Retinal implant - History, and much more...
Photogenetic Retinal Prosthesis
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Author :
language : en
Publisher:
Release Date : 2010
Photogenetic Retinal Prosthesis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Using Simulation To Enhance Design And Application Of Retinal Prostheses
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Author : George Nicholas Scarlatis
language : en
Publisher:
Release Date : 2006
Using Simulation To Enhance Design And Application Of Retinal Prostheses written by George Nicholas Scarlatis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
The Architecture Design And Electromagnetic And Thermal Modeling Of A Retinal Prosthesis To Benefit The Visually Impaired
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Author :
language : en
Publisher:
Release Date : 2003
The Architecture Design And Electromagnetic And Thermal Modeling Of A Retinal Prosthesis To Benefit The Visually Impaired written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
This dissertation describes the design and study of a retinal prosthesis for individuals who have suffered loss of vision from degeneration of the outer retina. Retinitis pigmentosa and age-related macular degeneration lead to blindness through progressive loss of retinal photoreceptors. Experiments reveal that direct electrical stimulation of remaining ganglion cells in degenerate retina elicits visual percepts in blind RP/AMD patients. This motivates research toward the development of a retinal prosthesis system involving an implantable stimulator microchip to compensate the defective photoreceptors. Many prostheses do not reside fully inside the body, but consist of an implantable stimulation unit and an external unit. This underscores a need in the retinal prosthesis to deliver power and support high-speed bi-directional communication with the implant wirelessly. The current progress in the types of non-invasive connections to bio-implants is reviewed as it relates to the power and communication needs of prostheses. The extraocular unit is a hardware-reconfigurable system based on FPGA technology which produces real-time instructions for the implantable micro-stimulator IC. The current retinal stimulator IC is designed to provide electrical stimulation to the remaining ganglion cells of post-degenerative retina. Also described is a design technique to significantly reduce the on-chip area of the stimulus circuits. This yields more output channels per chip area, thereby raising the stimulation resolution. Temperature elevation in the eye and head tissues associated with the retinal prosthesis is studied. A high resolution 2D human head and eye model is developed at 0.25mm spatial resolution with associated dielectric and thermal properties suitable for numerical simulations. The Finite Difference Time domain method (FDTD) with material independent absorbing boundary conditions is used to predict the specific absorption rate (SAR) induced from electromagnetic expo.
Artificial Sight
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Author : Mark S. Humayun
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-09-30
Artificial Sight written by Mark S. Humayun and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-30 with Science categories.
This book describes advances in implantable neural stimulation technology to restore partial sight to people who are blind from retinal degnerative diseases such as age-related macular degeneration and retintis pigmentosa. Many scientific, engineering, and surgical challenges must be surmounted before widespread practical applications can be realized. The book summarizes the state of research and clinical practice in the field and reviews the current ideas and approaches of its leading researchers and practitioners.