An Analysis Of The Dc Component Of The Local Electroretinogram In The Intact Eye Of The Cat

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An Analysis of the D.c. Component of the Local Electroretinogram in the Intact Eye of the Cat

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Author : Roy Herbert Steinberg
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis An Analysis of the D.c. Component of the Local Electroretinogram in the Intact Eye of the Cat by : Roy Herbert Steinberg

Download or read book An Analysis of the D.c. Component of the Local Electroretinogram in the Intact Eye of the Cat written by Roy Herbert Steinberg and published by . This book was released on 1967 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: The local electroretinogram (LERG) was recorded with microelectrodes from the intact eye in response to focused spots and annuli delivered by a dual-beam ophthalmoscope. The d.c. component was readily isolated from the b-wave on the basis of a lower threshold, smaller summation area, and greater resistance to light adaptation, thereby supporting a hypothesis that separates these components. At high flash intensities the d.c. component increased in duration as its decay was delayed; a slowing in decay rate also occurred and an earlier off-response was revealed. These effects were influenced by flash duration and the level of light adaptation. The late receptor potential was also recorded from the area centralis after clamping the retinal circulation at the optic disk. At moderate levels of light adaptation it was isolated from the c-wave and exhibited a rapid decay-phase. The behavior of the late RP in response to increases in flash intensity and duration paralled the behavior of the d.c. component. (Author).

Reports

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Author : Naval School of Aviation Medicine (U.S.)
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (37 download)

Book Synopsis Reports by : Naval School of Aviation Medicine (U.S.)

Download or read book Reports written by Naval School of Aviation Medicine (U.S.) and published by . This book was released on 1967 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ganglion Cell Response Characteristics from the Area Centralis in the Intact Eye of the Cat

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Author : Roy Herbert Steinberg
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Ganglion Cell Response Characteristics from the Area Centralis in the Intact Eye of the Cat by : Roy Herbert Steinberg

Download or read book Ganglion Cell Response Characteristics from the Area Centralis in the Intact Eye of the Cat written by Roy Herbert Steinberg and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ganglion cell responses were recorded with microelectrodes from the intact eye to focused spots and annuli of light delivered by a dual-beam ophthalmoscope. Only concentrically organized circular receptive fields were analysed. Thresholds for optimal center and surround stimuli were approximately equal, as were the latencies of on-responses from the center and surround. With whole-field stimulation center-dominance was a function of light intensity. Off-responses and center-surround interaction were observed with brief flashes (5 msec, 10 msec). With increases of flash duration the duration of the on-response did not increase by the full increment of the flash until the flashes were 50 to 80 msec. At high-flash intensities the on-response extended into the off-period and the off-response weakened and disappeared; it occurred with both on-excitation and on-inhibition and for the responses of both center and surround. These intensity effects were also studied in an intracellular recording; at high intensities, the rate of repolarization of the postsynaptic potential decreased, and the latency of repolarization was delayed. (Author).

Government Reports Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Government Reports Index by :

Download or read book Government Reports Index written by and published by . This book was released on 1968 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research and Development Reports Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 1492 pages
Book Rating : 4.:/5 (319 download)

Book Synopsis U.S. Government Research and Development Reports Index by :

Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1968 with total page 1492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ophthalmic Literature

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Author :
Publisher :
ISBN 13 :
Total Pages : 822 pages
Book Rating : 4.3/5 (243 download)

Book Synopsis Ophthalmic Literature by :

Download or read book Ophthalmic Literature written by and published by . This book was released on 1969 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author Index to Psychological Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 914 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Author Index to Psychological Abstracts by :

Download or read book Author Index to Psychological Abstracts written by and published by . This book was released on 1964 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Retina

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Author : Stephen J. Ryan
Publisher : Elsevier Health Sciences
ISBN 13 : 1455707376
Total Pages : 2498 pages
Book Rating : 4.4/5 (557 download)

Book Synopsis Retina by : Stephen J. Ryan

Download or read book Retina written by Stephen J. Ryan and published by Elsevier Health Sciences. This book was released on 2013 with total page 2498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unequalled in scope, depth, and clinical precision, Retina, 5th Edition keeps you at the forefront of today's new technologies, surgical approaches, and diagnostic and therapeutic options for retinal diseases and disorders. Comprehensively updated to reflect everything you need to know regarding retinal diagnosis, treatment, development, structure, function, and pathophysiology, this monumental ophthalmology reference work equips you with expert answers to virtually any question you may face in practice. Benefit from the extensive knowledge and experience of esteemed editor Dr. Stephen Ryan, five expert co-editors, and a truly global perspective from 358 other world authorities across Europe, Asia, Australasia the Americas.Examine and evaluate the newest diagnostic technologies and approaches that are changing the management of retinal disease, including future technologies which will soon become the standard.Put the very latest scientific and genetic discoveries, diagnostic imaging methods, drug therapies, treatment recommendations, and surgical techniques to work in your practice.

Government Reports Annual Index

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Author :
Publisher :
ISBN 13 :
Total Pages : 804 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Government Reports Annual Index by :

Download or read book Government Reports Annual Index written by and published by . This book was released on 1968 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Adler's Physiology of the Eye

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Author : Leonard A Levin
Publisher : Elsevier Health Sciences
ISBN 13 : 0323057144
Total Pages : 810 pages
Book Rating : 4.3/5 (23 download)

Book Synopsis Adler's Physiology of the Eye by : Leonard A Levin

Download or read book Adler's Physiology of the Eye written by Leonard A Levin and published by Elsevier Health Sciences. This book was released on 2011-04-04 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drs. Paul L. Kaufman, Albert Alm, Leonard A Levin, Siv F. E. Nilsson, James Ver Hoeve, and Samuel Wu present the 11th Edition of the classic text Adler's Physiology of the Eye, updated to enhance your understanding of ocular function. This full-color, user-friendly edition captures the latest molecular, genetic, and biochemical discoveries and offers you unparalleled knowledge and insight into the physiology of the eye and its structures. A new organization by function, rather than anatomy, helps you make a stronger connection between physiological principles and clinical practice; and more than 1,000 great new full-color illustrations help clarify complex concepts. You can also access the complete contents online at www.expertconsult.com. Deepen your grasp of the physiological principles that underlie visual acuity, color vision, ocular circulation, the extraocular muscle, and much more. Improve your understanding of physiology by referring to this totally updated volume--organized by function, rather than anatomy--and make a stronger connection between physiological principles and clinical practice. Better visualize information with a new, revamped format that includes 1,000 illustrations presented in full-color to better clarify complex concepts and functions. Access the most recent molecular, genetic, and biochemical discoveries affecting eye function, and gain fresh perspectives from a new, international editorial team. Search the entire contents online and download all the illustrations at www.expertconsult.com.

Biological Abstracts

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Author :
Publisher :
ISBN 13 :
Total Pages : 1062 pages
Book Rating : 4.3/5 ( download)

Book Synopsis Biological Abstracts by :

Download or read book Biological Abstracts written by and published by . This book was released on 1962 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cumulated Index Medicus

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Publisher :
ISBN 13 :
Total Pages : 2252 pages
Book Rating : 4.3/5 ( download)

Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 1968 with total page 2252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bioelectronics Abstracts. V. [1]- ; 1956-61--

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Author :
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.0/5 ( download)

Book Synopsis Bioelectronics Abstracts. V. [1]- ; 1956-61-- by :

Download or read book Bioelectronics Abstracts. V. [1]- ; 1956-61-- written by and published by . This book was released on 1962 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ryan's Retina E-Book

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Author : Charles P. Wilkinson
Publisher : Elsevier Health Sciences
ISBN 13 : 0323401988
Total Pages : 2893 pages
Book Rating : 4.3/5 (234 download)

Book Synopsis Ryan's Retina E-Book by : Charles P. Wilkinson

Download or read book Ryan's Retina E-Book written by Charles P. Wilkinson and published by Elsevier Health Sciences. This book was released on 2017-04-17 with total page 2893 pages. Available in PDF, EPUB and Kindle. Book excerpt: The undisputed gold standard text in the field, Ryan's Retina is your award-winning choice for the most current, authoritative information on new technologies, surgical approaches, scientific advances and diagnostic and therapeutic options for retinal diseases and disorders. Packed with timely updates throughout, new illustrations, and a dedicated team of editors who extend Dr. Ryan’s legacy in retina, this outstanding 6th Edition is a must-have reference for retinal specialists, ophthalmologists, and fellows in training. Offers the most comprehensive content available on retina, balancing the latest scientific research and clinical correlations, covering everything you need to know on retinal diagnosis, treatment, development, structure, function, and pathophysiology. Provides a truly global perspective from five highly esteemed section editors and more than 350 other world authorities from across Europe, Asia, Australasia, and the Americas. Bullets Includes new chapters on widefield imaging, intraoperative OCT imaging, medical management of diabetes mellitus and age-related macular degeneration, and senile retinoschisis. Includes more than 1,150 brand-new illustrations, scans, and photographs throughout. Covers the explosion of new imaging options across optical coherence tomography (OCT), fundus imaging, and autofluorescence imaging, including a greatly expanded OCT imaging chapter that features crucial information on OCT-Angiography (OCT-A). Presents new pharmacotherapy data and the latest approaches in anti-VEGF therapy for age-related macular degeneration, diabetic retinopathy, and venous occlusive disease. Contains thorough content updates in every area of retina, including advanced imaging technologies, gene therapy, inflammation and immune responses, white dot syndromes, epigenetic mechanisms, transplantation frontiers to improve retinal function, macular hole, myopic eye disease, ocular trauma, drug delivery to the posterior segment, advances in macular surgery, vitrectomy and complex retinal detachment, tumors, and retinal genetics and biology.

Principles and Practice of Clinical Electrophysiology of Vision, second edition

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Author : John R. Heckenlively
Publisher : MIT Press
ISBN 13 : 0262083469
Total Pages : 1033 pages
Book Rating : 4.2/5 (62 download)

Book Synopsis Principles and Practice of Clinical Electrophysiology of Vision, second edition by : John R. Heckenlively

Download or read book Principles and Practice of Clinical Electrophysiology of Vision, second edition written by John R. Heckenlively and published by MIT Press. This book was released on 2006-04-07 with total page 1033 pages. Available in PDF, EPUB and Kindle. Book excerpt: The long-awaited second edition of an authoritative reference on electrophysiologic vision testing, including detailed information on techniques and problems, basic physiology and anatomy, theoretical concepts, and clinical findings; with extensive new material. This authoritative text is the only comprehensive reference available on electrophysiologic vision testing, offering both practical information on techniques and problems as well as basic physiology and anatomy, theoretical concepts, and clinical correlations. The second edition, of the widely used text, offers extensive new material and updated information: 65 of the 84 chapters are completely new, with the changes reflecting recent advances in the field. The book will continue to be an essential resource for practitioners and scholars from a range of disciplines within vision science. The contributions not only cover new information—important material that is likely to become more important in the next decade—but also offer a long-range perspective on the field and its remarkable development in the last century. After discussing the history and background of clinical electrophysiology, the book introduces the anatomy of the retina and principles of cell biology in the visual pathways at the molecular, physiological, and biochemical levels. It relates these new findings to the techniques and interpretations of clinical tests, including the electro-oculogram (EOG), electroretinogram (ERG), and visual evoked potentials (VEP), which are discussed in detail, as are equipment, data acquisition and analysis, principles and protocols for clinical testing, diseases and dysfunction, and animal testing. Notable additions for this edition include chapters on the origin of electroretinogram waveforms, multifocal techniques, testing in standard laboratory animals, recent advances in analysis of abnormalities in disease, and the applications of these techniques to the study of genetic abnormalities.

Bibliography of Scientific and Industrial Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 1012 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Bibliography of Scientific and Industrial Reports by :

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1968 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research and Development Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 844 pages
Book Rating : 4.E/5 ( download)

Book Synopsis U.S. Government Research and Development Reports by :

Download or read book U.S. Government Research and Development Reports written by and published by . This book was released on 1968 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt: