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Handbook of Clinical Electrophysiology of Vision. (2019)

Yu, Minzhong.

Cham :Springer International Publishing AG,

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Schlagwort(e): Vision. ; Electronic books.

Materialart: Online-Ressource

Seiten: 1 online resource (218 pages)

Ausgabe: 1st ed.

ISBN: 9783030304171

URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6001944

Sprache: Englisch

Anmerkung: Intro -- Preface -- Contents -- Contributors -- Part I: Basic Theory of Electrophysiology of Vision -- Chapter 1: Electroretinography -- Components of ERG -- Types of ERG -- Full-Field ERG -- Dark-Adapted Rod-Driven Scotopic and Mixed Flash ERGs -- Light-Adapted Cone-Driven ERG -- Pattern ERG -- Multifocal ERG -- Focal Flash ERG -- Electrodes, Stimulation, and Recording Methods -- ERG Electrodes -- Stimulation -- Recording Method -- Dilation, Dark Adaptation, and Topical Anesthesia -- Testing Infants -- Advanced Analysis of ERG Data -- Intensity-Response Function of ERG B-Wave -- Oscillatory Potentials (OPs) Analysis -- References -- Chapter 2: Visually Evoked Potentials -- Origins of VEP Components -- Electrode Placement -- Amplifier and Analysis -- Types of VEP -- Steady-State and Transient VEP -- Flash and Pattern VEP -- Multifocal VEP -- Clinical Protocol -- References -- Chapter 3: Electrooculography -- Origin of EOG -- Placement of Recording Electrodes, Parameters of Amplifier, and Stimulation -- Recording Procedure -- References -- Part II: Clinical Application of Electrophysiology of Vision -- Chapter 4: Congenital Non-Degenerative Retinal Diseases -- Night-Blinding Disorders (Fig. 4.1) -- Congenital Stationary Night Blindness -- Oguchi Disease -- Fundus Albipunctatus -- Photophobia Disorders -- Achromatopsia (ACHM) and Blue Cone Monochromatism (BCM) -- Phenotypes Associated with Mutations in the Paired Box 6 Gene -- References -- Chapter 5: Macular Dystrophies -- Stargardt's Disease/Fundus Flavimaculatus -- X-Linked Retinoschisis -- Vitelliform Macular Dystrophy (Best's Disease) -- Pattern Dystrophies/Macular Pattern Dystrophy (MPD) -- Doyne's Honeycomb Macular Dystrophy (Malattia Leventinese) -- Occult Macular Dystrophy -- North Carolina Macular Dystrophy (NCMD) -- References. , Chapter 6: Degenerative Night-Blinding Disorders and Cone and Cone-Rod Dystrophies -- Retinitis Pigmentosa -- Leber's Congenital Amaurosis/EORP/SECORD -- Enhanced S-Cone Syndrome -- Choroideremia -- Gyrate Atrophy of Choroid and Retina -- Late-Onset Retinal Degeneration (L-ORD) -- Bietti's Crystalline Dystrophy -- Cone Dystrophies -- Cone-Rod Dystrophies -- References -- Chapter 7: Syndromic Disorders -- Hearing Loss Syndromes -- Usher Syndrome -- Refsum Disease -- Wolfram Syndrome (DIDMOAD) -- Mitochondrial Diseases -- Kearns-Sayre Syndrome -- Neuropathy-Ataxia-Retinitis Pigmentosa Syndrome -- Maternally Inherited Diabetes and Deafness Syndrome -- Obesity Syndromes -- Bardet-Biedl Syndrome -- Alström Syndrome -- Cohen Syndrome -- Other Syndromes -- Cockayne Syndrome -- Alagille Syndrome (Arteriohepatic Dysplasia) -- Senior-Loken Syndrome -- Joubert Syndrome -- Metabolic Disorders -- Abetalipoproteinemia (Bassen-Kornzweig Syndrome) -- Neuronal Ceroid Lipofuscinoses (Batten's Disease) -- Mucopolysaccharidosis -- References -- Chapter 8: Characteristics of Visual Electrophysiology in Inflammatory Disorders -- Acute Zonal Occult Outer Retinopathy (AZOOR) -- Multiple Evanescent White Dot Syndrome -- Acute Posterior Multifocal Placoid Pigment Epitheliopathy (APMPPE) -- Birdshot Chorioretinopathy -- Autoimmune Retinopathy and Neuroretinopathy -- References -- Chapter 9: Characteristics of Visual Electrophysiology in Retinal Toxicities -- Vigabatrin -- Hydroxychloroquine (Plaquenil) and Chloroquine -- Antipsychotics -- Cis-Platinum -- Deferoxamine -- Digoxin -- Ethambutol -- Indomethacin -- Isotretinoin -- Ocular Siderosis -- Phosphodiesterase (PDE) Type 5 Inhibitors (Erectile Dysfunction Medication) -- Quinine -- References -- Chapter 10: Characteristics of Visual Electrophysiology in the Diseases of Optic Nerve or Visual Pathway -- Multiple Sclerosis. , Ischemic Optic Neuropathy -- Optic Neuritis -- Optic Nerve Hypoplasia -- Traumatic Optic Neuropathy -- Neurofibromatosis -- Optic Nerve Toxicities -- Ethambutol -- Neonatal Hyperbilirubinemia -- Radiotherapy -- Leber's Hereditary Optic Neuropathy -- Amblyopia -- References -- Chapter 11: Characteristics of Visual Electrophysiology in Albinism -- References -- Index.

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Online-Ressource

Handbook of Clinical Electrophysiology of Vision (2019)

Yu, Minzhong ; Creel, Donnell ; Iannaccone, Alessandro

Cham : Springer International Publishing | Cham : Imprint: Springer

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Schlagwort(e): Human physiology ; Ophthalmology ; Eye Diseases physiopathology ; Eye Diseases diagnosis ; Vision, Ocular physiology ; Electroretinography methods ; Electrooculography methods ; Electrophysiological Phenomena

Beschreibung / Inhaltsverzeichnis: This book provides an analytical and thorough review of clinical electrophysiology of vision, and the progress made in the field in the past decade. Handbook of Clinical Electrophysiology of Vision is designed to aid the readers in understanding the types of electrophysiologic tests that should be used in specific diseases, how to explain the results of these exams, and how to perform the tests of clinical electrophysiology of vision. Concise in format, the Handbook of Clinical Electrophysiology of Vision is divided into two sections that discuss a wide range of relevant topics, such as technology of electroretinography, electrooculography, visual evoked potential, characteristics of electroretinography in retinal diseases, and the characteristics of optic nerve diseases. Part one begins with a discussion on the basic theory of electrophysiology of vision, illustrating physiologic sources of electrophysiological responses, the techniques of the recording, and analysis of electrophysiologic signals. Part two then dives into the clinical application of electrophysiology of vision, and subsequently summarizes the characteristics of the electrophysiological signals in a number of disorders of retina and optic nerve. Written by experts in the field, Handbook of Clinical Electrophysiology of Vision is an invaluable resource for ophthalmologists, optometrists, electrophysiologists, residents, fellows, researchers, technicians and students in ophthalmology, optometry and vision science.

Materialart: Online-Ressource

Seiten: 1 Online-Ressource(IX, 219 p. 109 illus., 83 illus. in color.)

Ausgabe: 1st ed. 2019.

ISBN: 9783030304171

Serie: Springer eBook Collection

URL: https://doi.org/10.1007/978-3-030-30417-1

DOI: 10.1007/978-3-030-30417-1

Sprache: Englisch

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Digitale Medien

Model parameters of the smooth pursuit eye movement system with electrooculogram (1990)

Yu, Minzhong ; Wu, Lezheng ; Wu, Dezheng

Springer

Documenta ophthalmologica 76 (1990), S. 37-46

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ISSN: 1573-2622

Schlagwort(e): Smooth visual pursuit ; model parameter ; electrooculogram ; eye movement

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Abstract The visual pursuit test is a method that collects and analyzes the characteristics of pursuit eye movements and examines the function of the eye movement system. This paper analyzes the model parameters of the smooth pursuit eye movement system in order to explore a method for improving the analysis. The input-output relationship of the smooth pursuit system can be expressed by a quasilinear model. We compute the model parameters (gain, phase, spectral purity, cross covariance) by digital signal processing. Eye movement is recorded by electrooculogram. Both eyes are tested individually. The visual target moves at frequencies of 0.2, 0.4, 0.8, 1.2, and 1.6 Hz. Ranges are gain, 1.01 to 0.70; phase, -0.1 ° to -66 °; spectral purity, 0.97 to 0.70; and cross covariance, 0.99 to 0.26. We tested 40 normal subjects as well as patients with ataxia (8), vertigo (18), and ophthalmoplegia (9). The oculomotor system of normal subjects functions as a linear system in the performance of this test at 0.2 to 0.8 Hz. The spectral purity dropped to about 0.70 at 1.6 Hz. The variability of all measures increases greatly at 1.6 Hz, which indicates that this target motion exceeds the tracking ability of many normal subjects and that the oculomotor system of normal subjects functions as a nonlinear system in this condition. Statistical tests show no significant differences between sex, age, and the two eyes. The model parameters tentatively proved effective in clinical application.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00140496

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