The Prevalence Of Refractive Error And Visual Impairment Caused By Uncorrected Refractive Error In China

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The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China

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Author : Siu-Chun Danny Ng
Publisher : Open Dissertation Press
ISBN 13 : 9781361278208
Total Pages : pages
Book Rating : 4.2/5 (782 download)

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Book Synopsis The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China by : Siu-Chun Danny Ng

Download or read book The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China written by Siu-Chun Danny Ng and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China" by Siu-chun, Danny, Ng, 吳兆駿, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Purpose: WHO reports 46% of world vision impairment from refractive error (RE) among children occurs in China. We estimated RE prevalence and associated vision impairment (VI) among Chinese children and adults. Methods: Data from population-based studies were stratified by gender in age intervals of 3 years (ages 3-17 y) or 10 years (ages >= 30 y): counts of persons with myopia (worse eye spherical equivalent vision ((the cutoff improving to above the cutoff with refraction, and those with myopic retinopathy. Estimates for ages 18-29 y were obtained from regression models derived from the pooled estimates. Prevalence of myopia and VI attributable to RE in each age/gender category was calculated by applying modeled rates to 2000 China census figures and projections for 2020. Association with VI attributable to RE was tested for: gender, urban versus rural residence, and residence in provinces with per capita GDP in the upper versus lower 50% for China. Results: Data were obtained from 5 cohorts for children and 14 for adults. There were 291 million and 21.4 million persons with myopia 2000, expected to rise to 306 million and 36.9 million by 2020. Of these, 18.4 million were blind and 116 million had low vision in 2000, with figures of 25.3 million and 123 million in 2020. Children accounted for the following proportion of RE disease burden in China in 2000: myopia 14.1%. Refractive error was responsible for 82.3% of blindness and 90.5% of low vision among children, and 11.6% and 64.4% of blindness and low vision among adults. Urban residence (OR 1.85, P = 0.004) and higher GDP (OR 10.6, P with refractive blindness among children. For adults, lower GDP was associated with refractive blindness (OR 1.47, P = 0.01). Gender was un-associated with refractive blindness among children or adults. Conclusions: Both children and adults suffer a heavy burden of VI associated with RE in China. Income may affect risk for such VI differently among children and adults. DOI: 10.5353/th_b4804331 Subjects: Eye - Refractive errors - China Vision disorders - China

The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China

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Author : 吳兆駿
Publisher :
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (819 download)

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Book Synopsis The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China by : 吳兆駿

Download or read book The Prevalence of Refractive Error and Visual Impairment Caused by Uncorrected Refractive Error in China written by 吳兆駿 and published by . This book was released on 2010 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Making Eye Health a Population Health Imperative

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)

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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.

Updates on Myopia

Author : Tien Y Wong
Publisher :
ISBN 13 : 9781013274091
Total Pages : 310 pages
Book Rating : 4.2/5 (74 download)

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Book Synopsis Updates on Myopia by : Tien Y Wong

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.

Refractive Errors: Public Health Challenges and Interventions

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Author : Carla Lanca
Publisher : Frontiers Media SA
ISBN 13 : 2832537219
Total Pages : 293 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Refractive Errors: Public Health Challenges and Interventions by : Carla Lanca

Download or read book Refractive Errors: Public Health Challenges and Interventions written by Carla Lanca and published by Frontiers Media SA. This book was released on 2023-10-27 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Research Topic is Volume 2 in the Research Topic series 'Myopia: Public Health challenges and interventions'. Uncorrected refractive errors are a significant cause of impaired vision and blindness in most world populations. During early childhood, uncorrected refractive errors may affect visual development and result in amblyopia. The largest burden of refractive error is myopia which significantly increases the risk of blinding conditions such as myopic macular degeneration, glaucoma, and cataract. High myopia poses greater risks than mild or moderate myopia. Epidemiological research and advocacy have positioned uncorrected refractive errors on the global health agenda as a major public health issue. However, more research is needed to determine the full extent of the threat posed by refractive errors, to establish effective interventions and to consolidate prevention methods.

Pathologic Myopia

Author : Richard F. Spaide
Publisher : Springer Nature
ISBN 13 : 3030743349
Total Pages : 461 pages
Book Rating : 4.0/5 (37 download)

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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.

Visual Impairment and Blindness

Author : Giuseppe Lo Giudice
Publisher : BoD – Books on Demand
ISBN 13 : 1838802576
Total Pages : 398 pages
Book Rating : 4.8/5 (388 download)

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Book Synopsis Visual Impairment and Blindness by : Giuseppe Lo Giudice

Download or read book Visual Impairment and Blindness written by Giuseppe Lo Giudice and published by BoD – Books on Demand. This book was released on 2020-09-09 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Blindness and vision impairment affect at least 2.2 billion people worldwide with most individuals having a preventable vision impairment. The majority of people with vision impairment are older than 50 years, however, vision loss can affect people of all ages. Reduced eyesight can have major and long-lasting effects on all aspects of life, including daily personal activities, interacting with the community, school and work opportunities, and the ability to access public services. This book provides an overview of the effects of blindness and visual impairment in the context of the most common causes of blindness in older adults as well as children, including retinal disorders, cataracts, glaucoma, and macular or corneal degeneration.

Optometry: Science, Techniques and Clinical Management E-Book

Author : Mark Rosenfield
Publisher : Elsevier Health Sciences
ISBN 13 : 0702051896
Total Pages : 569 pages
Book Rating : 4.7/5 (2 download)

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Book Synopsis Optometry: Science, Techniques and Clinical Management E-Book by : Mark Rosenfield

Download or read book Optometry: Science, Techniques and Clinical Management E-Book written by Mark Rosenfield and published by Elsevier Health Sciences. This book was released on 2016-06-23 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the theory and practice of optometry in one succinct volume. From the fundamental science of vision to clinical techniques and the management of common ocular conditions, this book encompasses the essence of contemporary optometric practice. Now in full colour and featuring over 400 new illustrations, this popular text which will appeal to both students and practitioners wishing to keep up to date has been revised significantly. The new edition incorporates recent advances in technology and a complete overview of clinical procedures to improve and update everyday patient care. Contributions from well-known international experts deliver a broad perspective and understanding of current optometric practice. A useful aid for students and the newly qualified practitioner, while providing a rapid reference guide for the more experienced clinician. - Comprehensive and logical coverage detailing the full spectrum of optometric practice in one volume. - Succinctly covers the basics of anatomy, physiology, pharmacology, investigative techniques and clinical management of common eye conditions to provide key topics likely to be met in clinical practice. - Discusses the full range of refractive correction, from spectacles and contact lenses to surgical treatment. - Includes chapters on the management of special populations, including paediatric, elderly, low vision and special needs patients. - Heavily illustrated throughout with key diagrams and images to support the text. - Complete restructuring of contents into three sections: basic sciences, clinical techniques and patient management. - Full colour throughout with over 400 illustrations. - Many new chapters reflecting the changes in optometric practice and technology over the last 20 years, including new imaging and diagnostic procedures and methods of ocular treatment and refractive correction. - Now includes internationally renowned authors from around the world. - Details a full range of refractive and management approaches for patient care.

Atlas of Posterior Fundus Changes in Pathologic Myopia

Author : Takashi Tokoro
Publisher : Springer Science & Business Media
ISBN 13 : 4431679510
Total Pages : 552 pages
Book Rating : 4.4/5 (316 download)

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Book Synopsis Atlas of Posterior Fundus Changes in Pathologic Myopia by : Takashi Tokoro

Download or read book Atlas of Posterior Fundus Changes in Pathologic Myopia written by Takashi Tokoro and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pathologic myopia that is due to axial elongation causes thinning of the retina and choroid, especially in cases of posterior staphyloma. The result of this myopia is the development of various kinds of chorioretinal atrophy in the posterior pole, with a gradual progression of the atrophic changes extending over several decades. Until now, studies of atrophic lesions and their clinical course have been incomplete, and diagnostic standards and classification of chorioretinopathy have been unclear. The Atlas of Posterior Fundus Changes in Pathologic Myopia discusses these and other important questions on the basis of long-term observation and research. A major feature of the book is the presentation of many case studies, with generous use of full-color photographs to show in detail the course of fundus changes. The atlas is valuable resource not only for ophthalmologists interested in myopia but for optometrists, opticians, and medical students.

Global initiative for the elimination of avoidable blindness

Author : World Health Organization. Prevention of Blindness and Deafness
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (442 download)

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Book Synopsis Global initiative for the elimination of avoidable blindness by : World Health Organization. Prevention of Blindness and Deafness

Download or read book Global initiative for the elimination of avoidable blindness written by World Health Organization. Prevention of Blindness and Deafness and published by . This book was released on 2000 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a February 2000 World Health Organization (WHO) fact sheet about Vision 2020: The Right to Sight, a global initiative by WHO to eliminate avoidable blindness.

Low Vision Manual

Author : A. Jonathan Jackson
Publisher : Elsevier Health Sciences
ISBN 13 : 0750618159
Total Pages : 414 pages
Book Rating : 4.7/5 (56 download)

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Book Synopsis Low Vision Manual by : A. Jonathan Jackson

Download or read book Low Vision Manual written by A. Jonathan Jackson and published by Elsevier Health Sciences. This book was released on 2007-01-01 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: .this book represents a real milestone for low vision care because it is one of the first low vision books in the world, and the first from the UK, that doesn't just give lip service to multi-disciplinary collaboration- it has a multi-disciplinary authorship. Barbara Ryan, Research Associate, School of Optometry and Vision Sciences, Cardiff University, Cardiff, UK Low Vision Manual is a comprehensive guide and up-to-date reference source, written by clinical and research experts in the fields of disease detection and management; primary and secondary optometric care; low vision optics and prescribing; counselling and rehabilitation. All these areas are explored in this book in four key sections: Section One: Definition of low vision and its epidemiology Section Two: The measurement of visual function of the visually impaired Section Three: The optics and practical tips on prescribing low vision aids Section Four: Rehabilitation strategies and techniques This is an important reference tool for all professionals involved with the visually impaired. The book covers everything a practitioner will need on a day-to-day basis. Clear layout with practical tips, worked examples and practical pearls will enable the front-line eye-care professional to provide patients with sound, research-based clinical care and rehabilitation. An essential reference for: . Ophthalmology . Optometry . Orthoptics . Ophthalmic nursing . Visual rehabilitation . Occupational therapy . Social work . Peer work . Psychology . Dispensing opticians

Preventing the Epidemic of Myopia in China

Author : Fan Xiang
Publisher :
ISBN 13 :
Total Pages : 494 pages
Book Rating : 4.:/5 (953 download)

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Book Synopsis Preventing the Epidemic of Myopia in China by : Fan Xiang

Download or read book Preventing the Epidemic of Myopia in China written by Fan Xiang and published by . This book was released on 2011 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Myopia is the most common refractive error. It is generally accepted that there is an epidemic of myopia in urban areas of East Asia, as more than 80% of the children who complete secondary school are shorted-sight, with around 20% highly myopic. Importantly, this problem is not unique to East Asia, and prevalence of myopia is increasing in other parts of the world. The high prevalence of myopia imposes costs for both optical correction and visual impairment. Furthermore, the high prevalence of severe myopia increases the risk of uncorrectable visual impairment and even blindness. Myopia has emerged as major heath issue in the world, and been included as one of the priority areas of Vision 2020.

Geriatric Ophthalmology

Author : Andrew G. Lee
Publisher : Springer Science & Business Media
ISBN 13 : 1441900144
Total Pages : 128 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Geriatric Ophthalmology by : Andrew G. Lee

Download or read book Geriatric Ophthalmology written by Andrew G. Lee and published by Springer Science & Business Media. This book was released on 2010-07-07 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the Baby Boom generation ages, an increased need for geriatric specialty care becomes particularly important. This shift will especially affect ophthalmology, as the occurrence of common visual disorders such as cataracts, macular degeneration, glaucoma and diabetic retinopathy increases with age. This book anticipates this pending and inevitable demographic shift and fulfills the need for a practical, "bread-and-butter" approach to Geriatric Ophthalmology.

The Global Burden of Disease

Author : Colin Mathers
Publisher : World Health Organization
ISBN 13 : 9241563710
Total Pages : 156 pages
Book Rating : 4.2/5 (415 download)

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Book Synopsis The Global Burden of Disease by : Colin Mathers

Download or read book The Global Burden of Disease written by Colin Mathers and published by World Health Organization. This book was released on 2008 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: The global burden of disease: 2004 update is a comprehensive assessment of the health of the world's population. It provides detailed global and regional estimates of premature mortality, disability and loss of health for 135 causes by age and sex, drawing on extensive WHO databases and on information provided by Member States.--Publisher description.

Pediatric Neuro-Ophthalmology

Author : Michael C. Brodsky
Publisher : Springer Science & Business Media
ISBN 13 : 1461384575
Total Pages : 692 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Pediatric Neuro-Ophthalmology by : Michael C. Brodsky

Download or read book Pediatric Neuro-Ophthalmology written by Michael C. Brodsky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pediatric Neuroophthalmology details the diagnostic criteria, current concepts of pathogenesis, neuroradiological correlates, and clinical management of a large group of neuroophthalmic disorders that present in childhood. Surprisingly distinct from neuroophthalmic disorders afflicting adults, this set of diseases falls between the cracks of most ophthalmology training, and thus, warrants a practical, clinical guide for the practitioner in ophthalmology - the neuroophthalmologist, pediatric ophthalmologist, general ophthalmologist - as well as neurologists and for residents. The authors, leading pediatric ophthalmologists, have taken this difficult subject matter and developed an accessible, user-friendly manual with a detailed approach to the recognition, differential diagnosis, and management of pediatric neuroophthalmologic disorders.

Optometric Management of Learning-related Vision Problems

Author : Mitchell Scheiman
Publisher : Elsevier Health Sciences
ISBN 13 : 0323029655
Total Pages : 770 pages
Book Rating : 4.3/5 (23 download)

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Book Synopsis Optometric Management of Learning-related Vision Problems by : Mitchell Scheiman

Download or read book Optometric Management of Learning-related Vision Problems written by Mitchell Scheiman and published by Elsevier Health Sciences. This book was released on 2006-01-01 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the relationship between vision and learning and the role of optometrists in the assessment and management of learning related vision problems. It discusses normal child development, the learning process, learning disabilities, the relationship between vision and learning, and models for managing vision problems affecting learning. It is also of interest to health care practitioners involved in the evaluation and treatment of children and adults with learning difficulties. Instructor resources are available; please contact your Elsevier sales representative for details. Presents an organized, easy-to-follow approach to the diagnosis and treatment of learning-related vision problems.Each chapter contains key terms and chapter review questions making it more appealing to the student and instructor.Includes appendices containing sample reports, sample questionnaires, sample letters, a bibliography, and case histories showing the reader how to use the material from the book in practice.Well respected authors and contributors provide authoritative coverage of the topic. Expanded information on the use of colored lenses and reading.New chapter on reading disorders that covers how children learn to read, teaching methods, optometric assessment, and management of dyslexia.Chapters have been updated with new computer software options, including computer aided vision therapy, perceptual home therapy system, and temporal visual processing program.Updated testing battery, including new tests, visual processing speed, and optometric use of IQ screening tests such as K-BIT.Expanded coverage of psycho education evaluation includes substantial updates with new test instruments, such as WISC.Substantial revisions based on literature review for last 10 years.New and updated illustrations.

Pediatric Ophthalmology and Strabismus

Author : Kenneth W. Wright
Publisher : Springer Science & Business Media
ISBN 13 : 0387217533
Total Pages : 1091 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Pediatric Ophthalmology and Strabismus by : Kenneth W. Wright

Download or read book Pediatric Ophthalmology and Strabismus written by Kenneth W. Wright and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1091 pages. Available in PDF, EPUB and Kindle. Book excerpt: to the Second Edition here have been significant changes in pediatric Chapter 56 by Maya Eibschitz-Tsimhoni, MD, is a T ophthalmology and strabismus since the first wonderful contribution to the literature, as it reviews edition. Great effort has gone into incorporat 235 important ocular disorders that have systemic ing recent advances into this second edition. Each manifestations, and it includes a detailed glossary of chapter in the book has been revised, and over half of terms. them have been completely rewritten. In addition to As with the first edition, our goal is to present a updating and revising the entire book, we have added comprehensive textbook of pediatric ophthalmology three new chapters: Chapter 7 on electrophysiology and strabismus written in a clear, reader-friendly style. and the eye, Chapter 1 7 on strabismus surgery, and Our hope is that the readerwill find the second edi Chapter 56 on congenital syndromes with ocular man tion of Pediatric Ophthalmology and Strabismus to ifestations. Chapter 17 is the definitive work on pedi be scientifically informative, clinically useful, and en atric ocular electrophysiology, bar none, and was fin joyable to read. ished just weeks before the untimely death of its author, Dr. Tony Kriss (see tribute in Chapter 17).