Nearwork-induced Transient Myopia in Myopic and Non-myopic Indian Subjects PDF Download
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Author: Viswanathan Sivaraman
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Viswanathan Sivaraman
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Balamurali Vasudevan
Publisher:
ISBN:
Category : Eye
Languages : en
Pages : 390
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Book Description
Author: Mark Rosenfield
Publisher: Butterworth-Heinemann Medical
ISBN: 9780750637848
Category : Medical
Languages : en
Pages : 220
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Book Description
This book combines theory, practice and research into the field in one complete volume.
Author:
Publisher:
ISBN:
Category : Eye
Languages : en
Pages : 60
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309040817
Category : Medical
Languages : en
Pages : 126
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Book Description
This book considers the issues surrounding the occurrence, progression, and predictability of myopia (near-sightedness), with special emphasis on the 16- to 26-year-old population. Myopia reviews only the most pertinent published research in this area, analyzing the findings and drawing conclusions from these studies. The observations and recommendations will undoubtedly be of considerable interest to vision scientists and clinicians alike.
Author: Editha Ong
Publisher:
ISBN:
Category : Eye
Languages : en
Pages : 450
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Author: Alison Alderson
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This thesis has investigated nearwork-induced transient myopia and accommodation responses in relation to refractive stability, multichromatic stimuli and orthokeratology. Five individual studies have been carried out. Initially an investigation into the temporal and dioptric aspects of nearwork-induced transient myopia was undertaken, suggesting that increased task duration does not increase the level, or slow the regression of post-task NITM, however an increase in the dioptric demand of the task does. In the second study, a longitudinal myopia progression study, these findings were related to short term myopia progression. The third investigation demonstrates the feasibility of measuring the biometric correlates of nearwork-induced transient myopia using a low coherence reflectometry device (LenStar, Haag Streit Koeniz, Switzerland). Fourthly, a comparison of the differences between static and dynamic accommodative responses, microfluctuations and nearwork-induced transient myopia produced when viewing a black/white target as oppose to a red/blue target has suggested the possibility of four accommodative responses to this multichromatic stimulus. Further investigation will be necessary to investigate if any of these response types are related to myopia progression. 2 The final study investigates the effect of two different designs of orthokeratology contact lenses (C5 and polynomial) on visual function. It appears to be the case that although the polynomial lens design has a larger refractive effect than the C5 lens it reduces both high and low contrast corrected visual acuity to a greater extent. The higher the baseline mean spherical equivalent refractive error the larger the detrimental effect.
Author: Editha Ong
Publisher: Optometric Extension Program Foundation
ISBN: 9780943599885
Category : Medical
Languages : en
Pages : 211
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Book Description
Comprehensive discussion of the research and theoretical modeling behind the long-standing question about the relationship between the accommodative/convergence systems, their primary function in nearwork, and possible etiologies of myopia. Provides a review of the various components of accommodation. This review, an update on the status of current research on the neurophysiology, including the neuro pharmacology of accommodation, is followed by a complete discussion of the various components of accommodation and the relationship to various refractive groups. Core to the book is a thorough discussion of nearwork-induced myopia, presenting a balanced discussion of the various theoretical models of myopia.
Author: Richard F. Spaide
Publisher: Springer Nature
ISBN: 3030743349
Category : Medical
Languages : en
Pages : 461
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Book Description
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.
Author: Jay Chhablani
Publisher: Academic Press
ISBN: 0128092238
Category : Science
Languages : en
Pages : 474
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Book Description
Choroidal Disorders provides an overview on various chorioretinal disorders with a special emphasis on choroidal imaging. As our understanding of the choroid has significantly improved with the development of advanced optical coherence tomography (OCT) and its role in posterior segment diseases is gaining new significance, this book focuses on the related improvements, diagnostic capabilities, management and prognosis of various chorioretinal disorders. It covers conventional techniques, such as ultrasonography and indocyanine green angiography as well as the most advanced techniques, including enhanced depth imaging OCT, swept source OCT, and OCT angiography. Concise overview of various chorioretinal disorders, with special emphasis on choroidal imaging Written for practitioners and researchers in sensory systems (vision), ophthalmologists, and retina specialists Covers the most advanced imaging techniques in choroidal disorders, such as enhanced depth imaging OCT, swept source OCT, and OCT angiography
