keratoconus

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Keratoconus
Author : Jorge L. Alió
Publisher : Springer
Release Date : 2016-12-28
ISBN 10 : 3319438816
Pages : 371 pages
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As a degenerative disorder of the eye, keratoconus can cause substantial distortion of vision, with multiple images, streaking, and sensitivity to light all reported by patients. Keratoconus: Recent Advances in Diagnosis and Treatment updates ophthalmologists about the innovations that have occurred within the last decade, discussing the diagnostic imaging techniques that have been developed for keratoconus diagnosis, understanding of how examination techniques are related to the evolution of keratoconus, and how to indicate the different therapeutic tools that have been created for keratoconus over the last several years. Additionally, fundamentals for new diagnostic elements, based on the mathematical, physical and biomechanical data are analyzed in depth for a better understanding of the essential diagnostic steps for the clinician to guide patients towards the most adequate therapeutic tool in the case. Modern keratoplasty techniques, assisted by femtosecond lasers or other devices, are also covered and these techniques, along with the emerging conservative treatments, have added to more precise control of the evolution of the disease.

Textbook on Keratoconus
Author : Adel Barbara
Publisher : JP Medical Ltd
Release Date : 2011-09-01
ISBN 10 : 9350254042
Pages : 248 pages
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Textbook on Keratoconus introduces the latest developments and techniques for the treatment of keratoconus. The book begins with an introduction to the epidemiology, genetics and pathology of the condition, followed by detailed sections on its diagnosis and treatment. With contributions from numerous international ophthalmic experts, the text examines new surgical techniques such as intracorneal rings, phakic intraocular lenses, topographic guided photorefractive keratectomy, femtosecond laser corneal implants and collagen corneal cross-linking.

Keratoconus: When, Why and Why Not: A Step by Step Systematic Approach
Author : Mazen M Sinjab
Publisher : JP Medical Ltd
Release Date : 2012-08-31
ISBN 10 : 9350259222
Pages : 156 pages
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Keratoconus is degeneration of the structure of the cornea. The cornea is the clear tissue covering the front of the eye. The shape of the cornea slowly changes from the normal round shape to a cone shape. (PubMed Health). This book is a step by step guide to the diagnosis and treatment of keratoconus. Beginning with an introduction to the classification and patterns of the disease, the following section examines treatment options, discussing in detail when to treat, why to use a particular treatment modality and why not to use other treatment options. Nine case studies are presented, as well as a final self assessment section allowing students to test their knowledge. Key Features Step by step guide to the diagnosis and treatment of keratoconus Clear discussion on which treatments to use and why Nine case studies presented with detailed explanations Includes self assessment section More than 200 colour images and illustrations

Keratoconus & Keratoectasia
Author : Ming Wang (MD.)
Publisher : SLACK Incorporated
Release Date : 2010
ISBN 10 : 1556429134
Pages : 191 pages
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In recent years, keratoconus and keratoectasia have become increasingly important ophthalmic diseases due to the increasing number of keratorefractive surgeries being performed, the subsequent rising number of complications, and the availability of new treatment modalities for keratoconus and keratoectasia other than corneal transplantation. For both the genetic form of the disease (keratoconus) and the acquired form (keratoectasia), new modalities of diagnosis and treatment have enabled physicians to manage and treat these diseases earlier and more effectively, which can delay or even prevent major surgeries. Keratoconus and Keratoectasia: Prevention, Diagnosis, and Treatment by Dr. Ming Wang, along with over 40 contributors, represents the first state-of-the-art, comprehensive synthesis of the current understanding of the etiology, prevention, diagnosis, and treatment of keratoconus and keratoectasia. Diagnostic Modalities Include: - Topographic diagnosis – placido disc and elevational mapping analysis - Posterior corneal analysis, three-point touch method and FFKC criteria 2009 - Corneal pachymetry mapping and progression analysis - Statistical analysis packages for KC - New imaging technologies for the cornea including OCT - Topographic corneal irregularity analysis for premium IOLs - Measuring corneal strength – corneal hysteresis - Corneal epithelial mapping with ultrasound biomicroscopy - Wavefront analysis in keratoconus - Infrared light image screening – a new screening tool for keratoconus Treatments Include: - Non-surgical treatment with contact lenses - Ocular surface treatment - Lamellar and penetrating keratoplasty - Excimer laser surface treatment - Topography-guided excimer laser treatment - Wavefront-guided excimer laser treatment - Intacs intracorneal segment - UV-cross linking - Combination treatment of cross-linking, Intacs and excimer laser ablation - Future treatment Keratoconus and Keratoectasia: Prevention, Diagnosis, and Treatment is a concise, well-illustrated and clinically indispensable guide for treating these two important ophthalmic diseases and is a must-have for all ophthalmologists, optometrists, residents, fellows, and medical students.

Controversies in the Management of Keratoconus
Author : Adel Barbara
Publisher : Springer
Release Date : 2018-12-11
ISBN 10 : 3319980327
Pages : 397 pages
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This book presents new technologies which are available now for the rehabilitation of visual acuity in patients suffering from keratoconusand for arresting the progression of this frustrating disease. All these current treatment options in differing combinations aim to improve the quality of life of the patients and although successful, they are causing confusion for the ophthalmologists; what procedure to do and when? How to perform? Which combination of treatments to choose? Controversies in the Management of Keratoconusprovidesthe widely used treatment options for keratoconus including collagen corneal cross –linking (CXL) covering all the available techniques, intrastromal corneal ring segments (ICRS) , phakic intra-ocular lenses (IOLs), photorefractive keratectomy (PRK) combined or not with CXL penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty ( DALK). Each treatment is addressed by more than one author with different points of view in order to present the various approaches, the logic behind them and the most relevant clinical data available.A chapter by the editor tries to put some light on how to navigate among these controversies. This book will be of interest to trainees as well as the specialized ophthalmologists.

Keratoconus
Author : Griselle Samari Muñiz Enríquez
Publisher : N.A
Release Date : 2007
ISBN 10 :
Pages : 68 pages
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Keratoconus is a condition in which the cornea assumes a conical shape due to thinning and protrusion. The condition is usually bilateral and asymmetric. Refractive error will constantly change and as it progresses it impairs vision. Patients will have symptoms of visual blur, distortion, glare, photophobia, ocular irritation, pain, red eyes, tearing and monocular diplopia (also known as ghost images). Irregular scissor motion on retiniscopy reflex, abnormal ophthalmoscopy reflex, egg-shape mires on keratometry, Vogt's striae, Fleisher ring, Munson sign and hydrops are the characteristic signs of keratoconus. The etiology is unknown. Atopic diseases, wearing hard contact lenses and heredity have been mentioned as the cause. Among the management options are spectacle correction, soft contact lenses, hard contact lenses, combinations of soft-hard contact lenses, and as last option, surgical procedures. Management depends on the severity and the classification of the cone.

Keratoconus: New Insights for the Healthcare Professional: 2011 Edition
Author : N.A
Publisher : ScholarlyEditions
Release Date : 2012-01-09
ISBN 10 : 1464911207
Pages : 23 pages
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Keratoconus: New Insights for the Healthcare Professional: 2011 Edition is a ScholarlyPaper™ that delivers timely, authoritative, and intensively focused information about Keratoconus in a compact format. The editors have built Keratoconus: New Insights for the Healthcare Professional: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Keratoconus in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Keratoconus: New Insights for the Healthcare Professional: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Quick Guide to the Management of Keratoconus
Author : Mazen M. Sinjab
Publisher : Springer Science & Business Media
Release Date : 2011-10-26
ISBN 10 : 9783642218408
Pages : 151 pages
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This book, designed for ophthalmologists and particularly for refractive surgeons, aims to develop practical and clinical skills in readers so that they are able to make the right decisions in managing keratoconus. There are four main chapters. The first is devoted to diagnosis and describes the clinical signs, the appearances on microscopy, and the significance of corneal hysteresis and corneal topography. Classifications and patterns of keratoconus are then presented, and the author offers his own new classification of topographic patterns. The third chapter addresses the management of the disease in detail. Both non-interventional and interventional approaches are discussed with due attention to contraindications and complications. In addition, a novel classification of management parameters is suggested, and a systematic approach to management, formulated. In the final chapter this approach is applied to nine cases that serve as clinical examples.

Keratoconus
Author : Griselle Samari Muñiz Enríquez
Publisher : N.A
Release Date : 2007
ISBN 10 :
Pages : 68 pages
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Keratoconus is a condition in which the cornea assumes a conical shape due to thinning and protrusion. The condition is usually bilateral and asymmetric. Refractive error will constantly change and as it progresses it impairs vision. Patients will have symptoms of visual blur, distortion, glare, photophobia, ocular irritation, pain, red eyes, tearing and monocular diplopia (also known as ghost images). Irregular scissor motion on retiniscopy reflex, abnormal ophthalmoscopy reflex, egg-shape mires on keratometry, Vogt's striae, Fleisher ring, Munson sign and hydrops are the characteristic signs of keratoconus. The etiology is unknown. Atopic diseases, wearing hard contact lenses and heredity have been mentioned as the cause. Among the management options are spectacle correction, soft contact lenses, hard contact lenses, combinations of soft-hard contact lenses, and as last option, surgical procedures. Management depends on the severity and the classification of the cone.

A User's Manual for People with Keratoconus
Author : Michael S. Lougnan,Jim Kokkinakis,Richard Lindsay,Gerard Sutton
Publisher : N.A
Release Date : 2012
ISBN 10 : 9781921804694
Pages : 100 pages
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From a team of Australia's top eye specialists, this essential guide is about Keratoconus, the eye complaint that afflicts thousands of people to near blindness. It explores how, with the latest developments, the condition can be treated with amazing results of vision recovery and how, with early intervention, much of the vision loss can be avoided.

Mastery of Holcomb C3-R® Crosslinking for Keratoconus & Other Disorders: For Patients and Physicians
Author : Brian S Boxer Wachler,Maxine Lipner
Publisher : JP Medical Ltd
Release Date : 2013-03-31
ISBN 10 : 935090327X
Pages : 132 pages
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Keratoconus is degeneration of the structure of the cornea. The cornea is the clear tissue covering the front of the eye. In keratoconus, the shape of the cornea slowly changes from round to conical (PubMed Health). In the early stages, keratoconus can be corrected with the use of lenses, but in the later stages, surgery is the only option. Holcomb C3-R® is a non-surgical technique that involves placing drops of the vitamin Riboflavin into the eye and using a UV light to activate them. The drops strengthen the fibres of the cornea and over time, preserve sight (American Keratoconus Association). This book is a concise guide to the technique of Holcomb C3-R® to treat keratoconus. Authored by the inventor of the procedure, Brian S Boxer Wachler, the text is based on his first hand clinical experience and explains the history and basic science of cross linking, the development and naming of the technique, its uses and complications, and first patient results. Key points Concise guide to technique of Holcomb C3-R® to treat keratoconus Authored by inventor of the technique and based on clinical experience Includes more than 60 full colour images and illustrations

Advanced Anterior Segment Imaging in Keratoconus: a Review
Author : N.A
Publisher : N.A
Release Date : 2017
ISBN 10 :
Pages : 329 pages
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Abstract: Advances in anterior segment imaging have enhanced our ability to detect keratoconus in its early stages and characterize the pathologic changes that occur. Computerized corneal tomography has elucidated the alterations in shape of the anterior and posterior corneal surfaces and alterations in thickness as the disease progresses. Automated screening indices such as the keratoconus screening index were developed to assist in detecting keratoconus in suspicious cases. In vivo assessment of keratoconic corneas has revealed that compromised corneal biomechanics can now be measured clinically. Optical coherence tomography has demonstrated alterations in corneal epithelial thickness and distribution in keratoconus, has a role in assessing Descemet's membrane detachment in acute corneal hydrops (ACH) and the depth of the demarcation line following corneal collagen cross‐linking. In vivo confocal microscopy has exhibited cellular changes that occur in keratoconus and provided insight into cellular events that may be related to the development of neovascularization in ACH.