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Keratoconus

Keratoconus
  • Author : Jorge L. Alió
  • Publisher :Unknown
  • Release Date :2016-12-28
  • Total pages :371
  • ISBN : 9783319438818
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Summary : 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

Textbook on Keratoconus
  • Author : Adel Barbara
  • Publisher :Unknown
  • Release Date :2011-09-01
  • Total pages :248
  • ISBN : 9789350254042
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Summary : 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

Keratoconus: When, Why and Why Not: A Step by Step Systematic Approach
  • Author : Mazen M Sinjab
  • Publisher :Unknown
  • Release Date :2012-08-31
  • Total pages :156
  • ISBN : 9789350259221
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Summary : 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

Keratoconus & Keratoectasia
  • Author : Ming Wang (MD.)
  • Publisher :Unknown
  • Release Date :2010
  • Total pages :191
  • ISBN : 9781556429132
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Summary : 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

Controversies in the Management of Keratoconus
  • Author : Adel Barbara
  • Publisher :Unknown
  • Release Date :2018-12-11
  • Total pages :397
  • ISBN : 9783319980324
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Summary : 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

Keratoconus
  • Author : Griselle Samari Muñiz Enríquez
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :68
  • ISBN : OCLC:501072976
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Summary : 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.

Quick Guide to the Management of Keratoconus

Quick Guide to the Management of Keratoconus
  • Author : Mazen M. Sinjab
  • Publisher :Unknown
  • Release Date :2011-10-26
  • Total pages :151
  • ISBN : 3642218407
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Summary : 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: New Insights for the Healthcare Professional: 2011 Edition

Keratoconus: New Insights for the Healthcare Professional: 2011 Edition
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2012-01-09
  • Total pages :23
  • ISBN : 9781464911200
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Summary : 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/.

A User's Manual for People with Keratoconus

A User's Manual for People with Keratoconus
  • Author : Michael S. Lougnan,Jim Kokkinakis,Richard Lindsay,Gerard Sutton
  • Publisher :Unknown
  • Release Date :2012
  • Total pages :100
  • ISBN : 1921804696
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Summary : 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.

Diagnosis, Contact Lens Prescribing, and Care of the Keratoconus Patient

Diagnosis, Contact Lens Prescribing, and Care of the Keratoconus Patient
  • Author : Karla Zadnik,Joseph T. Barr
  • Publisher :Unknown
  • Release Date :1999
  • Total pages :71
  • ISBN : 0750696761
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Summary : A concise clinical resource for the contact lens practitioner on the diagnosis and management of keratoconus. Evaluation and fitting of the patient with contact lenses is covered in detail, as are guidelines to determine if the patient would benefit from a corneal transplant to correct the bulging of the cornea and improve visual acuity.

Keratoconus

Keratoconus
  • Author : Griselle Samari Muñiz Enríquez
  • Publisher :Unknown
  • Release Date :2007
  • Total pages :68
  • ISBN : OCLC:501072976
GET BOOK HERE

Summary : 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.

Modern Management of Keratoconus

Modern Management of Keratoconus
  • Author : Brian S Boxes Wachler
  • Publisher :Unknown
  • Release Date :2008-12-01
  • Total pages :242
  • ISBN : 8184482094
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Summary : This is the much needed guide for ophthalmologists and patients who want to treat and understand about keratoconus a non-inflammatory, degenerative disease that compromises the structural integrity of the collagen matrix within the corneal stroma. The hallmark characteristic is the development of a localized, cone-shaped estasia, bulge or hernia that is accompanied by thinning of the stroma in the area of the cone. This leads to increased irregular astigmatism which cannot be easily corrected and causes retinal image blur and poor visual acuity. This book brings a new understanding to treat this disorder. Previously hard contacts and cornea transplant used to be the only option to treat keratoconus but now a variety of options are available to both stabilize the disease and improve the eyesight. This is the most comprehensive publication on the latest advances in keratoconu treatments. It covers to define keratoconus and its causes and diagnose with clinical signs, corneal topography devices, and keratoconus after refractive surgery treatment such as C3-R, Intacs, Ferrara Rings, CK and penetrating keratoplasty, contact lenses, improving in corrected vision with vision ICL, Venisyse and PRK. This book provides a comprehensive list of scientific references from pre-reviewed journals. For opthalmologists and optometrists, these references are important for augmenting their fund of knowledge and helpful in understanding the background for keratoconus treatments.

Mastery of Holcomb C3-R® Crosslinking for Keratoconus & Other Disorders: For Patients and Physicians

Mastery of Holcomb C3-R® Crosslinking for Keratoconus & Other Disorders: For Patients and Physicians
  • Author : Brian S Boxer Wachler,Maxine Lipner
  • Publisher :Unknown
  • Release Date :2013-03-31
  • Total pages :132
  • ISBN : 9789350903278
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Summary : 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

New Frontiers for the Treatment of Keratoconus

New Frontiers for the Treatment of Keratoconus
  • Author : César Carriazo,María José Cosentino
  • Publisher :Unknown
  • Release Date :2021-05-16
  • Total pages :140
  • ISBN : 9783030661434
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Summary : This book updates the reader about the latest bio-mechanical concepts underlying keratoconus diagnosis and the various treatment alternatives: from conventional alternatives with a real cost/benefit description, to some innovative alternatives that have come to the fore in recent years. It discusses the latest software and technology utilized in keratoconus diagnosis as well as the more innovative surgical techniques used to treat keratoconus. New Frontiers for the Treatment of Keratoconus represents an essential book for ophthalmologists and specialists in cornea and refractive surgery who are looking to position themselves at the forefront of the diagnosis and treatment of keratoconus.

Advanced Anterior Segment Imaging in Keratoconus: a Review

Advanced Anterior Segment Imaging in Keratoconus: a Review
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2017
  • Total pages :229
  • ISBN : OCLC:1051372843
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Summary : 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.

Anterior Segment Complications of Contact Lens Wear

Anterior Segment Complications of Contact Lens Wear
  • Author : Joel A. Silbert
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :556
  • ISBN : UOM:39015049682795
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Summary : This comprehensive, full-color text provides clinically useful information on anterior segment complications of contact lens wear and their clinical management. * Provides a problem-solving approach to the diagnosis and treatment of the complications of contact lens wear * Includes new chapters on corneal topography, refractive surgery, corneal distortion and reshaping, dermatology, viral infections and the immunocompromised patient, and a full-color appendix showing CCLRU Grading Scales * Demonstrates methods for minimizing the risk of legal problems associated with dispensing contact lenses

Accuracy of Videokeratography in Measuring Keratoconus

Accuracy of Videokeratography in Measuring Keratoconus
  • Author : Judy Shuk-Yee Chan
  • Publisher :Unknown
  • Release Date :1996
  • Total pages :132
  • ISBN : UCAL:C3395520
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Summary :

Vitamin D Complex in Keratoconus

Vitamin D Complex in Keratoconus
  • Author : Alexander Knapp
  • Publisher :Unknown
  • Release Date :1938
  • Total pages :4
  • ISBN : OCLC:1166648457
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Summary :

Proceedings of the National Academy of Sciences of the United States of America

Proceedings of the National Academy of Sciences of the United States of America
  • Author : National Academy of Sciences (U.S.)
  • Publisher :Unknown
  • Release Date :2005
  • Total pages :229
  • ISBN : WISC:89099176976
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Summary :

Corneal Surgery

Corneal Surgery
  • Author : Frederick S. Brightbill
  • Publisher :Unknown
  • Release Date :2009
  • Total pages :945
  • ISBN : 9780323048354
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Summary : "This updated, full-color 4th edition features a greatly expanded surgical focus for a practical guide to corneal surgery. The expert guidance of internationally renowned editors provides you with authoritative and current coverage that takes you from an in-depth exploration of corneal function as related to corneal surgery through to the correction of refractive errors. This easy-to-use, state-of-the-art resource has been reorganized to focus strictly on surgery to provide you with more coverage of recent surgical advances." --Book Jacket.

Blind But Now I See

Blind But Now I See
  • Author : Brenda Joyce Nichols
  • Publisher :Unknown
  • Release Date :2009-03
  • Total pages :140
  • ISBN : 1606048252
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Summary : The author chronicles her struggle to cope with a disease of the cornea and tells how she learned to live with challenged vision by trusting in God's plan and his vision for her life.