Keratoconus
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Keratoconus
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Author : Jorge L. Alió
language : en
Publisher: Springer
Release Date : 2016-12-28
Keratoconus written by Jorge L. Alió and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-28 with Medical categories.
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.
Keratoconus
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Author : Sujata Das
language : en
Publisher: Springer Nature
Release Date : 2022-10-19
Keratoconus written by Sujata Das and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-19 with Medical categories.
The book covers various aspects of the management of keratoconus, which is a leading cause of visual impairment in young adults. It focuses on the epidemiology and risk factors of keratoconus with a special focus on Southeast Asia. Keratoconus affects the quality of vision, thereby affecting the quality of life. While most patients present with defective vision, many are diagnosed accidentally during screening for refractive surgery. The book covers the varied epidemiology of keratoconus across different parts of the world. It discusses many systemic and ocular diseases associated with keratoconus. The book covers the newer diagnostic techniques and various treatment procedures for keratoconus, helping in diagnosing keratoconus in the early stages and closely watching the progression. It discusses various contact lenses to improve vision quality; widely used collagen crosslinking, and its various modifications for halting the progression. It also explains the surgical approach for keratoconus, such as penetrating keratoplasty, lamellar keratoplasty and other lens-assisted procedures. The book is relevant for general ophthalmologists and cornea specialists.
Textbook On Keratoconus
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Author : Adel Barbara
language : en
Publisher: JP Medical Ltd
Release Date : 2011-09
Textbook On Keratoconus written by Adel Barbara and has been published by JP Medical Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09 with Medical categories.
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 Keratoectasia
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Author : Ming Wang
language : en
Publisher: SLACK Incorporated
Release Date : 2010
Keratoconus Keratoectasia written by Ming Wang and has been published by SLACK Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Medical categories.
Over the recent years, keratoconus and keratoectasis have become increasingly important diseases in ophthalmic practice due to the increasing number of keratorefractive surgery cases and the availability of new treatment modalities other than corneal transplantation. For both the genetic form of the disease (keratoconus) and the acquired form (keratoectasia), new modalities of diagnosis and treatments have become available, enabling physicians to treat these two ecstatic corneal diseases earlier and effectively, delaying or even avoiding major surgeries such as corneal transplantation. This book is a concise, well-illustrated and clinically indispensable guide for treating these two important corneal diseases.
Ophthalmology
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Author : Myron Yanoff
language : en
Publisher: Elsevier Health Sciences
Release Date : 2009-01-01
Ophthalmology written by Myron Yanoff and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-01 with Medical categories.
Based on feedback, the authors have streamlined their bestselling reference to zero in on just the clinical answers ophthalmologists need in day-to-day practice. This new edition presents unparalleled guidance on nearly every ophthalmic condition and procedure.
Progressive Keratoconus Insights Into Etiopathogenesis Diagnosis And Treatment
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Author :
language : en
Publisher: Frontiers Media SA
Release Date : 2023-11-29
Progressive Keratoconus Insights Into Etiopathogenesis Diagnosis And Treatment written by and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-29 with Medical categories.
In the early stages of keratoconus, visual acuity may be normal and slit-lamp examination is not able to identify the disease phenotype. Early diagnosis of keratoconus is of major importance for effective treatment. That is why corneal topography and tomography has become the gold standard examination for diagnosis of corneal ectasia. Corneal topography is a non-contact imaging tool that gives information about the anterior surface of the cornea. Corneal tomography evaluates both anterior and posterior corneal surfaces and is considered mandatory for preoperatory evaluation before refractive surgery. Until recently, Kmax was the main indicator for the progression of keratoconus, but recent studies showed that posterior elevation represents the first signal of an ectatic corneal disease. Cross-linking is considered the gold standard in the treatment of keratoconus and newer techniques allow this procedure to be selective on the areas of corneal thinning.
Quick Guide To The Management Of Keratoconus
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Author : Mazen M. Sinjab
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-26
Quick Guide To The Management Of Keratoconus written by Mazen M. Sinjab and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-26 with Medical categories.
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.
Clinical Contact Lens Practice
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Author : Edward S. Bennett
language : en
Publisher: Lippincott Williams & Wilkins
Release Date : 2005
Clinical Contact Lens Practice written by Edward S. Bennett and has been published by Lippincott Williams & Wilkins this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Medical categories.
This comprehensive text and reference addresses the full scope of contemporary contact lens science and practice. With two expert editors and 100 first-rate contributors, the book presents practitioners and students in optometry and ophthalmology with key facts on corneal anatomy, recent research, contact lens design, patient evaluation, clinical applications, patient education, and complications of contact lens wear. More than 600 illustrations complement the text. Clinical Contact Lens Practice will be the standard text for required contact lens courses and will be an invaluable everyday reference for practitioners.
Current Opinions In The Kyoto Cornea Club
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Author : Shigeru Kinoshita
language : en
Publisher: Kugler Publications
Release Date : 1998
Current Opinions In The Kyoto Cornea Club written by Shigeru Kinoshita and has been published by Kugler Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Medical categories.
Since the first volume was published, significant advances have been made in corneal molecular and cellular biology and in the physiology of various corneal disorders, their healing processes and optimal management. Two papers deserve special attention: one by Roger W. Beuerman on the interactions between the cornea and the lacrimal gland and the other by Yoshihide Tsujimoto on the molecular mechanism of cell death, focusing on the Bc1-2 and ICE family protease. The remaining papers deal with issues of neuroparalytic keratitis, corneal wound healing and SPARC, genetic influences, corneal transplantation, herpetic infections, the effect of metalloproteases on the corneal epithelium, IL-8 and RANTE5 generation from the corneal epithelium, all of which topics are at the forefront of development in their field.
Manual Of Contact Lens Prescribing And Fitting
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Author : Milton M. Hom
language : en
Publisher: Elsevier Health Sciences
Release Date : 2006
Manual Of Contact Lens Prescribing And Fitting written by Milton M. Hom and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Contact lenses categories.
Part I. Basic Concepts -- 1. Anatomy and Physiology -- 2. Anterior Segment Disease and Contact Lenses -- 3. Examination and Instrumentation -- 4. Patient Selection new -- 5. CL optics new -- Part II. Gas-Permeable lenses -- 6. Gas-Permeable Lens Design and Fitting -- 7. Gas-Permeable Lens Fitting and Eyelid Geometry -- 8. Gas-Permeable Lens Fluorescein Patterns -- 9. Gas-Permeable Lens Materials -- 10. Modification and Verification -- 11. Gas-Permeable Lenses for Astigmatism -- 12. Gas-Permeable Lens Care and Patient Education -- 13. Gas-Permeable Cases -- Part III. Soft Lenses -- 14. Soft Lens Design, Fitting, and Physiologic Response -- 15. Soft Lens Materials -- 16. Soft Contact lenses and the Tear film -- 17. Soft Contact Lenses for Astigmatism -- 18. Soft Contact Lens Care and Patient Education -- Part IV. Extended wear -- 19. Gas-Permeable Extended Wear and Complications -- 20. Soft Extended Wear and Complications -- Part V. Special Topics -- 21. Dry Eyes and Contact Lenses -- 22. Monovision and Bifocals -- 23. Translating Bifocals -- 24. Keratoconus -- 25. Post-Penetrating Keratoplasty -- 26. Aphakia -- 27. Refractive Surgery and Contact Lenses -- 28. Pediatric Contact Lenses -- 29. Orthokeratology -- 30. Colored lenses -- 31. Scleral lenses -- Appendix A: Extended Keratometer Range with +1.25 D and -1.00 D Lenses -- Appendix B: Vertex Conversion Table of Plus and Minus Powers -- Appendix C: Keratometer Conversion (Diopter to Millimeters).