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Author: Kenneth Hoffer
Publisher: CRC Press
ISBN: 1040141889
Category : Medical
Languages : en
Pages : 280
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Book Description
IOL Power by Kenneth J. Hoffer, MD will be the definitive resource worldwide for ophthalmologists who strive to increase the accuracy for all IOL calculations,especially for multifocal IOLs and overcoming the challenges that arise when treating patients that have had laser refractive surgery, such as RK, PRK, LASIK, and LASEK. Inside the pages of IOL Power, Dr. Hoffer is joined by some of the most respected international physicians and physicists in the field of IOL power such as Aramberri, Haigis, Norrby, Olsen and Shammas. Together their expertise, spanning over 35 years, makes even the most difficult subjects easy to understand. This volume will become the definitive reference source on the subject of IOL power calculation. Some topics include: Ultrasound velocities for axial length measurement Optical AL (IOLMaster and Lenstar) in difficult eyes Manual and automatic keratometry and instrumentation Topography & Scheimpflug camera corneal power Value of theoretic formulas Formula personalization Multifocal and toric IOLs Aspheric IOLs Effect of IOL tilt on astigmatism Chapters Cover: All aspects of obtaining the most accurate biometry Available modern calculation formulas Latest instruments Problems that can arise, how to prevent and repair them IOL Power by Kenneth J. Hoffer, MD is structured in a logical manner so as to cover every facet of IOL power from the basics to the most complicated subjects to achieve the most accurate and precise calculations and should be in the hands of all ophthalmic surgeons, technicians, residents and students.
Author: Kenneth Hoffer
Publisher: CRC Press
ISBN: 1040141889
Category : Medical
Languages : en
Pages : 280
Get Book Here
Book Description
IOL Power by Kenneth J. Hoffer, MD will be the definitive resource worldwide for ophthalmologists who strive to increase the accuracy for all IOL calculations,especially for multifocal IOLs and overcoming the challenges that arise when treating patients that have had laser refractive surgery, such as RK, PRK, LASIK, and LASEK. Inside the pages of IOL Power, Dr. Hoffer is joined by some of the most respected international physicians and physicists in the field of IOL power such as Aramberri, Haigis, Norrby, Olsen and Shammas. Together their expertise, spanning over 35 years, makes even the most difficult subjects easy to understand. This volume will become the definitive reference source on the subject of IOL power calculation. Some topics include: Ultrasound velocities for axial length measurement Optical AL (IOLMaster and Lenstar) in difficult eyes Manual and automatic keratometry and instrumentation Topography & Scheimpflug camera corneal power Value of theoretic formulas Formula personalization Multifocal and toric IOLs Aspheric IOLs Effect of IOL tilt on astigmatism Chapters Cover: All aspects of obtaining the most accurate biometry Available modern calculation formulas Latest instruments Problems that can arise, how to prevent and repair them IOL Power by Kenneth J. Hoffer, MD is structured in a logical manner so as to cover every facet of IOL power from the basics to the most complicated subjects to achieve the most accurate and precise calculations and should be in the hands of all ophthalmic surgeons, technicians, residents and students.
Author: H. John Shammas
Publisher: SLACK Incorporated
ISBN: 9781556426520
Category : Medical
Languages : en
Pages : 248
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Book Description
The selection of appropriate formulas and surgical techniques is vitally important to best fulfill each patient's visual needs and expectations. With over 30 years of experience, H. John Shammas, MD clearly explains the importance of intraocular lens (IOL) power calculations during preoperative cataract evaluation and their role in positively improving surgical outcomes. Intraocular Lens Power Calculations addresses both currently used and the latest, more advanced formulas. To fully understand the application of these formulas in various situations, thorough explanations are provided. Numerous highlighted clinical applications, case reports, figures, and tables are also utilized to illustrate and reinforce key points. This well-organized text contains the most up-to-date information on axial length measurement, biometry units, constants, and ways to avoid errors. IOL power calculations and selection are included for an array of conditions ranging from the normal phakic eye to the more challenging high myopic and high hyperopic eyes, piggyback implantation, intumescent cataract, and the aphakic eye. Intraocular Lens Power Calculations updates surgeons, technicians, and students on all the techniques and formulas available to achieve the most accurate and precise calculations, thus paving the way for surgical results that fulfill patients' visual needs. Topics Include: New formulas including Holladay, Olsen, and Haigis IOL power calculations after corneal refractive surgery Calculating for emmetropia and iseikonia High precision A-scan biometry B-mode guided biometry Optical coherence biometry Selecting the proper IOL power
Author: David F. Chang
Publisher: SLACK Incorporated
ISBN: 9781556428593
Category : Medical
Languages : en
Pages : 964
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Book Description
The IOL technical specifications, the clinical data, and the necessary clinical and surgical skills comprise the scientific foundation for achieving a "premium" refractive outcome. To consistently achieve patient satisfaction, however, requires mastering the art of patient and IOL selection, communicating and counseling effectively, and providing a "premium" patient experience. This is a nontraditional book in which multiple experts are separately asked to discuss controversial subjects in a reader-friendly format. There is balanced coverage of all of the available refractive IOLs, as well as those that may become available in the near future. A major emphasis is placed on avoiding and managing complications or potentially dissatisfied patients. There are more than 200 chapters that are organized into 14 major sections, over 300 images, 100 tables, and 12 sidebars that cover every aspect of refractive IOL clinical practice. This is a comprehensive educational resource addressing the most demanding and rapidly evolving area in cataract and refractive surgery today and the first book to cover both the clinical and nonclinical aspects of offering refractive IOL services.
Author: Michael Goggin
Publisher: BoD – Books on Demand
ISBN: 9535102303
Category : Medical
Languages : en
Pages : 322
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Book Description
This book explores the development, optics and physiology of astigmatism and places this knowledge in the context of modern management of this aspect of refractive error. It is written by, and aimed at, the astigmatism practitioner to assist in understanding astigmatism and its amelioration by optical and surgical techniques. It also addresses the integration of astigmatism management into the surgical approach to cataract and corneal disease including corneal transplantation.
Author: Myron Yanoff
Publisher: Elsevier Health Sciences
ISBN: 0323043321
Category : Medical
Languages : en
Pages : 1551
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Book Description
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.
Author: Josef F. Bille
Publisher: Springer
ISBN: 3030166384
Category : Medical
Languages : en
Pages : 411
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Book Description
This open access book provides a comprehensive overview of the application of the newest laser and microscope/ophthalmoscope technology in the field of high resolution imaging in microscopy and ophthalmology. Starting by describing High-Resolution 3D Light Microscopy with STED and RESOLFT, the book goes on to cover retinal and anterior segment imaging and image-guided treatment and also discusses the development of adaptive optics in vision science and ophthalmology. Using an interdisciplinary approach, the reader will learn about the latest developments and most up to date technology in the field and how these translate to a medical setting. High Resolution Imaging in Microscopy and Ophthalmology – New Frontiers in Biomedical Optics has been written by leading experts in the field and offers insights on engineering, biology, and medicine, thus being a valuable addition for scientists, engineers, and clinicians with technical and medical interest who would like to understand the equipment, the applications and the medical/biological background. Lastly, this book is dedicated to the memory of Dr. Gerhard Zinser, co-founder of Heidelberg Engineering GmbH, a scientist, a husband, a brother, a colleague, and a friend.
Author: Jaime Aramberri
Publisher: Springer Nature
ISBN: 3031506669
Category : Intraocular lenses
Languages : en
Pages : 1002
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Book Description
Zusammenfassung: Cataract surgery, with 25-30 million surgeries per year, has become one of most popular surgeries in the world. The calculation of its power is of utmost importance. As new premium intraocular lenses (IOLs) and modern surgical techniques have been developed, the demand has grown exponentially - not only for eliminating cataracts, but also for getting rid of the need for glasses. This book offers a comprehensive overview of IOL power calculations and its various formulas and methods. Chapters discuss use of the diagnostic biometry devices that provide the measurements and the management of different clinical situations where particular modifications must be applied. Chapters also discuss the newest generation of multifocal and toric IOLs that can only be implanted if no residual refraction is planned for, which implies a perfect mastery of all the IOL calculation process. This book marks the first time in ophthalmological history that all the main leaders in the field have collaborated in a project that will undoubtedly be the reference for the next ten years. Intraocular Lens Calculations is a must-have resource for cataract and refractive surgeons as well as technicians and anyone dealing with this subject
Author: Courtney L. Kraus
Publisher: Springer Nature
ISBN: 3030389383
Category : Medical
Languages : en
Pages : 272
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Book Description
Pediatric Cataract Surgery and IOL Implantation: A Case Based Guide is a must-have resource for ophthalmologists, surgeons, residents, and fellows who work with pediatric cataracts and their surgical management as well as ancillary readers such as parents or supportive caregivers to a child with cataracts. This book offers a comprehensive overview of the epidemiology of pediatric cataract surgery and considerations surrounding IOL implantation. It addresses pre-operative evaluation and examination, as well as surgical steps and techniques for various pediatric cataract conditions. Chapters begin with an introduction and are followed by discussions that offer expert viewpoints and case studies. In addition, chapters illustrate the complexity of the management of pediatric lens opacities. The book closes with a case-based approach to special considerations in IOL implantation: including considerations in the uveitic patient, placement without capsular support, and cataract surgery in the developing world. Providing thoughtful chapters that seek to expand on the currently available literature without redundancy, this book a solid companion piece to any other text discussing pediatric cataracts.
Author: Randall Olson
Publisher: CRC Press
ISBN: 104014053X
Category : Medical
Languages : en
Pages : 262
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Book Description
Cataract Surgery from Routine to Complex: A Practical Guide provides eye care professionals guidance on what to do and how to avoid potential complications in all aspects of cataract surgery, just as if the world’s experts were by your side. Drs. Randy Olson, George Jin, Ike Ahmed, Alan Crandall, Robert Cionni, and Jason Jones concisely provide a wealth of information, including a detailed list of key issues and considerations for virtually all the possible contingencies of the procedure. Some Topics and Sections Include: -Examination Pupil size, ocular dominance, biometry, and more -IOL Choice Monofocal: aspheric vs. traditional; presbyopia-correcting: mutifocal vs. accommodating; toric, and more -Routine Cataract Surgery Microincision cataract surgery, OVD selection, current phacoemulsification techniques, and more -Complex Cataract Surgery Hypermature cataract, small pupil, pseudoexfoliation, nanophthalmos, pediatric cataract, and more Intra-Operative Complications Wound burn, posterior capsular rupture, shallow anterior chamber, and more -Patient Assessment Visual acuity, refraction, visual quality, and more -Postoperative Complications Endophthalmitis, toxic anterior segment syndrome, IOL dislocation, and more Cataract Surgery from Routine to Complex also includes a companion website that provides more than 2 hours of learning with 38 edited and narrated video presentations, perfectly complementing the procedures discussed inside the text. Cataract Surgery from Routine to Complex is the combination of a practical guide with broad academic underpinnings along with current controversial subjects on cataract surgery, making it ideal for eye care professionals who wish to update their knowledge and translate it into improved surgical techniques and better cataract patient education.
Author: Frank Joseph Goes
Publisher: JP Medical Ltd
ISBN: 938070464X
Category : Medical
Languages : en
Pages : 232
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Book Description
This book addresses an increasing need that is confronting ophthalmologists all over the world today, and that is the growing number of previous refractive surgery patients. A unique contribution by internationally recognized leaders to address all aspects of lens-based surgery on previous refractive patients, including issues surrounding when to intervene, biometry, considerations for the surgical procedure itself, lens choices, management of complications, and views into the future. The text represents an excellent opportunity for ophthalmologists to experience increased satisfaction from their practices, improve the financial health of their practices, and feel the gratitude of patients for the enhanced quality of their lives. Presents the problem in a comprehensive way so that the ophthalmic surgeon in private practice would find answers to the common questions like: When is the right time to replace the lens in an eye that had refractive lens surgery before hand? How do we do it? What are the pitfalls? How to avoid complications? How do we perform correct IOL power calculation in eyes developing cataract after earlier refractive corneal surgery? And finally outcomes of different approaches and future developments have been discussed. Also includes a chapter by Kezirian and Waring on the opposite topic; laser surgery after intraocular implants and answer the questions by bringing together the expertise of Internationally well-known specialists in the field. Contains the knowledge of the physicists—of the pioneers who developed the first formulas—and of the surgeons in daily practice who are handling over the practical tools in the section of IOL Power Calculation. In the section of Decision Making, top surgeons gave their advice and personal approach. In the section of The Surgery, experienced surgeons gave some pearls when starting surgery in eyes that had refractive surgery earlier. This book useful for ophthalmologists, ophthalmic surgeons, refractive surgeons.
