Intraocular Lens Calculations
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Intraocular Lens Power Calculations
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Author : H. John Shammas
language : en
Publisher: SLACK Incorporated
Release Date : 2004
Intraocular Lens Power Calculations written by H. John Shammas and has been published by SLACK Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Eye categories.
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
Intraocular Lens Calculations
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Author : Jaime Aramberri
language : en
Publisher: Springer
Release Date : 2024-07-06
Intraocular Lens Calculations written by Jaime Aramberri and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-06 with Medical categories.
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 inthe 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.
Iol Power
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Author : Kenneth Hoffer
language : en
Publisher: CRC Press
Release Date : 2024-06-01
Iol Power written by Kenneth Hoffer and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-01 with Medical categories.
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.
Intraocular Lens Power Calculations
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Author : H. John Shammas
language : en
Publisher: News Circle
Release Date : 1996
Intraocular Lens Power Calculations written by H. John Shammas and has been published by News Circle this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Eye categories.
A Scan Axial Eye Length Measurements
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Author : Sandra Frazier Byrne
language : en
Publisher:
Release Date : 1995
A Scan Axial Eye Length Measurements written by Sandra Frazier Byrne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Medical categories.
Mastering The Techniques Of Iol Power Calculations Second Edition
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Author : Robert Latkany
language : en
Publisher: Jaypee Brothers Medical Publishers Pte Limited
Release Date : 2009-08-14
Mastering The Techniques Of Iol Power Calculations Second Edition written by Robert Latkany and has been published by Jaypee Brothers Medical Publishers Pte Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-14 with Medical categories.
Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Presents all aspects of IOL power calculations by international masters of the field. In the past, patients quietly accepted needing an eyeglass prescription after cataract surgery. That is no longer true. This textbook explains just why a more complex evaluation of the eye is needed, and will describe the state of the art in the technology used to ensure the best possible results today. IOL power calculation is a complex and important subject. A number of new formulas have come up for cataract and refractive surgeons which deliver good outcomes and provide another avenue to validate IOL selections. This international book of IOL power calculations covers all aspects of calculations from normal cornea to after refractive surgery, in Phaco/Microphaco, on irregular corneal surgace, in phakic IOLs, in corneal scarring and astigmatism, and in pediatric cataract surgery.
Iol Power
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Author : Kenneth J. Hoffer
language : en
Publisher: Slack
Release Date : 2011
Iol Power written by Kenneth J. Hoffer and has been published by Slack this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Biometry categories.
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.
Lens Implant Power Calculation
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Author : John A. Retzlaff
language : en
Publisher: Slack Incorporated
Release Date : 1990-01-01
Lens Implant Power Calculation written by John A. Retzlaff and has been published by Slack Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-01-01 with Medical categories.
This book presents the SRK power formula, the most widely used formula for implant power calculation. It also includes an extensive list of IOL manufacturers, details on biometry, & instruction for selecting the most appropriate IOL.
Intraocular Lens Surgery
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Author : Bradley Randleman
language : en
Publisher: Thieme
Release Date : 2016-06-15
Intraocular Lens Surgery written by Bradley Randleman and has been published by Thieme this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-15 with Medical categories.
Clinical Pearls on Intraocular Lens Surgery from Renowned Masters Randleman and Ahmed Ophthalmologic surgery has seen ever-evolving advancements in treatment methodologies. An expanding choice of intraocular lenses and implantation approaches has contributed to improved quality of life in people with vision impairments. Although cataract surgery has a very high success rate, unexpected complications can occur. Being prepared for challenges is integral to achieving positive outcomes. Throughout three major sections and 28 chapters, top experts share many years of combined wisdom, firsthand tips, and extensive skills acquired from utilizing and refining IOL techniques. The comprehensive, richly illustrated text and accompanying surgical videos provide invaluable training on how to handle even the most complex cases, including strategies for overcoming obstacles such as compromised capsular support. Highlights: Overview of design, materials, and technical specs for all available IOLs Analysis of next-generation IOLs Step-by-step procedural guidance on the latest surgical approaches More than 50 online videos provide real-time learning from the operating room Clinical insights on residual astigmatism, dysphotopsias, opacifications, ruptured posterior capsules, uveitis glaucoma hyphema (UGH) syndrome, and iris defects This book is a remarkable hands-on learning tool for anterior segment, cornea, refractive surgery, and glaucoma training and a must-have resource for every ophthalmologic resident, fellow, and practicing clinician.
Intraocular Lens Surgery
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Author : J. Bradley Randleman
language : en
Publisher: Thieme
Release Date : 2015-12-16
Intraocular Lens Surgery written by J. Bradley Randleman and has been published by Thieme this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-16 with Medical categories.
Clinical Pearls on Intraocular Lens Surgery from Renowned Masters Randleman and Ahmed Ophthalmologic surgery has seen ever-evolving advancements in treatment methodologies. An expanding choice of intraocular lenses and implantation approaches has contributed to improved quality of life in people with vision impairments. Although cataract surgery has a very high success rate, unexpected complications can occur. Being prepared for challenges is integral to achieving positive outcomes. Throughout three major sections and 28 chapters, top experts share many years of combined wisdom, firsthand tips, and extensive skills acquired from utilizing and refining IOL techniques. The comprehensive, richly illustrated text and accompanying surgical videos provide invaluable training on how to handle even the most complex cases, including strategies for overcoming obstacles such as compromised capsular support. Highlights: Overview of design, materials, and technical specs for all available IOLs Analysis of next-generation IOLs Step-by-step procedural guidance on the latest surgical approaches More than 50 online videos provide real-time learning from the operating room Clinical insights on residual astigmatism, dysphotopsias, opacifications, ruptured posterior capsules, uveitis glaucoma hyphema (UGH) syndrome, and iris defects This book is a remarkable hands-on learning tool for anterior segment, cornea, refractive surgery, and glaucoma training and a must-have resource for every ophthalmologic resident, fellow, and practicing clinician.