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تعداد نتایج: 693

Intraocular Lens Power Calculations

$The selection of appropriate formulas and surgical techniques is vitally important to best fulfill each patient's visual needs and expectations. With over 30 years of experience, H. John Shammas, MD clearly explains the importance of intraocular lens (IOL) power calculations during preoperative cataract evaluation and their role in positively improving surgical outcomes. Intraocular Lens Power Calculations addresses both currently used and the latest, more advanced formulas. To fully understand the application of these formulas in various situations, thorough explanations are provided. Numerous highlighted clinical applications, case reports, figures, and tables are also utilized to illustrate and reinforce key points. This well-organized text contains the most up-to-date information on axial length measurement, biometry units, constants, and ways to avoid errors. IOL power calculations and selection are included for an array of conditions ranging from the normal phakic eye to the more challenging high myopic and high hyperopic eyes, piggyback implantation, intumescent cataract, and the aphakic eye. Intraocular Lens Power Calculations updates surgeons, technicians, and students on all the techniques and formulas available to achieve the most accurate and precise calculations, thus paving the way for surgical results that fulfill patients' visual needs. Topics Include: New formulas including Holladay, Olsen, and Haigis IOL power calculations after corneal refractive surgery Calculating for emmetropia and iseikonia High precision A-scan biometry B-mode guided biometry Optical coherence biometry Selecting the proper IOL power$

جزئیات و درخواست

By H. John Shammas
Publisher: SLACK Incorporated, 2004
Pages: 248
Language: en
ISBN_10:1556426526
ISBN_13:9781556426520
Subject: Medical

Intraocular Lens Calculations

$Zusammenfassung: Cataract surgery, with 25-30 million surgeries per year, has become one of most popular surgeries in the world. The calculation of its power is of utmost importance. As new premium intraocular lenses (IOLs) and modern surgical techniques have been developed, the demand has grown exponentially - not only for eliminating cataracts, but also for getting rid of the need for glasses. This book offers a comprehensive overview of IOL power calculations and its various formulas and methods. Chapters discuss use of the diagnostic biometry devices that provide the measurements and the management of different clinical situations where particular modifications must be applied. Chapters also discuss the newest generation of multifocal and toric IOLs that can only be implanted if no residual refraction is planned for, which implies a perfect mastery of all the IOL calculation process. This book marks the first time in ophthalmological history that all the main leaders in the field have collaborated in a project that will undoubtedly be the reference for the next ten years. Intraocular Lens Calculations is a must-have resource for cataract and refractive surgeons as well as technicians and anyone dealing with this subject$

جزئیات و درخواست

By Jaime Aramberri
Publisher: Springer Nature, 2024
Pages: 1002
Language: en
ISBN_13:9783031506666
ISBN_10:3031506669
Subject: Intraocular lenses

IOL Power

$IOL Power by Kenneth J. Hoffer, MD will be the definitive resource worldwide for ophthalmologists who strive to increase the accuracy for all IOL calculations,especially for multifocal IOLs and overcoming the challenges that arise when treating patients that have had laser refractive surgery, such as RK, PRK, LASIK, and LASEK. Inside the pages of IOL Power, Dr. Hoffer is joined by some of the most respected international physicians and physicists in the field of IOL power such as Aramberri, Haigis, Norrby, Olsen and Shammas. Together their expertise, spanning over 35 years, makes even the most difficult subjects easy to understand. This volume will become the definitive reference source on the subject of IOL power calculation. Some topics include: Ultrasound velocities for axial length measurement Optical AL (IOLMaster and Lenstar) in difficult eyes Manual and automatic keratometry and instrumentation Topography & Scheimpflug camera corneal power Value of theoretic formulas Formula personalization Multifocal and toric IOLs Aspheric IOLs Effect of IOL tilt on astigmatism Chapters Cover: All aspects of obtaining the most accurate biometry Available modern calculation formulas Latest instruments Problems that can arise, how to prevent and repair them IOL Power by Kenneth J. Hoffer, MD is structured in a logical manner so as to cover every facet of IOL power from the basics to the most complicated subjects to achieve the most accurate and precise calculations and should be in the hands of all ophthalmic surgeons, technicians, residents and students.$

جزئیات و درخواست

By Kenneth Hoffer
Publisher: CRC Press, 2024-06-01
Pages: 280
Language: en
ISBN_13:9781040141885
ISBN_10:1040141889
Subject: Medical

IOL Power

$IOL Power by Kenneth J. Hoffer, MD will be the definitive resource worldwide for ophthalmologists who strive to increase the accuracy for all IOL calculations, especially for multifocal IOLs and overcoming the challenges that arise when treating patients that have had laser refractive surgery, such as RK, PRK, LASIK, and LASEK. Inside the pages of IOL Power, Dr. Hoffer is joined by some of the most respected international physicians and physicists in the field of IOL power such as Aramberri, Haigis, Norrby, Olsen and Shammas. Together their expertise, spanning over 35 years, makes even the most difficult subjects easy to understand. This volume will become the definitive reference source on the subject of IOL power calculation. Some topics include: - Ultrasound velocities for axial length measurement - Optical AL (IOLMaster and Lenstar) in difficult eyes - Manual and automatic keratometry and instrumentation - Topography & Scheimpflug camera corneal power - Value of theoretic formulas - Formula personalization - Multifocal and toric IOLs - Aspheric IOLs - Effect of IOL tilt on astigmatism Chapters Cover: - All aspects of obtaining the most accurate biometry - Available modern calculation formulas - Latest instruments - Problems that can arise, how to prevent and repair them IOL Power by Kenneth J. Hoffer, MD is structured in a logical manner so as to cover every facet of IOL power from the basics to the most complicated subjects to achieve the most accurate and precise calculations and should be in the hands of all ophthalmic surgeons, technicians, residents and students.$

جزئیات و درخواست

By Kenneth J. Hoffer
Publisher: CRC Press, 2011
Language: en
ISBN_10:1556429886
ISBN_13:9781556429880
Subject: Medical

Intraocular Lens Surgery

Selection, Complications, and Complex Cases

$Clinical Pearls on Intraocular Lens Surgery from Renowned Masters Randleman and Ahmed Ophthalmologic surgery has seen ever-evolving advancements in treatment methodologies. An expanding choice of intraocular lenses and implantation approaches has contributed to improved quality of life in people with vision impairments. Although cataract surgery has a very high success rate, unexpected complications can occur. Being prepared for challenges is integral to achieving positive outcomes. Throughout three major sections and 28 chapters, top experts share many years of combined wisdom, firsthand tips, and extensive skills acquired from utilizing and refining IOL techniques. The comprehensive, richly illustrated text and accompanying surgical videos provide invaluable training on how to handle even the most complex cases, including strategies for overcoming obstacles such as compromised capsular support. Highlights: Overview of design, materials, and technical specs for all available IOLs Analysis of next-generation IOLs Step-by-step procedural guidance on the latest surgical approaches More than 50 online videos provide real-time learning from the operating room Clinical insights on residual astigmatism, dysphotopsias, opacifications, ruptured posterior capsules, uveitis glaucoma hyphema (UGH) syndrome, and iris defects This book is a remarkable hands-on learning tool for anterior segment, cornea, refractive surgery, and glaucoma training and a must-have resource for every ophthalmologic resident, fellow, and practicing clinician.$

جزئیات و درخواست

By Bradley Randleman, Iqbal Ike K Ahmed
Publisher: Thieme, 2016-06-15
Pages: 741
Language: en
ISBN_13:9781638531180
ISBN_10:1638531188
Subject: Medical

A-scan Axial Eye Length Measurements

A Handbook for IOL Calculations

جزئیات و درخواست

By Sandra Frazier Byrne
1995
Pages: 164
Language: en
OTHER:UOM:39015037692293
Subject: Medical

Intraocular Lens Surgery

Selection, Complications, and Complex Cases

جزئیات و درخواست

By J. Bradley Randleman, Iqbal Ike K. Ahmed
Publisher: Thieme, 2015-12-16
Pages: 742
Language: en
ISBN_13:9781626231313
ISBN_10:1626231311
Subject: Medical

Astigmatism

Optics, Physiology and Management

$This book explores the development, optics and physiology of astigmatism and places this knowledge in the context of modern management of this aspect of refractive error. It is written by, and aimed at, the astigmatism practitioner to assist in understanding astigmatism and its amelioration by optical and surgical techniques. It also addresses the integration of astigmatism management into the surgical approach to cataract and corneal disease including corneal transplantation.$

جزئیات و درخواست

By Michael Goggin
Publisher: BoD – Books on Demand, 2012-02-29
Pages: 322
Language: en
ISBN_13:9789535102304
ISBN_10:9535102303
Subject: Medical

Refractive Lens Surgery

$Refractive Lens Surgery$

جزئیات و درخواست

By Howard Fine I, Mark Packer, Richard Hoffman
Publisher: Springer Science & Business Media, 2005-12-06
Pages: 240
Language: en
ISBN_13:9783540283003
ISBN_10:3540283005
Subject: Medical

Pediatric Cataract Surgery and IOL Implantation

A Case-Based Guide

جزئیات و درخواست

By Courtney L. Kraus
Publisher: Springer Nature, 2020-06-04
Pages: 272
Language: en
ISBN_13:9783030389383
ISBN_10:3030389383
Subject: Medical

Pediatric Lens Diseases

جزئیات و درخواست

By Yizhi Liu
Publisher: Springer, 2016-12-01
Pages: 377
Language: en
ISBN_13:9789811026270
ISBN_10:9811026270
Subject: Medical

Advances in Emerging Trends and Technologies

Volume 1

جزئیات و درخواست

By Miguel Botto-Tobar, Joffre León-Acurio, Angela Díaz Cadena, Práxedes Montiel Díaz
Publisher: Springer Nature, 2019-10-12
Pages: 567
Language: en
ISBN_13:9783030320225
ISBN_10:3030320227
Subject: Technology & Engineering

Multifocal Intraocular Lenses

The Art and the Practice

$This comprehensive 2nd edition will build on the highly successful first edition, providing an updated global perspective of the fundamentals of multifocal intraocular lenses. The varying outcomes, limitations, and the neuroadaptation process necessary for an adequate clinical success are thoroughly discussed, along with an overview of the different types of multifocal lenses, including the recently developed extended depth of focus lenses. Multifocal Intraocular Lenses: The Art and the Practice, 2nd edition opens with an introduction that will delve into current technological offerings for the correction of pseudophakic presbyopia, as well as the opportunity for refractive lens exchange in advanced presbyopic ages and the opportunity to use these lenses. The first section will include the historical background and clinical indications, while section two addresses the varying types and models of lenses currently available, including important clinical and technological highlights. Section three and four will follow, and provide an extended look at the Zeiss and Alcon Family Multifocal IOL’s. Section five will delve into extended depth of field lenses, and will contain an introduction about the concept, different models and the evidence available about their outcomes. Section six concludes the book, closely examining accommodative intraocular lenses, and a full update will be provided on these lenses, the failures of the past and the hopes for the future. Multifocal Intraocular Lenses: The Art and the Practice, 2nd edition is a thorough, resource for the practical ophthalmologist and ophthalmic surgeon interested in learning more about intraocular lenses, identifying the best technologies and lenses for the benefit of their patients.$

جزئیات و درخواست

By Jorge L. Alió, Joseph Pikkel
Publisher: Springer Nature, 2019-08-30
Pages: 378
Language: en
ISBN_13:9783030212827
ISBN_10:3030212823
Subject: Medical

Cataract and Refractive Surgery

$Cataract and Refractive Surgery$

جزئیات و درخواست

By Thomas Kohnen, Douglas D. Koch
Publisher: Springer Science & Business Media, 2006-01-14
Pages: 332
Language: en
ISBN_13:9783540266785
ISBN_10:354026678X
Subject: Medical

The History of Modern Cataract Surgery

جزئیات و درخواست

By Marvin L. Kwitko, Charles D. Kelman
Publisher: Kugler Publications, 1998
Pages: 288
Language: en
ISBN_10:9062991548
ISBN_13:9789062991549
Subject: Medical

Essentials of Cataract Surgery

جزئیات و درخواست

By Bonnie Henderson
Publisher: CRC Press, 2024-06-01
Pages: 403
Language: en
ISBN_13:9781040137307
ISBN_10:104013730X
Subject: Medical

Artificial Intelligence in Ophthalmology

جزئیات و درخواست

By Andrzej Grzybowski
Publisher: Springer Nature, 2021-10-13
Pages: 280
Language: en
ISBN_13:9783030786014
ISBN_10:3030786013
Subject: Medical

Refractive Lens Surgery

$Refractive Lens Surgery$

جزئیات و درخواست

By Howard Fine I, Mark Packer, Richard Hoffman
Publisher: Springer Science & Business Media, 2005-07-07
Pages: 264
Language: en
ISBN_10:3540227164
ISBN_13:9783540227168
Subject: Medical

High Resolution Imaging in Microscopy and Ophthalmology

New Frontiers in Biomedical Optics

جزئیات و درخواست

By Josef F. Bille
Publisher: Springer, 2019-08-13
Pages: 411
Language: en
ISBN_13:9783030166380
ISBN_10:3030166384
Subject: Medical

Pathologic Myopia

$Pathologic Myopia is a major cause of severe vision loss worldwide. The mechanisms for vision loss include cataract, glaucoma, retinal detachment, and above all, myopic maculopathy within the posterior staphyloma. The first edition of Pathologic Myopia is one of the only current books to specifically address this disease and discusses recent developments in imaging technologies and various approaches to treatments, such as laser photocoagulation, photodynamic therapy, pharmaco-therapeutic injections in the vitreous, and surgery. This new edition is a timely update to the standard reference in the field, with new chapters on advanced refractive error correction, genetics, developing a classification system, and special surgical approaches for pathologic myopia. Complete with even more high-quality color images and informative tables, this book is written and edited by leaders in the field and is geared towards ophthalmologists, including residents and fellows in training, glaucoma and cataract specialists, and vitreoretinal macula experts.$

جزئیات و درخواست

By Richard F. Spaide, Kyoko Ohno-Matsui, Lawrence A. Yannuzzi
Publisher: Springer Nature, 2021-07-28
Pages: 455
Language: en
ISBN_13:9783030743345
ISBN_10:3030743349
Subject: Medical

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