Download or read book Intraocular Lens Power Calculations written by H. John Shammas and published by SLACK Incorporated. This book was released on 2004 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Download or read book Significance of Intraocular Lens Power Calculation written by Mohinder Singh and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book IOL Power written by Kenneth Hoffer and published by CRC Press. This book was released on 2024-06-01 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Intraocular Lens Calculations written by Jaime Aramberri and published by Springer Nature. This book was released on with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Astigmatism written by Michael Goggin and published by BoD – Books on Demand. This book was released on 2012-02-29 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Intraocular Lens Power Calculations written by H. John Shammas and published by News Circle. This book was released on 1996 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book IOL Power written by Kenneth J. Hoffer and published by Slack. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Mastering the Techniques of IOL Power Calculations Second Edition written by Robert Latkany and published by Jaypee Brothers Medical Publishers Pte Limited. This book was released on 2009-08-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Intraocular Lens Calculations written by Jaime Aramberri and published by Springer. This book was released on 2024-07-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book High Resolution Imaging in Microscopy and Ophthalmology written by Josef F. Bille and published by Springer. This book was released on 2019-08-13 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Pediatric Cataract Surgery and IOL Implantation written by Courtney L. Kraus and published by Springer Nature. This book was released on 2020-06-04 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Comparison of Various Modern Formulas for Intraocular Lens Power Calculation in Patients Post Corneal Refractive Surgery written by Lara Šošić and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book IOL Power Calculation Made Easy written by Jeewan S Titiyal and published by Jaypee Brothers Medical Publishers Pvt Limited. This book was released on 2024-03-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Pathologic Myopia written by Richard F. Spaide and published by Springer Nature. This book was released on 2021-07-28 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Lens Implant Power Calculation written by John A. Retzlaff and published by Slack Incorporated. This book was released on 1990-01-01 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Cataract and Refractive Surgery written by Thomas Kohnen and published by Springer Science & Business Media. This book was released on 2006-01-14 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: -Cataract surgery is the most frequently performed surgical intervention worldwide, and the number of refractive surgery procedures, such as LASIK, is growing rapidly -All editors are internationally known experts in the field -Well structured text and design, quick and easy to read -Bridges the gap between primary literature and daily practice, indispensable for continuous education and advanced training -Every 2nd year each volume is updated to include timely information about new developments

Download or read book Anterior Segment Optical Coherence Tomography written by Roger Steinert and published by CRC Press. This book was released on 2024-06-01 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-speed anterior segment optical coherence tomography (OCT) offers a non-contact method for high resolution cross-sectional and three-dimensional imaging of the cornea and the anterior segment of the eye. As the first text completely devoted to this topic, Anterior Segment Optical Coherence Tomography comprehensively explains both the scientific principles and the clinical applications of this exciting and advancing technology. Anterior Segment Optical Coherence Tomography enhances surgical planning and postoperative care for a variety of anterior segment applications by expertly explaining how abnormalities in the anterior chamber angle, cornea, iris, and lens can be identified and evaluated using the Visante OCTTM. Inside Anterior Segment Optical Coherence Tomography, Dr. Roger Steinert and Dr. David Huang, along with 22 of the field's leading professionals, provide a wealth of useful clinical and physiological material about this new diagnostic imaging technique. Valuable images are included to assist in the pre- and postoperative assessment of various anterior segment disorders. Additionally, this unique resource contains detailed information on biometric measurements to enhance diagnostic capability. On the leading edge of anterior segment imaging: Mapping of corneal thickness and keratoconus evaluation Measurement of LASIK flap and stromal bed thickness Visualization and measurement of anterior chamber angle and diagnosis of narrow angle glaucoma Measuring the dimensions of the anterior chamber and assessing the fit of intraocular lens implants Visualizing and measuring the results of corneal implants and lamellar procedures Imaging through corneal opacity to see internal eye structures With the increase in popularity of anterior chamber imaging, and anterior segment OCT proving to be the best tool for high resolution biometry, Anterior Segment Optical Coherence Tomography is a must-have for anterior segment, refractive, cornea, and glaucoma surgeons.