Comparison Of Quality Of Vision After Bifocal And Extended Depth Of Focus Intraocular Lens Implantation
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Comparison Of Quality Of Vision After Bifocal And Extended Depth Of Focus Intraocular Lens Implantation
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Author : 趙振程
language : en
Publisher:
Release Date : 2020
Comparison Of Quality Of Vision After Bifocal And Extended Depth Of Focus Intraocular Lens Implantation written by 趙振程 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Comparison Of Two Extended Depth Of Focus Intraocular Lenses With A Monofocal Lens A Multi Centre Randomised Trial
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Author : Thomas Reinhard
language : en
Publisher:
Release Date : 2021
Comparison Of Two Extended Depth Of Focus Intraocular Lenses With A Monofocal Lens A Multi Centre Randomised Trial written by Thomas Reinhard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Abstract: Purpose The AT LARA 829MP is a next-generation extended depth of focus (EDOF) intraocular lens (IOL) providing continuous vision over a range of distances. The aim of this prospective multi-centre randomised trial was to compare two EDOF IOLs and one monofocal IOL. Methods Cataract patients between 50 and 80 years were randomised for bilateral implantation with either the AT LARA 829MP (EDOF), the TECNIS Symfony (EDOF) or the CT ASPHINA 409MP (monofocal). Follow-up was at 1 to 2 weeks, 1 month and 4 to 6 months. Results A total of 211 patients were randomised and included in the final analysis. Monocular depth of focus was significantly better for AT LARA 829MP eyes compared with that for TECNIS Symfony at all thresholds (p = 0.024, 0.001 and 0.006, for 0.1, 0.2 and 0.3 logMAR respectively) with no significant difference for binocular depth of focus. LARA eyes had significantly better monocular depth of focus at all levels compared with ASPHINA eyes (all p 0.0001), while there was no significant difference between Symfony and ASPHINA eyes at 0.1 logMAR and 0.2 logMAR. Both EDOF IOLs were significantly better than the monofocal ASPHINA at all levels for binocular depth of focus (LARA: all p 0.0001; Symfony: all p = 0.002). Distance visual acuity was similar for all IOLs at 6 months; intermediate and near visual acuity were significantly better for the EDOF IOLs than for the monofocal (p 0.0001). Refraction improved in all groups relative to baseline. Contrast sensitivity was higher with the CT ASPHINA 409MP but both EDOF lenses had a better spectacle independence rate. At 6 months, all IOLs were well centred with no cases of tilt. No general safety issues were raised for any of the groups.
Multifocal Intraocular Lenses
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Author : Jorge L. Alió
language : en
Publisher: Springer Nature
Release Date : 2019-08-30
Multifocal Intraocular Lenses written by Jorge L. Alió and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-30 with Medical categories.
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.
Intraocular Lens Implantation
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Author : Emanuel S. Rosen
language : en
Publisher: Mosby
Release Date : 1984
Intraocular Lens Implantation written by Emanuel S. Rosen and has been published by Mosby this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Medical categories.
Addressing The Unmet Needs Of Cataract Patients When Quality Of Vision Can Make The Difference In Quality Of Life
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Author : Rita Mencucci
language : en
Publisher: Frontiers Media SA
Release Date : 2023-10-13
Addressing The Unmet Needs Of Cataract Patients When Quality Of Vision Can Make The Difference In Quality Of Life written by Rita Mencucci 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 2023-10-13 with Medical categories.
Due to the ageing population, the need for cataract surgery is increasing very steeply in line with demographic change. Cataract surgery is a highly successful and cost-effective intervention, but the implantation of conventional monofocal intraocular lenses (IOLs) only allows a restoration of distance vision, with minimal postoperative functionality of near and intermediate vision, which are necessary for many common daily tasks. Although the removal of the opacified crystalline lens has been demonstrated to have a very positive impact on the mental health, daily functioning, and Quality of Life (QoL) of patients, it is not surprising that the poor visual restoration achieved with conventional monofocal IOLs at different near and intermediate distances might limit patient functioning and consequently QoL, considering changing lifestyles and increased working years. Therefore, this has led to a growing interest toward IOLs that may also reduce spectacle dependence for intermediate and near distances.
Quality Of Vision
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Author : Jack T. Holladay
language : en
Publisher: SLACK Incorporated
Release Date : 2007
Quality Of Vision written by Jack T. Holladay and has been published by SLACK Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Eye categories.
Good vision is more than 20/20 on a Snellen visual acuity chart. The modern ophthalmologist understands that contrast sensitivity, near and distance vision, performance under light and dark conditions, and the brain's interpretation of input from the sensory apparatus, are all important elements in patients' quality of vision. In Quality of Vision: Essential Optics for the Ophthalmic Surgeon, ophthalmologist and optics expert Dr. Jack T. Holladay explores the elements of vision that lie beyond Snellen testing. He explains the Quality of Vision addresses: - Measuring and treating astigmatism in corneal and IOL surgery - The importance of correcting spherical aberration in cataract and refractive surgery - IOL calculations after refractive surgery - Promising approaches to the correction of presbyopia - Other practical topics the clinician can use every day Recognized as the leader in ophthalmic optics, Dr. Holladay incorporates practical aspects of daily practice into each chapter as he expertly explains the scientific principles, mathematical formulas, and theories behind these important issues. Additionally, Quality of Vision includes numerous color illustrations to provide visual representations of the text's key points. Dr. Holladay discusses what's on everyone's mind: - How to take the best measurements and perform the best calculations to ensure good outcomes in cataract and refractive surgery - How neural adaptation can improve outcomes - How today's excimer laser systems deliver excellent optical correction, and why tomorrow's systems will perform even better Quality of Vision: Essential Optics for the Ophthalmic Surgeon is the most complete and practical reference for ophthalmologists looking to increase their understanding of optical physics and their ability to deliver good vision to their patients after cataract and refractive surgery.
Modern Cataract Surgery
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Author : Thomas Kohnen
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2002-01-01
Modern Cataract Surgery written by Thomas Kohnen and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-01 with Medical categories.
New cataract removal techniques, anesthesia and viscoelastic substances, and the implantation of modern intraocular lenses are essential topics in the fast developing field of ophthalmic surgery. This publication provides a comprehensive update discussing these items thoroughly. Special emphasis is given to the management of mature cataract and phacoemulsification in the vitreous cavity. Intraocular lens calculation is highlighted by optical coherence biometry, in particular, the measurements to increase the predictability of intraocular lens implantation. Implantation techniques, incision architecture and wound construction as well as Scheimpflug-photography of foldable intraocular lenses and the prevention of PCO (posterior capsular opacification) are covered. The last two articles emphasize the implantation of special intraocular lenses including piggyback intraocular lens and multifocal intraocular lens implantation. Anterior eye segment surgeons looking for an update on modern cataract surgery will find a wealth of timely information on new techniques and results in small incision cataract surgery in this publication.
Current Concepts In Ophthalmology
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Author : Andrzej Grzybowski
language : en
Publisher: Springer Nature
Release Date : 2019-10-31
Current Concepts In Ophthalmology written by Andrzej Grzybowski and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-31 with Medical categories.
This book casts light on the most recent and significant changes and challenges in Ophthalmology over the last years. It provides essential and relevant new information and improvements on the main areas of Ophthalmology. Current Concepts of Ophthalmology elaborates on recent developments in Refractive and Cataract surgery, Cornea transplants, Neuro-Ophthalmology and many more. Based on increasing professional subject specialisation, this book offers the opportunity to stay up-to-date with areas outside of the own specific sub-specialty. Further, it traces issues and useful information to understand the trends and areas of future interest. Written by renowned experts of the respective fields, readers will discover a concise update on modern ophthalmology.
Current Advances In Ophthalmic Technology
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Author : Parul Ichhpujani
language : en
Publisher: Springer Nature
Release Date : 2019-08-31
Current Advances In Ophthalmic Technology written by Parul Ichhpujani and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-31 with Medical categories.
This book provides an overview of the latest technological advances in various ophthalmology subspecialties: from the latest glaucoma shunt devices to mobile adaptors for posterior segment evaluation, this book has it all. It gives readers a valuable head start for adopting the uber-new and cutting-edge products now available on the market. Being familiar with these new products and technologies will help both new and established ophthalmologists make effective and efficient choices, while also helping their practices stand out from the crowd. Perhaps no other branch of medicine is as technology-oriented as ophthalmology: be it lasers, fiber optics, robotics, stem cells or nanoparticles, every cutting-edge step that “Research and Development” takes is rapidly integrated into everyday eye practice.As part of the series “Current Practices in Ophthalmology”, this volume is intended for residents, fellows-in-training, generalist ophthalmologists, specialists and vision science researchers alike.
Albert And Jakobiec S Principles And Practice Of Ophthalmology
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Author : Daniel M. Albert
language : en
Publisher:
Release Date : 2022
Albert And Jakobiec S Principles And Practice Of Ophthalmology written by Daniel M. Albert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Keeping up to date with advances in comprehensive ophthalmology and in the ophthalmic sub-specialties is extremely difficult because of the accelerating rapidity with which new information and technology become available and the diminishing time and opportunity for practitioners and trainees to read and learn. The first edition of Albert and Jakobiec's Principles and Practice (1994) was conceived with the idea of utilizing an electronic, updated version in which the chapters were revised by the chapter authors on an annual or semi-annual basis, but the technology was not sufficiently advanced to achieve this goal. Subsequent editions (2000 and 2008) were organized by Saunders and the last published by Elsevier (of which Springer has obtained the complete rights to move forward with the 4th edition). For nearly three decades, this text has provided its readers with authoritative and comprehensive coverage of clinical ophthalmology, written and edited by a group of authors who represented a "Who's Who" in ophthalmology. By using Springer's Meteor platform, with its ability to allow authors and editors access to updating their chapters online annually/semi-annually, and with the recruitment of select chapter authors, this work's usefulness as the standard text in ophthalmology will be maintained and expanded upon by Springer. The 4th edition of this comprehensive and authoritative text is written by hundreds of the most distinguished authorities from around the world and edited by four leaders in the field, providing today's best answers to every question that arises in ophthalmology practice. Richly illustrated with thousands of high quality, full color, clinically-relevant images, Albert and Jakobiec's Principles and Practice of Ophthalmology, 4th Edition covers every scientific and clinical principle in ophthalmology, ensuring that the reader will always be able to find the guidance needed to diagnose and manage patients' ocular problems and meet today's standards of care. Written for practicing ophthalmologists and trainees, this book delivers in-depth guidance on new diagnostic approaches, operative techniques, and treatment options, as well as coherent explanations of new scientific concept and its clinical importance. The 4th edition will prove to be the source every practicing clinician needs to efficiently and confidently overcome any clinical challenge they may face. Updates include new chapters on anterior and posterior segment diseases, as well as chapters more focused on treatment, plus thousands of new, high-quality, color images and illustrations, updated references, and information on the most cutting-edge technology used by clinicians in their practices today. Additionally, readers will enjoy the same, user-friendly, full-color design they remember from the previous edition, complete with many at-a-glance summary tables, algorithms, boxes, and diagrams that allow the reader to locate the assistance needed more rapidly than ever. .