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Alcon Fitting Guide Multifocal: Navigating the Challenges and Opportunities of Presbyopia Correction
Author: Dr. Evelyn Reed, OD, FAAO
Dr. Evelyn Reed is a board-certified optometrist with over 15 years of experience specializing in refractive surgery and contact lens fitting, including extensive expertise in multifocal contact lens technology. She is a Fellow of the American Academy of Optometry and a frequent lecturer at national optometric conferences.
Publisher: Optometry Today Publications
Optometry Today Publications is a leading publisher of peer-reviewed journals and educational resources for optometrists and ophthalmologists worldwide. They are renowned for their commitment to delivering high-quality, evidence-based information on the latest advancements in eye care.
Editor: Dr. Michael Chen, OD, PhD
Dr. Michael Chen is a highly respected researcher and educator in the field of contact lens science and technology. His expertise lies in the biomechanics of contact lenses and the development of improved fitting methodologies.
Keywords: Alcon fitting guide multifocal, multifocal contact lenses, presbyopia correction, Alcon contact lenses, contact lens fitting, Alcon AquaComfort Plus Multifocal, Alcon Air Optix Multifocal, multifocal contact lens fitting guide, challenges of multifocal contact lenses, benefits of multifocal contact lenses
Introduction: Mastering the Alcon Fitting Guide Multifocal
The increasing prevalence of presbyopia, the age-related loss of near focusing ability, has driven significant innovation in contact lens technology. Multifocal contact lenses, particularly those offered by Alcon, represent a key advancement offering patients a potential solution for clear vision at all distances. However, successfully fitting Alcon multifocal contact lenses requires a thorough understanding of the Alcon fitting guide multifocal and its nuances. This article will explore both the challenges and opportunities presented by this technology, providing valuable insights for eye care professionals.
Understanding the Alcon Fitting Guide Multifocal: A Deep Dive
The Alcon fitting guide multifocal is not a single document, but rather a collection of resources and protocols specific to each of Alcon's multifocal contact lens brands. These guides incorporate detailed information on lens parameters, fitting philosophies, and troubleshooting strategies. Key elements typically included are:
Lens Geometry and Design: A comprehensive description of the lens design, including aspheric curves, back surface toric designs, and the distribution of optical zones for near and distance vision. Understanding these aspects is crucial for selecting the appropriate lens power and geometry for individual patients.
Material Properties: The Alcon fitting guide multifocal highlights the material properties of each lens (e.g., silicone hydrogel vs. hydrogel), explaining their impact on oxygen transmissibility, comfort, and overall wearability. This informs the choice of lens based on the patient's specific needs and lifestyle.
Fitting Algorithms and Parameters: The guides often provide detailed fitting algorithms, including starting parameters based on the patient's refractive error, keratometry readings, and pupillary distance. This structured approach minimizes the trial-and-error process and helps ensure optimal initial fitting.
Troubleshooting Strategies: The Alcon fitting guide multifocal provides guidance on common fitting challenges, such as decentration, glare, halos, and reduced visual acuity. Understanding these issues and their potential causes enables effective adjustments and optimization of the lens fit.
Patient Selection Criteria: Determining which patients are suitable candidates for multifocal contact lenses is crucial. The Alcon fitting guide multifocal helps identify patients who are likely to experience success with multifocal lenses based on their age, refractive error, visual demands, and overall health.
Challenges in Utilizing the Alcon Fitting Guide Multifocal
Despite the comprehensive nature of the Alcon fitting guide multifocal, several challenges remain:
Individual Patient Variability: Even with detailed fitting algorithms, individual patient responses to multifocal lenses can vary significantly. Factors such as pupil size, lens centration, and adaptation capabilities influence the final outcome, requiring careful monitoring and adjustments.
Complexity of Fitting Process: The multifocal fitting process is inherently more complex than fitting single-vision lenses. This requires greater expertise and experience from the practitioner, as well as patience from the patient.
Adaptation Period: Some patients require an adaptation period to acclimate to multifocal lenses. This period may involve fluctuating vision quality and requires regular follow-up appointments to monitor progress and address any concerns.
Cost and Availability: Multifocal contact lenses are generally more expensive than single-vision lenses, potentially affecting patient accessibility.
Opportunities Presented by the Alcon Fitting Guide Multifocal
Despite the challenges, the Alcon fitting guide multifocal opens up significant opportunities for both eye care professionals and patients:
Improved Quality of Life: Successful fitting of Alcon multifocal contact lenses can significantly improve the quality of life for presbyopic patients, allowing them to enjoy clear vision at all distances without the need for reading glasses or bifocals.
Enhanced Patient Satisfaction: When properly fitted, Alcon multifocal contact lenses offer a comfortable and convenient solution for presbyopia, leading to increased patient satisfaction and improved compliance.
Technological Advancements: Continuous advancements in material science and lens design are constantly refining multifocal technology, leading to improved performance and comfort. The Alcon fitting guide multifocal reflects these advancements, ensuring that practitioners have access to the latest innovations.
Expanding Patient Base: As awareness of multifocal contact lenses grows, so too does the potential patient base. Mastering the Alcon fitting guide multifocal allows practitioners to expand their services and cater to a wider range of patients.
Conclusion
The Alcon fitting guide multifocal is an essential tool for eye care professionals seeking to provide optimal presbyopia correction with contact lenses. While challenges exist, a thorough understanding of the guide, combined with clinical expertise and patient education, can lead to successful fitting outcomes and enhance the lives of countless individuals. Continuous learning and refinement of fitting techniques are crucial to maximize the benefits of this valuable technology.
FAQs
1. What is the difference between Alcon Air Optix Multifocal and Alcon AquaComfort Plus Multifocal? The key differences lie in material properties and design features. Air Optix Multifocal uses a silicone hydrogel material offering high oxygen permeability, while AquaComfort Plus Multifocal utilizes a hydrogel material. Each has distinct design features impacting comfort and visual performance. The Alcon fitting guide multifocal will detail these differences.
2. How long does it usually take to adapt to Alcon multifocal contact lenses? Adaptation time varies greatly between individuals, ranging from a few days to several weeks. Regular follow-up appointments are crucial during this period.
3. Can everyone wear Alcon multifocal contact lenses? No, patient selection is crucial. Certain conditions may preclude the use of multifocal lenses. The Alcon fitting guide multifocal outlines appropriate patient selection criteria.
4. What are the common side effects of Alcon multifocal contact lenses? Common side effects include glare, halos, and fluctuating vision. These are often temporary and resolve with adaptation.
5. How often should I replace Alcon multifocal contact lenses? Replacement schedules vary depending on the specific lens type. The Alcon fitting guide multifocal specifies the recommended replacement frequency for each lens.
6. What should I do if I experience discomfort with my Alcon multifocal contact lenses? Contact your eye care professional immediately. Discomfort could indicate a problem with the lens fit or a potential complication.
7. Are Alcon multifocal contact lenses covered by insurance? Insurance coverage varies depending on the policy. Check with your insurance provider to determine coverage.
8. How much do Alcon multifocal contact lenses cost? The cost depends on the specific lens type and the quantity purchased. Prices can vary significantly between suppliers.
9. How do I find an eye care professional experienced in fitting Alcon multifocal contact lenses? You can contact your local optometrists or ophthalmologists and inquire about their experience with multifocal contact lens fitting. The Alcon website may also provide a directory of practitioners.
Related Articles:
1. Alcon Air Optix Multifocal Review: A detailed review of the Alcon Air Optix Multifocal contact lenses, covering performance, comfort, and user experiences.
2. Alcon AquaComfort Plus Multifocal Review: Similar to the Air Optix review, but focused on the AquaComfort Plus Multifocal lenses.
3. Comparing Alcon Multifocal Contact Lenses to Other Brands: An objective comparison of Alcon multifocal lenses with competing brands, examining key differences and advantages.
4. Troubleshooting Common Problems with Alcon Multifocal Contact Lenses: A focused guide addressing specific challenges encountered during fitting and wear, offering practical solutions.
5. The Role of Patient Education in Successful Alcon Multifocal Lens Fitting: Examines the importance of comprehensive patient education in ensuring successful adaptation and outcomes.
6. Advanced Techniques for Fitting Alcon Multifocal Contact Lenses: Exploring more advanced fitting methods and strategies for challenging cases.
7. Long-Term Outcomes of Alcon Multifocal Contact Lens Wear: A study reviewing the long-term effects and performance of Alcon multifocal lenses.
8. Cost-Effectiveness Analysis of Alcon Multifocal Contact Lenses: An analysis comparing the cost-effectiveness of multifocal lenses versus other presbyopia correction methods.
9. The Impact of Pupil Size on Alcon Multifocal Contact Lens Performance: A detailed examination of how pupil size affects the visual outcome and fitting success of Alcon multifocal lenses.
| alcon fitting guide multifocal: Clinical Manual of Contact Lenses Edward S. Bennett, Vinita Allee Henry, 2019-09-09 Up to date, easy to use, and well-illustrated,Clinical Manual of Contact Lenses, 5th Edition, helps both students and practitioners fit, evaluate, and troubleshoot contact lens issues in everyday practice. Written by renowned experts in the field, this practical guide is designed for quick access to key information, and includes sample cases, nomograms, and proficiency checklists that summarize and emphasize important points. Thoroughly revised content ensures you'll have the most current guidance on rigid gas permeable lens design and fitting, soft lens problem solving, orthokeratology, bifocal correction, and much more. |
| alcon fitting guide multifocal: Contact Lenses Johannes Karl Fink, 2022-01-24 CONTACT LENSES The book focuses on the chemistry and properties of contact lenses and their fabrication methods. With research & development continuing in the field, this comprehensive book takes a look at the last 10 years in terms of new materials, chemistry methods, applications, and fabrication techniques. New applications include drug delivery, lenses for augmented reality, electronic contact lenses, and wearable smart contact lenses. In addition, the book discusses simulation methods for contact lenses, such as ocular topography parameters, gas permeable lenses, and computerized videokeratography. On the fabrication front, several common fabrication methods for contact lenses are detailed, including the computer-aided contact lens design, methods for the fabrication of colored contact lenses, and the fabrication of decentered contact lenses. Special processes are reviewed, including, mold processes, reactive ion etching, electrospinning, and others. Also discussed are the properties of contact lenses and methods for the measurement. Many of the standard methods are discussed, but other issues are taken up too including a discussion on the assessment of cytotoxic effects, the Schirmer tear test, and others. The book concludes with a chapter detailing the possible medical problems related to contact lenses and how to avoid them. These include eye diseases, allergic and toxic reactions, as well as methods for medical treatment such as disinfection agents. Audience The book will be used by chemists, polymer scientists, ophthalmologists, engineers in the contact lens industry as well as polymer industries. |
| alcon fitting guide multifocal: The Ophthalmic Assistant E-Book Harold A. Stein, Raymond M. Stein, Melvin I. Freeman, Rebecca Stein, 2021-12-28 Covering all the knowledge and skills needed for everyday duties as well as success on certification and recertification exams, The Ophthalmic Assistant, 11th Edition, is an essential resource for allied health personnel working in ophthalmology, optometry, opticianry, and other eye care settings. Drs. Harold A. Stein, Raymond M. Stein, and Melvin I. Freeman are joined by new editor Dr. Rebecca Stein and several new contributing authors who provide practical, up-to-date guidance on ocular diseases, surgical procedures, medications, and equipment, as well as paramedical procedures and office management for today's practice. This outstanding reference and review tool provides essential knowledge and guidance for ophthalmic assistants, technicians, and technologists as critical members of the eye care team. - Keeps you up to date with coverage of key topics such as topography-guided PRK, cataract surgery with multifocal IOLs to treat presbyopia, and OCT and OCTA, as well as the latest information on basic science, new testing procedures and equipment, and two new chapters on refractive surgery and eye banking. - Provides full-color visual guidance for identification of ophthalmic disorders, explanations of difficult concepts, and depictions of the newest equipment used in ophthalmology and optometry—more than 1,000 images in all. - Features more than 400 interactive multiple-choice review questions that test your knowledge and understanding of key concepts. - Includes a bonus color-image atlas that tests your clinical recognition of disease and disorders of the eye. - Contains convenient quick-reference appendices with hospital/practice forms for more efficient patient record keeping, conversion tables, and numerous language translations, plus information on ocular emergencies, pharmaceuticals, and more. - Enhanced eBook version included with purchase. Your enhanced eBook allows you to access all of the text, figures, and references from the book on a variety of devices. |
| alcon fitting guide multifocal: Contact Lens: Fitting Guide Ajay Kumar Bhootra, 2014-01-30 This book is a concise guide to contact lens fitting for optometrists and trainees. Beginning with an introduction to contact lenses and the pre-contact lens fitting eye examination, making sure a patient is suitable for wearing contact lenses, the following chapters describe the fitting of different types of corrective lens – soft, toric and rigid gas permeable. Separate chapters examine the use of therapeutic contact lenses, used to protect the eye whilst it heals after injury or infection, rather than to correct vision; and lenses for presbyopia, age-related long-sightedness. Key points Concise guide to contact lens fitting for optometrists and trainees Detailed discussion on pre-contact lens fitting eye exam and patient suitability Describes various types of corrective lenses Includes chapters on therapeutic lenses and contact lenses for presbyopia |
| alcon fitting guide multifocal: The Medical and Healthcare Marketplace Guide Adeline B. Hale, Arthur B. Hale, 1991 |
| alcon fitting guide multifocal: Clinical Manual of Contact Lenses Edward S. Bennett, Vinita Allee Henry, 2013-08-20 Designed to be used as a quick reference, this fourth edition of the Clinical Manual of Contact Lenses allows readers to easily find the topic and information they need without having to search through an entire chapter to find it. Rigid gas permeable lens design and fitting, soft lens problem-solving, astigmatic management, and bifocal correction are just a few of the subjects covered in this manual. Each chapter includes sample cases to reinforce and demonstrate the practical nature of the topic, with nomograms and proficiency checklists summarizing and emphasizing the important points. With this guide, students and practitioners will have a dependable resource to help fit, evaluate, and troubleshoot any contact lenses, especially specialty designs for years to come. |
| alcon fitting guide multifocal: The Contact Lens Manual Andrew Gasson, Judith Morris, 1998 The Contact Lens Manual has become established as one of the world's leading practical textbooks in the field of contact lenses for both students and experienced practitioners alike. Free CD-Rom by Tony Hough included with publication Fully revised and updated New and expanded sections |
| alcon fitting guide multifocal: Multifocal Intraocular Lenses Jorge L. Alió, Joseph Pikkel, 2019-08-30 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. |
| alcon fitting guide multifocal: The Complete Contact Lens Fitting Guide and Directory Peter R. Kastl, Joseph W. Soper, 1986 |
| alcon fitting guide multifocal: The Columbia Guide to Basic Elements of Eye Care Daniel S. Casper, George A. Cioffi, 2019-07-01 This unique resource is a practical, easy-to-use guide for the non-ophthalmologist healthcare provider as they encounter patients with eye complaints and other concerning ophthalmic conditions. The Columbia Guide to Basic Elements of Eye Care is specifically designed with the non-ophthalmologist in mind, and provides a foundation of basic eye anatomy and physiology, functional analysis, pathology, and concepts in eye care. Each chapter delivers an accessible summary of various ophthalmic diseases and conditions, all of which are frequently encountered in everyday practice. These chapters provide in-depth discussions on a wide range of topics, from testing and examination procedures to management protocols, referral guidelines and expected frequency of follow-up for each disorder. Complete with hundreds of high-quality, descriptive illustrations and clinical photographs, The Columbia Guide to Basic Elements of Eye Care presents clear, understandable explanations of basic eye anatomy, physiology, disease and treatment for non-ophthalmic practitioners and students. In doing so, this guide provides a framework for determining the normal versus the abnormal, helping the reader recognize which patients require referral, and identify which conditions are developing, require urgent treatment, or can be routinely followed. Non-ophthalmologist healthcare providers and students alike will find this book, written by leaders in the field, a practical resource to consult as they encounter patients with treatable but potentially sight-threatening conditions. |
| alcon fitting guide multifocal: Contemporary Scleral Lenses: Theory and Application Melissa Barnett, Lynette K. Johns, 2017-11-03 Contemporary Scleral Lenses: Theory and Application, provides comprehensive information about scleral lenses. Chapters of this volume have been contributed by renowned scleral lens experts and cover a variety of interesting topics. These topics include the history and evolution of scleral lenses, basic scleral lens structure, optics and customizable features of scleral lenses, analysis of ocular surface shape, ocular surface topography and advances in optometry technology. These topics give readers an explanation of how to utilize diagnostic equipment in optometry practice and enables practitioners to employ a scientific and objective approach to scleral lens fitting. Key features of this volume include: - A straightforward approach to ophthalmic examination flow, evaluation and documentation - A review of Scleral lens care and handling - Descriptions of a variety of complex medical and ocular indications for scleral lenses - Strategic tips to promote your own scleral lens practice - A unique perspective of esteemed corneal specialists regarding the collaborative care of the patient This textbook is a suitable reference for ophthalmology students and practitioners. This text will assist practitioners in enhancing their scleral lens practice by providing them useful information for improving patient vision, ocular surface rehabilitation and quality of life. |
| alcon fitting guide multifocal: Cataract Surgery from Routine to Complex Randall Olson, George Jin, Ike Ahmed, Alan Crandall, 2024-06-01 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. |
| alcon fitting guide multifocal: Contact Lens Use Under Adverse Conditions: Applications in Military Aviation Commission on Behavioral and Social Sciences and Education, 1990 |
| alcon fitting guide multifocal: Journal of the American Optometric Association American Optometric Association, 1969 |
| alcon fitting guide multifocal: Contact Lens Complications Nathan Efron, 2004 The new 2nd edition of this practical manual has been completely updated and revised to reflect the most current knowledge, research findings, technological developments, and updates in contact lens materials. With its broad coverage and systematic approach, it provides an intuitive approach to understanding, diagnosing, and treating contact lens complications. This lavishly illustrated text is recognized as a definitive resource on contact lens for practitioners and students. |
| alcon fitting guide multifocal: Contact Lens Practice E-Book Nathan Efron, 2016-11-27 In this thoroughly revised and updated third edition of Contact Lens Practice, award-winning author, researcher and lecturer, Professor Nathan Efron, provides a comprehensive, evidence-based overview of the scientific foundation and clinical applications of contact lens fitting. The text has been refreshed by the inclusion of ten new authors – a mixture of scientists and clinicians, all of whom are at the cutting edge of their specialty. The chapters are highly illustrated in full colour and subject matter is presented in a clear and logical format to allow the reader to quickly hone in the desired information. - Ideal for an optometrist, ophthalmologist, orthoptist, optician, student, or work in the industry, this book will serve as an essential companion and guide to current thinking and practice in the contact lens field. - Highlights of this edition include a new chapter on myopia control contact lenses, as well are completely rewritten chapters, by new authors, on keratoconus, orthokeratology, soft and rigid lens measurement and history taking. |
| alcon fitting guide multifocal: Contact Lenses Anthony J. Phillips, Lynne Speedwell, 2018-11-29 Completely revised with the latest advances, evidence, and standards needed for everyday practice, Contact Lenses, 6th Edition, remains a definitive work on this multi-faceted topic, ideal for optometrists, dispensing opticians, ophthalmologists, and contact lens practitioners. This classic, superbly designed text is perfectly suited for health care professionals, providing all of the essential knowledge needed in one convenient volume. - Provides up-to-date, authoritative information on contact lens materials and lens types, treatment in contact lens and tear film complications, and myopia correction and contact lenses for abnormal ocular conditions. - Discusses current topics such as miniscleral lenses, keratoconus, corneal cross linking, and paediatric, cosmetic and prosthetic contact lenses. - Contains high-quality line diagrams and clinical illustrations to highlight key points in the text. - Focuses on the evidence behind contact lens practice, enabling you to make informed choices about the care you give to your patients. |
| alcon fitting guide multifocal: Soft Lens Fitting Andrew Franklin, Ngaire Franklin, 2006-01-01 A major new series which provides authoritative and accessible information for all eye care professionals, whether in training or in practice. Each book is a rapid revision aid for students taking higer professional qualifications and a handy clinical reference guide for practitioners in busy clinics. |
| alcon fitting guide multifocal: High Resolution Imaging in Microscopy and Ophthalmology Josef F. Bille, 2019-08-13 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. |
| alcon fitting guide multifocal: Orthokeratology John Mountford, David Ruston, Trusit Dave, 2004 This unique resource demystifies the subject of orthokeratology and provides practical information for all those interested in the technique. Critical, balanced, and informative, it thoroughly evaluates the literature and evidence, gives sensible guidelines for practice, and features an international approach. This text is modern, comprehensive, and contains a wealth of color illustrations. |
| alcon fitting guide multifocal: Contact Lenses in Ophthalmic Practice Mark J. Mannis, Karla Zadnik, Cleusa Coral-Ghanem, Newton Kara-José, 2006-05-11 Even with the advances in intraocular lens technology and the growing diversity of refractive surgery techniques, the role of contact lenses in ophthalmic practice has only increased. This is due in part to the great strides in materials, technology, expanding applications (both refractive and therapeutic) for contact lenses, and the clear recognition that contact lenses will always be an important tool for the ophthalmologist. With the fitting of contact lenses as a medical art, requiring a thorough understanding of anatomy, physiology and optics of the eye, this practice is formulaic only in part. The rest of contact lens practice requires sound medical judgment and decision- making that comes only with hands-on experience. The authors address this need by starting with a didactic approach that incorporates frequently-asked questions and straightforward answers so that the ophthalmology resident, intermediate contact lens practitioner, and optometrist will find this to be an indispensable resource. |
| alcon fitting guide multifocal: Geriatric Rehabilitation Manual Timothy L. Kauffman, John O. Barr, Michael L. Moran, 2007-01-01 This manual gives step-by-step guidance on the evaluation and treatment of geriatric diseases and disorders. It covers incidence of disorders, diagnostic tests, associated diagnoses, clinical implications for mobility, and rehabilitation techniques. It offers a broad overview of the effects of aging on all body systems. Special geriatric considerations for laboratory assessment, thermoregulations, and pharmacology are also discussed. This manual is a resource for all training clinicians in geriatric care and is a quick-reference guide for students and practitioners in this field. |
| alcon fitting guide multifocal: Sports-related Eye Injuries Hua Yan, 2020-03-10 This book covers sports-related eye injuries, presenting standard processes to enable clinical practitioners to make appropriate decisions on the management of these patients. Sports-related activities are responsible for a large percentage of ocular injuries, particularly among young people, and can even lead to blindness. Given the increasing trend in these injuries and the potential functional loss they entail, it is important to understand how to prevent and to accurately diagnose and treat them. This book discusses the definition, etiology, clinical presentations and signs, treatment, and prevention of sports-related eye injuries, and includes typical clinical cases, together with a wealth of images and illustrative figures. Offering a systematic and symptom-based guide to clinical practice, it will help clinical practitioners to fully prepare for the various challenges posed by sports-related eye injuries. |
| alcon fitting guide multifocal: DSEK Francis W. Price, 2009 DSEK: What You Need to Know About Endothelial Keratoplasty provides a comprehensive background of EK, where it is today, and where it is headed in the future. Francis W. Price, MD. who was the first to complete DSEK in the United States, along with Marianne Price, PhD, have designed this text to offer a special emphasis on how to perform surgeries along with preventing and managing complications. In addition, a diverse group of contributing authors provides a wide array of insights and tips for better patient outcomes.--BOOK JACKET. |
| alcon fitting guide multifocal: Hyperopia and Presbyopia Kazuo Tsubota, Brian S. Boxer Wachler, Dimitri T. Azar, Douglas Koch, 2003-05-16 Examining established and emerging treatments for the correction of hyperopia and presbyopia, this reference offers guidance on technologies such as thermal or conductive keratoplasty, corneal implants, laser scleral relaxation, scleral expansion rings, intraocular lenses, and LASIK modifications. |
| alcon fitting guide multifocal: Medical Devices World Health Organization, 2010 Background papers 1 to 9 published as technical documents. Available in separate records from WHO/HSS/EHT/DIM/10.1 to WHO/HSS/EHT/DIM/10.9 |
| alcon fitting guide multifocal: Femtosecond Laser: Techniques and Technology , 2012-12-15 The book Femtosecond Laser: Techniques and Technology provides complete insight of Femtosecond Laser technology in various ocular indications. Refractive Surgery technology has undergone rapid advancements and innovations in last two decades. Femtosecond Laser offers new possibilities in the field of minimally invasive corneal surgery. It employs near infrared pulses to cut tissue with minimal collateral tissue damage. The highly localized tissue effect of low energy Femtosecond Laser shall expand the capabilities and precision of this technology in near future and may be used to create three-dimensional intrastromal resection with micron precision. Femtosecond laser is a simple, rapid reliable and efficient method in ophthalmology with satisfactory results for effective lens position and refractive outcome. Femtosecond laser is enjoying rapid growth in the area of cataract surgery. The Femtosecond Laser has proved its versatility in Lamellar keratoplasty, customized trephination in penetrating keratoplasty, tunnel creation for intracorneal ring segments, astigmatic keratotomy for keratoprostheses, non-invasive trans-scleral glaucoma surgery, retinal imaging presbyopic surgery and cataract surgery. Advances in ultrafast laser technology continued to improve the surgical safety, efficiency, speed and versatility of Femtosecond Lasers in Ophthalmology. Femtosecond Laser finds application in anterior and posterior segment indications of ophthalmology. |
| alcon fitting guide multifocal: Moorfields Manual of Ophthalmology Timothy L Jackson, 2019-11-30 This third edition expands on the success of the best-selling second edition to create the most practical and accessible ophthalmology manual for trainees. With its succinct, practical text, profusion of clinical photos and descriptions of procedures, the Moorfields Manual of Ophthalmology has established itself as one of the most popular and recognisable clinical resources available to ophthalmologists and optometrists. Trainee reviewers provided feedback on the second edition that guided improvements to the third edition: DESIGN Colour coded chapter tabs to improve navigation Descriptions of common procedures appear in discrete boxes, making them more prominent and accessible STRUCTURE New Triage chapter provides 15 algorithms based on common signs and symptoms, and refers readers to the relevant sections on management CONTENT All content updated in line with current best practice Key Studies sections summarising landmark trials and their relevance to clinical practice Additional and replacement photos showing better, clearer examples of clinical signs Additional colour diagrams depicting anatomic structures and procedures Selective inclusion of less common diseases and treatments |
| alcon fitting guide multifocal: The Contact Lens Manual Andrew Gasson, Judith A. Morris, 2010-07-08 The Contact Lens Manual continues to meet the needs of a new generation of optometrists, dispensing opticians, contact lens practitioners and students who require clear and reliable information for fitting a complete range of contact lenses. The fourth edition of this best-selling classic, now in full colour throughout, provides the most up-to-date guidance in all aspects of today's lenses in a practical and easy to use manual. Featuring new developments in lens types, care regimes and current practices, this manual offers a complete package to help readers expand their lens knowledge, improve fitting and optimise patient care. - The authors use a down-to-earth practical approach to distil years of experience into one handy volume. - A bullet point style makes the information easily accessible. - Key information is presented so it can be quickly located. - Practical tips, clinical pearls, helpful advice, and warnings are presented in boxes so readers can see at a glance what to do. - Features updates to all chapters and lens types with a wealth of new information on silicone hydrogels, toric soft lenses, rigid gas-permeable fitting and patient after care. - Presents a new chapter on dry eyes with expert guidance on treatment and practical management advice. - Includes an expanded illustration programme and page design with full colour throughout including colour-coded sections and boxes to highlight key information for easier learning. - Electronic access to brand new video footage of lens and eye care regimes, along with over 100 clinical photographs, images from the book, simulations and calculation tools. |
| alcon fitting guide multifocal: Low Vision Manual A. Jonathan Jackson, James S. Wolffsohn, 2007-01-01 .this book represents a real milestone for low vision care because it is one of the first low vision books in the world, and the first from the UK, that doesn't just give lip service to multi-disciplinary collaboration- it has a multi-disciplinary authorship. Barbara Ryan, Research Associate, School of Optometry and Vision Sciences, Cardiff University, Cardiff, UK Low Vision Manual is a comprehensive guide and up-to-date reference source, written by clinical and research experts in the fields of disease detection and management; primary and secondary optometric care; low vision optics and prescribing; counselling and rehabilitation. All these areas are explored in this book in four key sections: Section One: Definition of low vision and its epidemiology Section Two: The measurement of visual function of the visually impaired Section Three: The optics and practical tips on prescribing low vision aids Section Four: Rehabilitation strategies and techniques This is an important reference tool for all professionals involved with the visually impaired. The book covers everything a practitioner will need on a day-to-day basis. Clear layout with practical tips, worked examples and practical pearls will enable the front-line eye-care professional to provide patients with sound, research-based clinical care and rehabilitation. An essential reference for: . Ophthalmology . Optometry . Orthoptics . Ophthalmic nursing . Visual rehabilitation . Occupational therapy . Social work . Peer work . Psychology . Dispensing opticians |
| alcon fitting guide multifocal: Current Concepts in Ophthalmology Andrzej Grzybowski, 2019-10-31 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. |
| alcon fitting guide multifocal: Management of Cataract in Primary Health Care Services World Health Organization, 1996 Outlines a comprehensive strategy for bringing sight-restoring surgical services to the world's estimated 15.8 million persons who are needlessly blind due to cataracts. Noting the need for a public health approach to this growing problem, the book presents arguments for the use of primary-health care services as the framework for case-finding, diagnosis, referral and follow-up. Now in its second edition, this text has been revised in line with recent techniques for cataract surgery and the availability of low-cost, high-quality intra-ocular lenses in developing countries. |
| alcon fitting guide multifocal: A Synopsis of Ophthalmology John Lionel Cyril Martin-Doyle, Martin H. Kemp, 1975 |
| alcon fitting guide multifocal: WIPO Technology Trends 2019 - Artificial Intelligence World Intellectual Property Organization, 2019-01-21 The first report in a new flagship series, WIPO Technology Trends, aims to shed light on the trends in innovation in artificial intelligence since the field first developed in the 1950s. |
| alcon fitting guide multifocal: Clinical Contact Lens Practice Edward S. Bennett, Barry A. Weissman, 2005 This comprehensive text and reference addresses the full scope of contemporary contact lens science and practice. With two expert editors and 100 first-rate contributors, the book presents practitioners and students in optometry and ophthalmology with key facts on corneal anatomy, recent research, contact lens design, patient evaluation, clinical applications, patient education, and complications of contact lens wear. More than 600 illustrations complement the text. Clinical Contact Lens Practice will be the standard text for required contact lens courses and will be an invaluable everyday reference for practitioners. |
| alcon fitting guide multifocal: Biotechnology and Bioactive Polymers C.G. Gebelein, Charles E. Carraher Jr., 1994-02-28 Examines polymers that exert some kind of influence on living organisms, and their use in biotechnological applications in a number of fields. Among the topics are hylan gel for soft tissue augmentation, the modulation of phosphocholine bilayer structures, the preparation of bacterial adsorption polymer and its application to biosensors, and novel anti-infection biomaterials by polymer modification. The 31 papers are from a symposium in San Francisco, April 1992. Annotation copyright by Book News, Inc., Portland, OR |
| alcon fitting guide multifocal: Diagnostics in Ocular Imaging Mehrdad Mohammadpour, 2020-11-13 This book presents a new avenue in the field of ophthalmology and sheds light on the field of eye imaging. With the increasing availability of electronic devices and their important role in both personal and professional aspects of human life, there is a growing need for perfect vision. Ophthalmic imaging is a major tool for screening and documenting eye diseases in both medical and surgical fields of ophthalmology and is also of use for ophthalmologists around the globe. The number of eye-imaging devices has increased dramatically, however undiagnosed or poorly managed eye diseases remain a significant cause of ocular and visual problems worldwide. This essential guide addresses the need for a book that is dedicated to ophthalmic imaging, covering the cornea, glaucoma, retina and orbital imaging with updates on medical and surgical aspects of the topic. |
| alcon fitting guide multifocal: Viscoelastics in Ophthalmic Surgery H.B. Dick, Oliver Schwenn, 2012-12-06 It will be difficult to find an ophthalmic surgeon who will gladly do his work entirely without viscoelastics. Within just a few years this group of substances has enlarged the field of ophthalmic surgery enormously. Many procedures have be come safer and simpler and other techniques could only be developed because of the availability of visco elastics. Especially cataract surgery and implantation of intraocular lenses have benefitted. Implantation of an intraocular lens can be per formed much more reliably into the capsular bag without endangering the posterior capsule. Implantation of foldable lenses would be almost impossible without visco elastics. However, other surgical maneuvers also necessitate visco elastics, especially when the anterior chamber must be maintained, the corneal endothelium must be protected and delicate tissues must be manipulated. A cor neal transplant can be sutured safely into the recipient corneal ring using visco elastics. Even in glaucoma surgery, visco elastics gain importance as they are being used in trabeculectomy or in deep sclerectomy with additional viscocana lostomy. But which substance is best for which purpose? Just as much as a basic phar macological knowledge is necessary for a rational use of drugs, in-depth know ledge of physicochemical properties and objective investigations are prerequi sites for a logical selection of visco elastics from an ever increasing number of available substances. H. |
| alcon fitting guide multifocal: Clinical Ocular Pharmacology Jimmy D. Bartlett, Siret D. Jaanus, 1995 Written by experts in the field, this comprehensive resource offers valuable information on the practical uses of drugs in primary eye care. Discussions of the pharmacology of ocular drugs such as anti-infective agents, anti-glaucoma drugs, and anti-allergy drugs lead to more in-depth information on ocular drugs used to treat a variety of disorders, including diseases of the eyelids, corneal diseases, ocular infections, and glaucoma. The book also covers ocular toxicology, focusing on drug interactions, ocular effects of systemic drugs, and life-threatening systemic emergencies. |
| alcon fitting guide multifocal: Field Guide to Visual and Ophthalmic Optics Jim Schwiegerling, 2004 Includes Proceedings Vols. 5631, 5636, 5637, 5642, 5643 |
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Lemp J, Kern J. Alcon multifocal contact lenses for presbyopia correction. Paper presented at the Canadian Association of Optometrists Congress; June 28-30, 2017; Ottawa, ON.
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What do they want the lenses for? What are the primary tasks? What are the near, intermediate and distance tasks? Simulated images of a wearer viewing at distance through a simultaneous …
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By following these guidelines and revisiting the fitting guide, optometrists or ophthalmologists can potentially improve their patients' multifocal contact lens outcomes.
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Air optix multifocal lens fitting guide. Package insert for a specific brand of multifocal contact lenses. It includes instructions for patients and eye care professionals.
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This simple 3-step multifocal fitting guide has everything you need to help make it easy to achieve multifocal fitting success. Step 1 - ocular dominance and best sphere
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clariti® multifocal fitting guide Step 1 – Using up-to-date spectacle prescription, determine ocular dominance using the +1.00D blur method. Step 2 – Determine spherical equivalent distance …
