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This book provides a comprehensive view of research in lens developmental biology, emphasising technical and molecular breakthroughs. Elucidation of the mechanisms that govern lens development has enabled us to understand how the normal lens forms and how developmental processes are involved in the maintenance of its normal structure, function and growth throughout life. This knowledge is fundamental to our understanding of many lens disorders. The ocular lens has also become a model for understanding the developmental biology of more complex organ systems. In this 2004 book, leading experts in lens cell biology and development discuss lens evolution, induction, morphology, the regulation of the lens cell cycle and fiber cell differentiation, as well as lens regeneration. This book is an authoritative treatment of the subject that will serve as a reference for graduate students and research scientists in developmental biology and in the visual sciences, as well as for ophthalmologists.
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Crystalline lens. --- Eye --- Intraocular lenses. --- Surgery.
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Cataracts cause about half of all cases of blindness worldwide, largely in developing countries. HelpMeSee Inc. is developing a simulator-based method for rapid cataract surgical training that RAND researchers determined could significantly help to close the backlog of cataract cases, expected to be 32 million globally by 2020. For this to occur, challenges in the areas of outreach, quality monitoring, and public acceptance must be met.
Cataract. --- Cataract --- Surgery. --- Crystalline lens --- Diseases --- Cataract surgery. --- Medicine.
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Cataract --- Congresses --- Crystalline lens --- Epidemiology --- Etiology --- epidemiology --- Diseases --- Conferences - Meetings --- CATARACT --- RISK FACTORS --- CONGRESSES
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Intraocular lenses. --- Crystalline lens prosthesis --- Implant lenses --- Intraocular implant lenses --- Lens implantation --- Aphakia --- Implants, Artificial --- Ophthalmic lenses
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This book provides the practising ophthalmologist and surgeon with up-to-date information on the use of multifocal intraocular lenses to eliminate pseudophakic presbyopia. Guidance is provided on types and models of intraocular lens, indications, selection of patients, implantation, neuroadaptation, and complications and their avoidance. A key goal is to enable the practitioner to select the best lens for the individual patient, taking into account special circumstances. In addition, the results achieved to date with different lenses are analyzed and advice is given on the management of expectations. The authors are acknowledged international experts who draw upon their own experience and the peer-reviewed literature to provide the practitioner with cutting-edge information and evidence-based guidance.
Intraocular lenses. --- Crystalline lens prosthesis --- Implant lenses --- Intraocular implant lenses --- Lens implantation --- Aphakia --- Implants, Artificial --- Ophthalmic lenses --- Ophthalmology. --- Medicine --- Eye --- Diseases
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Intended as a useful and practical guide primarily oriented toward ophthalmic practitioners involved in retinal prosthesis implantation and post-operative visual rehabilitation, this book focuses on the Argus II Retinal Prosthesis and its revolutionary incorporation into the practice. The reader will get an update on patient selection, expected visual outcomes, surgical implantation techniques, and post-operative visual rehabilitation. Retinal Prosthesis - A Clinical Guide to Successful Implementation is written in a clear and concise manner and includes diagrams and high quality photographs to demonstrate best practices in surgical techniques and desired outcomes. Covering topics such as history of retinal prostheses, bioengineering considerations, clinical therapies, and other therapies and future directions, this book is written for practicing ophthalmologists, residents, and medical students interested in retinal implants.
Intraocular lenses. --- Retina --- Crystalline lens prosthesis --- Implant lenses --- Intraocular implant lenses --- Lens implantation --- Surgery. --- Medicine. --- Ophthalmology. --- Medicine & Public Health. --- Aphakia --- Implants, Artificial --- Ophthalmic lenses --- Medicine --- Eye --- Diseases
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When Sir Harold Ridley implanted the first intraocular lens in 1949, he irrevocably coupled lens extraction with refractive surgery. The purpose of the implant remains essentially refractive to this day. However, we are now witnessing an unprecedented flowering of technology for pseudophakia. Elimination of defocus and astigmatism, implantation of accommodative intraocular lenses and pseudophakic correction of higher-order aberrations require systematic preoperative evaluation and meticulous surgical technique. Surgeons must meet the challenges of understanding and implementing this new technology if they are to ride the coming demographic tidal wave of baby boomers desiring excellent vision without relying on spectacles. Refractive Lens Surgery - Represents a compilation of the best cutting edge practices for achieving success with refractive lens exchange - Provides the essential information you need to succeed during the current renaissance of intraocular lens technology - Serves as both a textbook and a reference guide to this exciting and rapidly growing segment of ophthalmology From mastering biometry and lens power calculations in eyes that have had prior keratorefractive surgery to learning the latest micro-incision lens extraction techniques, this book is an invaluable resource that makes sense of the myriad of new developments in this field.
Eye --- Intraocular lenses. --- Refractive errors --- Surgery. --- Crystalline lens prosthesis --- Implant lenses --- Intraocular implant lenses --- Lens implantation --- Aphakia --- Implants, Artificial --- Ophthalmic lenses --- Eyeball --- Eyes --- Visual system --- Face --- Photoreceptors --- Vision --- Ophthalmology. --- Medicine --- Diseases
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This book is the first to summarize the current knowledge of the cell biology of lens epithelial cells in relation to and in the development of posterior capsular opacification (PCO). PCO remains the most common long-term complication of modern cataract surgery, occurring months or years after cataract surgery, unlike most other complications that tend to arise during or soon after the procedure. Opacification of the posterior capsule appears to be linked to lens epithelial cells that are left behind in the eye during cataract removal. These cells proliferate, migrate across the posterior lens capsule, and undergo changes that result in fibrous or pearl-type opacities in the capsule. The first section of the text explains the molecular mechanism and biology of lens epithelial cells that lead to the incidence of PCO. In the second part, in addition to a description of the mechanism and pathological condition of PCO, surgical methods and devices for preventing PCO are discussed in detail. Lens Epithelium and Capsular Opacification will benefit not only young clinical residents and junior researchers, but also established faculty in the clinical or basic academic field. .
Crystalline lens --- Intraocular lenses --- Epithelial cells --- Diseases. --- Complications. --- Cells --- Epithelium --- Exfoliative cytology --- Complications and sequelae --- Ophthalmology. --- Medicine. --- Cytology. --- Molecular Medicine. --- Biomedicine general. --- Cell Biology. --- Cell biology --- Cellular biology --- Biology --- Cytologists --- Clinical sciences --- Medical profession --- Human biology --- Life sciences --- Medical sciences --- Pathology --- Physicians --- Medicine --- Eye --- Diseases --- Health Workforce --- Molecular biology. --- Cell biology. --- Biomedicine, general. --- Molecular biochemistry --- Molecular biophysics --- Biochemistry --- Biophysics --- Biomolecules --- Systems biology
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This comprehensive volume presents data describing the role of oxidative stress in anterior eye disease. The content is divided into three logical parts: basic science of the cornea, basic science of the lens, and clinical practices. The first two parts include eighteen chapters that discuss topics ranging from oxidative stress and dry eye disease, endogenous protection of corneal cells against oxidative damage, the therapeutic potential of corneal stem cells, etiology of cataracts and preventive measures, corneal degeneration through oxidative stress and cataract formation, and function and dysregulation of ion channels and transporters in the ocular lens, among others. The concluding part is comprised of four chapters devoted to advancements in corneal surgery, cataract and diabetic retinopathy, the clinical treatment of cataracts including traumatic cataracts, and cataracts in the pediatric age group. Studies on the Cornea and Lens is an essential addition to the library or department of physicians and scientists who treat or research these ocular conditions, particularly cataracts. It is also a key resource for cell biologists studying oxidative stress. This book is an authoritative contribution to Springer’s Oxidative Stress in Applied Basic Research and Clinical Practice series.
Life Sciences. --- Oxidative Stress. --- Ophthalmology. --- Apoptosis. --- Life sciences. --- Cytology. --- Sciences de la vie --- Ophtalmologie --- Cytologie --- Cornea -- Diseases. --- Cornea. --- Crystalline lens. --- Eye -- Diseases. --- Eye Diseases --- Metabolism --- Metabolic Phenomena --- Diseases --- Phenomena and Processes --- Oxidative Stress --- Lens Diseases --- Biology --- Health & Biological Sciences --- Cytology --- Lens, Crystalline --- Oxidative stress. --- Anterior segment (Eye) --- Eye --- Medicine --- Cell biology --- Cellular biology --- Cells --- Cytologists --- Cell death --- Oxidation-reduction reaction --- Stress (Physiology)
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