Vitreous Substitutes
| Author | : Gholam A. Peyman |
| Publisher | : McGraw-Hill/Appleton & Lange |
| Total Pages | : 240 |
| Release | : 1995 |
| Genre | : Medical |
| ISBN | : |
Vitreous Substitutes
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Biomaterials and Regenerative Medicine in Ophthalmology
| Author | : Traian Chirila |
| Publisher | : Elsevier |
| Total Pages | : 565 |
| Release | : 2009-12-18 |
| Genre | : Technology & Engineering |
| ISBN | : 184569743X |
With an increasingly aged population, eye diseases are becoming more widespread. Biomaterials have contributed in recent years to numerous medical devices for the restoration of eyesight, improving many patients' quality of life. Consequently, biomaterials and regenerative medicine are becoming increasingly important to the advances of ophthalmology and optometry. Biomaterials and regenerative medicine in ophthalmology reviews the present status and future direction of biomaterials and regenerative medicine in this important field.Part one discusses applications in the anterior segment of the eye with chapters on such topics as advances in intraocular lenses (IOLs), synthetic corneal implants, contact lenses, and tissue engineering of the lens. Part two then reviews applications in the posterior segment of the eye with such chapters on designing hydrogels as vitreous substitutes, retinal repair and regeneration and the development of tissue engineered membranes. Chapters in Part three discuss other pertinent topics such as hydrogel sealants for wound repair in ophthalmic surgery, orbital enucleation implants and polymeric materials for orbital reconstruction.With its distinguished editor and international team of contributors, Biomaterials and regenerative medicine in ophthalmology is a standard reference for scientists and clinicians, as well as all those concerned with this ophthalmology. - Reviews the increasingly important role of biomaterials and regenerative medicine in the advancement of ophthalmology and optometry - Provides an overview of the present status and future direction of biomaterials and regenerative medicine in this important field - Discusses applications in both the anterior and prosterior segments of the eye with chapters on such topics as synthetic corneal implants and retinal repair and regeneration
Handbook of Biomaterial Properties
| Author | : William Murphy |
| Publisher | : Springer |
| Total Pages | : 676 |
| Release | : 2016-06-11 |
| Genre | : Technology & Engineering |
| ISBN | : 1493933051 |
This book provides tabular and text data relating to normal and diseased tissue materials and materials used in medical devices. Comprehensive and practical for students, researchers, engineers, and practicing physicians who use implants, this book considers the materials aspects of both implantable materials and natural tissues and fluids. Examples of materials and topics covered include titanium, elastomers, degradable biomaterials, composites, scaffold materials for tissue engineering, dental implants, sterilization effects on material properties, metallic alloys, and much more. Each chapter author considers the intrinsic and interactive properties of biomaterials, as well as their appropriate applications and historical contexts. Now in an updated second edition, this book also contains two new chapters on the cornea and on vocal folds, as well as updated insights, data, and citations for several chapters.
Hydrogels with Antioxidants that Replace the Physical and Chemical Functions of the Vitreous Humor
| Author | : Nguyen K. Tram |
| Publisher | : |
| Total Pages | : 105 |
| Release | : 2020 |
| Genre | : Biomedical materials |
| ISBN | : |
The vitreous humor is a fragile, transparent hydrogel between the lens and the retina that liquefies with age, causing complications such as cataract formation, retinal detachment, and macular hole, sometimes necessitating surgical replacement with a substitute. Current clinical and experimental vitreous substitutes are inadequate since they do not address the problem of oxidative damage after the removal and replacement of the natural vitreous. In fact, up to 95% of patients require cataract extraction within 24 months after vitrectomy. There is a clear clinical need for a new generation of biomimetic vitreous substitutes that can replace not only the physical roles but also chemical functions of the natural vitreous humor. The objective of this project was to create an antioxidant releasing hydrogel as a vitreous substitute. This hydrogel must adequately provide the mechanical functions and have similar material properties as the natural human vitreous. Additionally, the hydrogel must have the potential to mitigate the oxidative damage in the eye post-vitrectomy and potentially reestablish the natural oxygen gradient in the vitreous.
Vitreous
| Author | : J. Sebag |
| Publisher | : Springer |
| Total Pages | : 917 |
| Release | : 2014-10-01 |
| Genre | : Medical |
| ISBN | : 1493910868 |
The vitreous body long has been the most mysterious of all ocular structures, owing perhaps to its seeming simplicity. There have been few concerted, sustained efforts to unravel the mysteries of how vitreous is composed and what role it plays in normal physiology as well as pathology. Over the years, however, many studies have produced important findings concerning vitreous biochemistry, structure, physiology, and pathobiology. Published on the 25th anniversary of Sebag's first book on Vitreous, this second installment is nearly five times longer than its predecessor, reflecting how much has been learned in the past quarter century. This well-constructed compendium not only addresses the most current scientific knowledge, but also reviews clinical perspectives in a manner that lends richness to the scope of the book. Written by 90 authors, this book has 56 chapters organized into 7 sections: Biochemistry; Anatomy, Development, and Aging; Pathology/Pathobiology; Physiology and Phamacotherapy; Posterior Vitreo-Retinal Surgery; Peripheral Vitreo-Retinal Surgery; and Pharmacologic Vitreolysis. With a foreword by Coleman & Lincoff and an introduction by Wallace Foulds, Sebag's latest tome on vitreous is destined to be the authoritative text for years to come.
The Vitreous and Vitreoretinal Interface
| Author | : Charles L. Schepens |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 400 |
| Release | : 2012-12-06 |
| Genre | : Medical |
| ISBN | : 1475719019 |
Ophthalmic researchers and clinicians alike increasingly are recognizing the importance of the vitreous body in the physiology, biochemistry, and pathology of the inner eye. The Vitreous and Vitreoretinal Interface, with contributions by vitreoretinal surgeons and laboratory eye researchers, presents the most up-to-date clinically relevant data. This book provides evidence of the vitreous body's significant role in preserving retinal homeostasis, as well as the close connection between vitreous traction and such conditions as retinal inflammation, retinal vascular occlusions, macular edema, proliferative diabetic retinopathy, and giant retinal tears. The particular vitreal changes that occur in aphakia, myopia, retinitis pigmentosa, and idiopathic giant retinal breaks, as well as recent advances in open-sky vitreous surgery and in the search for useful vitreous substitutes are discussed.
Environmental Toxicants
| Author | : Morton Lippmann |
| Publisher | : John Wiley & Sons |
| Total Pages | : 1189 |
| Release | : 2009-03-26 |
| Genre | : Science |
| ISBN | : 0470442883 |
Provides the most current information and research available for performing risk assessments on exposed individuals and populations, giving guidance to public health authorities, primary care physicians, and industrial managers Reviews current knowledge on human exposure to selected chemical agents and physical factors in the ambient environment Updates and revises the previous edition, in light of current scientific literature and its significance to public health concerns Includes new chapters on: airline cabin exposures, arsenic, endocrine disruptors, and nanoparticles
Advances in Ophthalmology
| Author | : Shimon Rumelt |
| Publisher | : IntechOpen |
| Total Pages | : 584 |
| Release | : 2012-03-07 |
| Genre | : Medical |
| ISBN | : 9789535102489 |
This book focuses on the different aspects of ophthalmology - the medical science of diagnosis and treatment of eye disorders. Ophthalmology is divided into various clinical subspecialties, such as cornea, cataract, glaucoma, uveitis, retina, neuro-ophthalmology, pediatric ophthalmology, oncology, pathology, and oculoplastics. This book incorporates new developments as well as future perspectives in ophthalmology and is a balanced product between covering a wide range of diseases and expedited publication. It is intended to be the appetizer for other books to follow. Ophthalmologists, researchers, specialists, trainees, and general practitioners with an interest in ophthalmology will find this book interesting and useful.
Man-made Vitreous Fibres
| Author | : IARC Working Group on the Evaluation of Carcinogenic Risks to Humans |
| Publisher | : World Health Organization |
| Total Pages | : 434 |
| Release | : 2002 |
| Genre | : Medical |
| ISBN | : 9283212819 |
"This publication represents the views and expert opinions of an IARC working group on the evaluation of carcinogenic risks to humans, which met in Lyon, 9-16 October 2001."
Handbook of Vitreoretinal Surgery
| Author | : Pradeep Venkatesh |
| Publisher | : CRC Press |
| Total Pages | : 316 |
| Release | : 2022-07-05 |
| Genre | : Medical |
| ISBN | : 1000599094 |
Vitreoretinal (VR) surgery has steadily evolved over the years and this handbook provides a comprehensive overview about its past, present and future. It covers a wide array of topics ranging from its fascinating origins to recent technological advances, from surface anatomy to their clinical relevance, from anaesthesia to building and maintenance of operation theatre, from major surgical steps to sub-steps, from preventing to managing complications, and from routine surgeries to rare surgeries. Included in addition is a section on futuristic surgeries and another on important studies in relation to vitreoretinal surgery. Hence, Handbook of Vitreoretinal Surgery serves as a ready reference for both fledgling and experienced VR surgeons in this exciting field of ophthalmic surgery. . Key Features Includes recent developments like 3D surgery, telescopic IOL, bionic implants and robotic surgery. Highlights the importance of surface anatomy and provides a deeper view into the working of vitreous machines, microscopes and other surgical components. Text is supported with videos of rare surgeries like endoillumination-assisted scleral buckling surgery, placement of retisert intravitreal implant, suprachoroidal drug injection, intralesional injection into a subretinal abscess and endoillumination-assisted biopsy of intraocular mass lesions.
