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Provides a comprehensive overview of the U.S. coal industry over 20 years, with emphasis on the major changes that occurred, their causes, and their effects. Presents and analyzes data in terms of trends in production, consumption, distribution, and prices. Profitability of major energy companies' coal operations is also tracked. Over 100 charts, tables, graphs and photos.
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Diabetic retinopathy (DR), damage of the blood vessels in the retina, is one of the problems that patients may face as a complication of diabetes and is, along with other diabetic eye diseases, the greatest single cause of blindness in developed countries. This publication starts with the description of the mechanisms of development and progression of diabetic macular edema and with the characterization of the early stages of DR. An innovative approach of multimedial mapping methods which enables to differentiate between three DR phenotypes is further described. The standards and novel approaches of laser treatment as well as current surgical options and treatment techniques are discussed. A...
This book offers a comprehensive overview of neovascular glaucoma (NVG), which is an extraordinarily aggressive type of secondary glaucoma that has often been discussed as an afterthought rather than the focal subject in glaucoma reference books. NVG is considered an end stage complication in patients with certain underlying retinal diseases, most commonly diabetic retinopathy and retinal vein occlusions. Historically, NVG has been one of the most difficult types of glaucoma to manage, with a high failure rate for traditional glaucoma surgery, and often progression of the underlying retinal disease despite “standard of care” treatment. Chapters cover advancements made in recent years in ...