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First in the Field: Breaking Ground in Computer Science at Purdue University chronicles the history and development of the first computer science department established at a university in the United States. The backdrop for this groundbreaking academic achievement is Purdue in the 1950s when mathematicians, statisticians, engineers, and scientists from various departments were searching for faster and more efficient ways to conduct their research. These were fertile times, as recognized by Purdue’s President Frederick L. Hovde, whose support of what was to become the first “university-centered” computer center in America laid the foundation for the nation’s first department of comput...
In The Viagra Myth Dr. Abraham Morgentaler (a practicing urologist on the faculty of Harvard Medical School) shows us that while Viagra has proved enormously helpful to many men, it has also uncovered previously ignored aspects of identity and authenticity in sexuality and relationships. Some men, for example, may fear telling their partner they are using Viagra, yet still struggle with the hope of being loved for their true self. Women who discover their partner has resorted to a secret sexual enhancer may complain, "I thought it was me who turned you on . . ." Viagra may improve a man's sexual abilities, but there may also be a profound cost involved. If you or your partner is using or considering Viagra, or even if you are only wondered what it might be like to have a better sex life, this book is essential reading. It will provide insight and instruction about the reality of quick-fix solutions, sexuality, personal growth, and meaningful relationships.
The aim of this book is to highlight the latest findings in Aniridia research. Aniridia, meaning “without iris”, is a rare genetic disorder affecting vision, characterized by the incomplete formation of the iris (the coloured part of the eye that surrounds the black pupil). It may also cause other segments of the eye to be under-developed such as the optic nerve and the macula (the central part of the retina). Aniridia and associated conditions affect individuals differently. So while some affected people are partially sighted or blind, others may have near normal sight. Aniridia is congenital (present at birth) and is caused by a dysfunction of the PAX6 gene, situated on the 11th chromosome that causes the premature cessation of eye development. Aniridia affects between 1:40,000 to 1:100,000 people, and affects males and females equally. People with Aniridia may also experience secondary conditions such as Photophobia, Nystagmus, Glaucoma, Cataracts and Keratopathy.
The first edition of this volume, published in 2012, has become an indispensable reference for clinicians, a fact that inspired the making of this 2nd edition. The book starts with a discussion of current achievements and limitations of the medical therapy of glaucoma. The focus is then placed on conventional glaucoma procedures such as trabeculectomy, deep sclerectomy, and glaucoma drainage device surgery. A chapter is dedicated to the postoperative management of filtering procedures. Further chapters review the role of the ocular surface and the issue of modulation of the scarring processes in glaucoma surgery. The second section covers some promising new devices and techniques. The final part addresses the surgical approaches to some specific clinical challenges: angle-closure glaucoma, concomitant cataract and glaucoma, pediatric glaucoma, and refractory glaucomas. This volume provides residents and general ophthalmologists with valuable new insights into the fascinating and sometimes complex aspects of glaucoma surgery. It will also assist glaucoma specialists when they review and validate therapeutic approaches with their patients.
As the irreversible effects of glaucoma can lead to blindness, there is high demand for early diagnosis and an ongoing need for practitioners to adopt new and evolving medical and surgical treatment options to improve patient outcomes. Glaucoma, Second Edition is the most comprehensive resource in the field delivering expert guidance for the most timely and effective diagnosis and treatment of glaucoma – aimed at specialists, fellows and general ophthalmologists. More than 300 contributors from six continents provide a truly global perspective and explore new approaches in this user friendly reference which has been updated with enhanced images, more spotlights, new videos, and more. - Get...
A sweeping history of emotional life that explores how 'Dear John' letters became a rite of passage for American servicemen.
What algorithms are tractable depends on the speed of the processor. Given the speed of digital computers, polynomial algorithms are considered tractable. But, a human can take several seconds to make one binary comparison between two pens. Given this slow speed, sublinear algorithms are considered tractable for an unaided human and this defines Simon's concept of bounded rationality.Humans make simplifications to solve the intractable consumer optimization problem. Consumers search for goods and services item-by-item, which greatly reduces the number of alternatives to consider. In addition, consumers have operators that can process a set in a single operation. Also, consumers budget by inc...