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From glasses to contacts to Lasik surgery there have been many advances developed to improve people's vision. How have these advances occurred? What role has innovation played in their development? This book helps kids understand the concept of innovation and how it can be used to help overcome and solve many problems.|Index|Sources for further research|Glossary of key words|Informative sidebars|Table of contents|Author/Illustrator biography|The Innovation in Medicine series explores the role innovation has played in medicine and how peoples life and health have improved as a result. Life expectancy has increased by some 28 years in the last 100 years. Many attribute this increase to advances in medicine.