英语Glasses talk.pptVIP

* Glasses Group —— 6 制作：大君 About the invention of the glasses , someone say : the earliest glasses appeared in Italy , a man named Mato Al【阿尔马托】 and a in the city of Pisa Italian man Spitzer【斯皮纳】 invented. But some people think :China had the glasses before the Song dynasty. After then , Benjamin·Franklin【本杰明·富兰克林】, an American inventor , invented the “ hyperopia and myopia amphibious glasses” 【远视、近视两用的眼镜】 in 1784. In 1825 , the British astronomer 【宇航员】 George·Eli 【乔治·艾利】 Invented the “ to correct astigmatism glasses”.【散光眼镜】 In China , practical glasses appeared in the mid Ming dynasty. Why glasses invented? Some scientists found because of poor eyesight people. Some people can’t see the words of a book , they just Wanted to invent a tool to help people improve eyesight. Some glasses have eyes protection security ; Some glasses have eyes diseases ; Some have the function of vision correction. Also some glasses can be used to decorate【装饰】 Yourself. Glasses has two aspects Good ways: It can make people see more clearly ; also can adjust their eyesight. Bad ways : wearing for a long time glasses perhaps make the eyes tired. Glasses are very important , some people don’t think so . But how do you see clearly our PPT without glasses? *