"The glasses industry is a profiteering industry." This view has penetrated into the consumer's concept. According to the previous report of BWCHINESE Chinese website, there is a popular saying in the optical industry: 20 yuan's glasses are sold to you, and 200 yuan is in favor, 300 yuan is in friendship, and 400 yuan is quoted. The profiteering glasses industry is actually a gray interest chain with low cost, high pricing and high discount. The ratio of the gross output value of China optical industry in 20 12 years is 201more than 0/year16 billion yuan. About 300 million people in China need vision correction, and the annual retail sales of glasses is about 23 billion yuan.