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前言亲水软性角膜接触镜是60年代出现的一种新型接触镜,它湿润后吸水膨胀、柔软而富有弹性,并且透气透水。使用后视野较大,感觉舒适,深受欢迎。在国外,亲水软性角膜接触镜早已商品化,有关厂商大批生产,广泛销售。就1970年至1980年的十年中,世界上的生产量和销售量均已增加了两倍多。生产效率也在大幅度提高,1970年每人每天制作10片,1980年每人每天就可以制作25片。据统计,在美国22,000万人口中戴眼镜者占49%,其中11%戴角膜接触镜,计1,200万人;在英国5,700万人口中戴眼镜者占47%,其中4%使角膜接触镜,计110万人;
Preface Hydrophilic soft contact lenses are a new type of contact lenses that appeared in the 60s. They are moist, absorb water swelling, soft and elastic, and breathable and permeable. After using a larger field of vision, feel comfortable, popular. Abroad, hydrophilic soft contact lenses have long been commercialized, a large number of manufacturers involved in production, extensive sales. For the decade from 1970 to 1980, world production and sales more than tripled. Production efficiency has also risen dramatically, making 10 tablets per person per day in 1970 and 25 tablets per person per day in 1980. According to statistics, 49% of the 220 million people in the United States wear glasses, of which 11% wear contact lenses, accounting for 12 million people; 57 million people in the United Kingdom accounted for 47% of the glasses, of which 4% of the contact lens, 110 million people