使用普通眼镜矫正屈光不正,由于镜片与角膜间有一定的距离,且不能随眼球转动因此可发生物象差、视野受限等问题,对外观也有一定的影响,理想的镜片应贴附于角膜表面,与眼球合成一个光学系统,人们寻求这种理想的镜片,开始研制角膜接触镜,至今已有100余年了。自1932年Tuohy用玻璃设计制造的角膜接触镜问世以来经历了半个世纪,不断改进。1947年后用甲基丙烯酸甲酯 The use of ordinary glasses to correct refractive errors, due to the lens and the cornea between a certain distance, and can not rotate with the eye so there may be aberrations, limited field of vision and other issues, the appearance also has a certain impact, the ideal lens should be attached to the cornea Surface, and the eye of an optical system, people seek this ideal lens, began to develop contact lenses, has been 100 years. Since 1932, Tuohy glass contact lens design and manufacture of the contact has gone through half a century, continuous improvement. After 1947 with methyl methacrylate