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ＯＲＴＨＯＫ（ＯＫ）近视治疗方法是美国最新高科技医疗技术，采用美国航天材料制成的高度透氧且具有矫正治疗功能的角膜接触镜片，于１９９８年７月通过国家医药管理局认可注册（注册号：国药器监（进）字９８第０４８６号），国家专利号：９８２３９４５１．９。１．Ｏ
ORTHO-K (OK) myopia treatment is the latest high-tech medical technology in the United States, the use of the United States made of aerospace materials with a high degree of oxygen permeability and orthokeratology treatment of contact lenses, in July 1998 through the State Medical Administration approved registration Registration No.: State Drug Supervision (into) 98 words 0486), the national patent number: 98239451.9.1. O