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基质层内角膜环治疗近视［英］／ＳｉｅｇｅｌＨＳ…∥ＯｃｕｌａｒＳｕｒｇＮｅｗｓ．－１９９３，４（８）．－１６～１７基质层内角膜环（以下简称角膜环），是１９７８年由美国加州Ｓａｎｔａｃｌａｒａ的ＫｅｒａＶｉｓｉｏｎ研制的。用透明的聚甲基丙烯酸甲酯（ＰＭ...
Intraocular corneal ring treatment of myopia [English] / SiegelHS ... ∥OcularSurgNews. -1993,4 (8). -16 ~ 17 The corneal ring in the stroma (hereinafter referred to as the corneal ring) was developed in 1978 by KeraVision of Santaclara, California, USA. Transparent polymethyl methacrylate (PM ...