发明名称 SOFT TORIC CONTACT LENS
摘要 CL/V-19064/A/CVE 33 A soft toric contact lens The soft toric contact lens has a substantially rotationally symmetrical front face (1,2) optionally having a rotationally symmetrical lenticular construction (2), and a substantially aspherical, especially ellipsoidal, rear face (7,8). The optically active central region (7) of the rear face (7,8) is torus Shifting the torus to the central region of the lens rear face results in lenses that are economic to produce, are of wearable thickness and are straightforward to fit. (Fig. 1)
申请公布号 CA2094560(A1) 申请公布日期 1993.10.24
申请号 CA19932094560 申请日期 1993.04.21
申请人 CIBA-GEIGY AG 发明人 HAHNE, CHRISTOPH;HOEFER, PETER;HOERNER, WILLI;REICHNER, MARTIN
分类号 G02C7/04;G02B;G02B3/00;G02C;(IPC1-7):G02C7/04 主分类号 G02C7/04
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