Hydrophilic siloxane monomers and dimers for contact lens materials, and
contact lenses fabricated therefrom
    1.
    发明授权
    Hydrophilic siloxane monomers and dimers for contact lens materials, and contact lenses fabricated therefrom 失效
    用于隐形眼镜材料的亲水硅氧烷单体和二聚体以及由其制造的隐形眼镜

    公开(公告)号:US4711943A

    公开(公告)日:1987-12-08

    申请号:US727501

    申请日:1985-04-26

    摘要: A monomer for making a contact lens with improved oxygen permeability and stability is disclosed as having a first portion for increasing wettability and a second portion for increasing oxygen permeability. The first portion includes a side-chain functionality of the structural formula: ##STR1## and is hydrophilic. The second portion includes a siloxane moiety, and is usually hydrophobic.Also disclosed is a cross-linking agent, a polymeric material for making contact lenses, a method for making the polymeric material, and a method for making contact lenses from the material.

    摘要翻译: 公开了用于制造具有改善的透氧性和稳定性的隐形眼镜的单体,其具有用于增加润湿性的第一部分和用于增加透氧性的第二部分。 第一部分包括具有以下结构式的侧链官能团:并且是亲水的。 第二部分包括硅氧烷部分,并且通常是疏水性的。 还公开了交联剂,用于制造隐形眼镜的聚合物材料,制备聚合物材料的方法以及从该材料制造隐形眼镜的方法。

    Optical blank carrier for lathing lenses and process therefor
    2.
    发明授权
    Optical blank carrier for lathing lenses and process therefor 失效
    用于车床镜片的光学坯料及其加工

    公开(公告)号:US4686798A

    公开(公告)日:1987-08-18

    申请号:US747484

    申请日:1985-06-21

    IPC分类号: B24B13/005 B24B41/06

    摘要: A carrier is disclosed for supporting an optical blank in the chuck of a lathe, for machining the optical blank into a lens. The carrier has a substantially cylindrical body formed of a machinable material. The cylindrical body has an opening at a first end thereof through which an optical blank can be inserted, and a retaining portion for securing such optical blank in place. In a preferred embodiment, the retaining portion is an annular shoulder extending inwardly at a second end of the cylindrical body.

    摘要翻译: 公开了用于在车床的卡盘中支撑光学坯料的载体,用于将光学坯料加工成透镜。 载体具有由可加工材料形成的基本上圆柱形的主体。 圆柱体在其第一端具有开口,通过该开口可以插入光学坯料,以及用于将这种光学坯料固定就位的保持部分。 在优选实施例中,保持部分是在圆柱体的第二端向内延伸的环形肩部。

    Surface treatment of soft contact lenses
    4.
    发明授权
    Surface treatment of soft contact lenses 失效
    表面处理软性隐形眼镜

    公开(公告)号:US4687816A

    公开(公告)日:1987-08-18

    申请号:US765886

    申请日:1985-08-14

    摘要: A process for the treatment of a soft contact lens, to increase its resistance to the deposition thereon and diffusion and accumulation therein of substances which will promote its clouding and discoloration in use, and to improve its mechanical strength, includes treating a hydroxyl group-containing acrylic ester soft contact lens or replica with an organic acid anhydride for a sufficient period of time to treat at least a portion of polymer molecules on the outer surfaces, e.g. by esterifying hydroxyl groups on the molecules and facilitating extraction of organic-type impurities. The process is optionally performed in the presence of a medium which partially swells the surface regions of the lens or replica prior to or during the process.

    摘要翻译: 一种用于治疗软性隐形眼镜的方法,以增加其对其上的沉积的抵抗力,并且在其中扩散和积累将促进其在使用中的浑浊和变色并且提高其机械强度的物质包括处理含羟基的 丙烯酸酯软性隐形眼镜或有机酸酐复制足够的时间以处理外表面上的至少一部分聚合物分子,例如 通过酯化分子上的羟基并促进有机型杂质的萃取。 该方法任选地在介质之前或之后部分溶胀透镜或复制品的表面区域的介质的存在下进行。

    Method of making a rigid gas permeable bifocal contact lens
    5.
    发明授权
    Method of making a rigid gas permeable bifocal contact lens 失效
    制造刚性透气双焦隐形眼镜的方法

    公开(公告)号:US4854089A

    公开(公告)日:1989-08-08

    申请号:US171155

    申请日:1988-03-16

    申请人: Heriberto Morales

    发明人: Heriberto Morales

    IPC分类号: G02C7/04

    摘要: A bifocal contact lens is disclosed, having a posterior surface with a base curve, and an anterior surface having a distance vision curve defining a distance vision optical zone and a near vision curve defining a near vision optical zone. A first prism component is incorporated into the base curve. A second prism component is incorporated into the distance vision curve. A process for manufacturing the bifocal contact lens by lathe cutting is also disclosed.

    摘要翻译: 公开了一种双焦距隐形眼镜,其具有具有基部曲线的后表面,以及具有限定远视光学区域的远视视线曲线的前表面和限定近视光学区域的近视曲线。 第一棱镜组件被并入到基础曲线中。 第二个棱镜组件被并入距离视力曲线。 还公开了通过车床切割制造双焦点隐形眼镜的方法。