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    • 2. 发明公开
    • SPECTACLE FRAMES
    • 镜框
    • EP1124519A4
    • 2002-07-24
    • EP98951108
    • 1998-10-21
    • SOLA INT HOLDINGS
    • PERROTT COLIN MAURICEMORRIS MICHAEL ALAN
    • A61F9/02G02C5/00G02C7/02G02C1/00
    • A61F9/025A61F9/029G02C5/00G02C7/02
    • A spectacle frame shaped to receive and retain an optical lens element of the wrap-around or shield-type wherein the aperture of the lens outline or edge of at least one surface of the optical lens element is of generally ovaline shape. In one embodiment the aperture is located on the surface of a sphere whose radius of curvature corresponds to 11 D or above, a toroid where the horizontal radius or curvature corresponds to 11 D or above, or a surface where the radius of curvature changes across at least one section of the lens aperture. In a second embodiment, the aperture is located on a surface whose radius of curvature varies across the vertical or horizontal sections of the aperture of the lens outline, or both the vertical and horizontal sections thereof. In a third embodiment the aperture remains substantially constant irrespective of lens power. In a fourth embodiment the aperture exhibits an increased sagittal depth of 10 mm horizontally and/or 5 mm vertically. In a fifth embodiment the aperture exhibits a change in sagital depth across at least a section of the lens aperture of approximately 10 mm horizontally and/or approximately 5 mm vertically. In a sixth embodiment there is disclosed a spectacle frame of the wrap-around or shield-type, the spectacle frame being shaped to receive and retain an optical lens element including a front and back surface, at least one surface exhibiting a change of base curve across the field of vision of the wearer.
    • 7. 发明公开
    • IMPROVED SINGLE VISION LENSES
    • VERBESSERTEEINSTÄRKENLINSEN
    • EP0900403A4
    • 1999-05-12
    • EP97908088
    • 1997-03-21
    • SOLA INT HOLDINGS
    • PERROTT COLIN MAURICEO'CONNOR KEVIN DOUGLASEDWARDS SIMON JOHNBARKAN ERIC FSKLAR DAVID H
    • A61F9/02G02C7/02
    • A61F9/022G02C7/02
    • Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the zones. Design methods for the prescription zone include temporally rotating a prescription section about a vertical axis through the optical center thereof, and/or decentring the optical axis of said prescription section relative to the geometric axis thereof, and providing partial surface correction for astigmatic and/or mean power errors. For prescription powers in the range -6.0 to +6.0 diopters with 0 to 3 cyl, the optical lens element may be designed such that its front surface can be mounted in a frame of constant curvature of at least 5.0 diopters, with its back surface providing good clearance from temples and eyelashes. Applications include ophthalmic sunglass lenses.
    • 配有处方区域的光学镜片,适用于环绕式或保护式眼镜。 该元件还可以包括周边视觉区域,区域之间没有棱镜跳跃。 用于处方区域的设计方法包括通过其光学中心围绕垂直轴临时旋转处方部分,和/或使所述处方部分的光轴相对于其几何轴偏心,并且为散光和/或散光提供局部表面校正 平均功率误差。 对于屈光度为-6.0至+6.0屈光度范围为0至3 cyl的处方能力,光学透镜元件可以被设计为使得其前表面可以安装在至少5.0屈光度的恒定曲率的框架中,其后表面提供 从寺庙和睫毛中清除好。 应用包括眼镜太阳镜镜片。