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    • 3. 发明授权
    • Opthalmic lens with regressive and non-regressive rotationally symmetric optical design elements
    • 具有回归和非回归旋转对称光学设计元件的光学透镜
    • US08573774B2
    • 2013-11-05
    • US12902213
    • 2010-10-12
    • Amitava GuptaRonald BlumStefan TrollerHans JaegerJulien SauvetUrban Schnell
    • Amitava GuptaRonald BlumStefan TrollerHans JaegerJulien SauvetUrban Schnell
    • G02C7/00G02C7/02G02C7/06
    • G02C7/063G02C7/061G02C7/068
    • Aspects of the present invention provide an ophthalmic lens comprising at least one regressive and at least one non-regressive rotationally symmetric optical design element. The regressive and non-regressive optical design elements can be combined so as to form a desired optical power profile for the lens while simultaneously exploiting the different relative orientation of the astigmatic vectors of the constituent regressive and non-regressive design elements, thereby resulting in reduced unwanted astigmatism. The regressive and non-regressive rotationally symmetric optical design elements can be positioned on different lens surfaces and in optical communication or can be collapsed onto the same lens surface. The regressive and non-regressive rotationally symmetric optical design elements can each contribute to the total add power of an ophthalmic lens. The regressive and non-regressive rotationally symmetric optical design elements can be combined with any other optical design feature positioned on the same or a different surface of the lens.
    • 本发明的方面提供一种眼科镜片,其包括至少一个回归和至少一个非回归旋转对称的光学设计元件。 回归和非回归光学设计元件可以组合以形成用于透镜的期望的光学功率分布,同时利用构成回归和非回归设计元件的散光矢量的不同相对取向,从而导致减少 有害散光。 回归和非回归旋转对称光学设计元件可以位于不同的透镜表面上并且在光学通信中或可以折叠到相同的透镜表面上。 回归和非回归的旋转对称光学设计元素可以各自贡献于眼科镜片的总添加功率。 回归和非回归的旋转对称光学设计元件可以与位于透镜的相同或不同表面上的任何其它光学设计特征组合。
    • 7. 发明申请
    • PROGRESSIVE ADDITION LENS DESIGN
    • 渐进式镜片设计
    • US20110116037A1
    • 2011-05-19
    • US12848713
    • 2010-08-02
    • Amitava GuptaRonald D. Blum
    • Amitava GuptaRonald D. Blum
    • G02C7/06
    • G02C7/061G02C7/066
    • Aspects of the present invention provide progressive addition lenses (PALs) and techniques for designing PALs that result in improved visual performance for the wearer. PALs of the present invention can have vision zones with widths that are more in line with the actual or functional sizes used by wearers. PALs of the present invention can also introduce controlled amounts of unwanted astigmatism into one or more vision zones. By allowing vision zones to include manageable levels of astigmatism, the resulting PAL can avoid the harsh build-up of astigmatism typically found in conventional PALs at the periphery of the channel and viewing zones. Further, PALs of the present invention can be designed using a merit function to achieve an optimized iterative design that accounts for astigmatism vector orientation and not simply astigmatism magnitude as is the case with conventional PAL design.
    • 本发明的方面提供渐进式附加镜片(PAL)和用于设计PAL的技术,其导致改善了佩戴者的视觉性能。 本发明的PAL可以具有宽度与佩戴者使用的实际或功能尺寸更一致的视野区域。 本发明的PAL还可以将受控量的有害散光引入一个或多个视区。 通过允许视野区域包括可管理的像散水平,所得到的PAL可以避免通常在通道周边和观看区域的常规PAL中发现的散光的严酷的积聚。 此外,本发明的PAL可以使用优点函数来设计,以实现考虑散光矢量取向的优化迭代设计,而不是像传统PAL设计的情况那样简单的像散大小。
    • 8. 发明申请
    • Opthalmic Lens With Regressive and Non-Regressive Rotationally Symmetric Optical Design Elements
    • 具有回归和非回归旋转对称光学设计元素的光学透镜
    • US20110090455A1
    • 2011-04-21
    • US12902213
    • 2010-10-12
    • Amitava GuptaRonald BlumStefan TrollerHans JaegerJulien SauvetUrban Schnell
    • Amitava GuptaRonald BlumStefan TrollerHans JaegerJulien SauvetUrban Schnell
    • G02C7/06
    • G02C7/063G02C7/061G02C7/068
    • Aspects of the present invention provide an ophthalmic lens comprising at least one regressive and at least one non-regressive rotationally symmetric optical design element. The regressive and non-regressive optical design elements can be combined so as to form a desired optical power profile for the lens while simultaneously exploiting the different relative orientation of the astigmatic vectors of the constituent regressive and non-regressive design elements, thereby resulting in reduced unwanted astigmatism. The regressive and non-regressive rotationally symmetric optical design elements can be positioned on different lens surfaces and in optical communication or can be collapsed onto the same lens surface. The regressive and non-regressive rotationally symmetric optical design elements can each contribute to the total add power of an ophthalmic lens. The regressive and non-regressive rotationally symmetric optical design elements can be combined with any other optical design feature positioned on the same or a different surface of the lens.
    • 本发明的方面提供一种眼科镜片,其包括至少一个回归和至少一个非回归旋转对称的光学设计元件。 回归和非回归光学设计元件可以组合以形成用于透镜的期望的光学功率分布,同时利用构成回归和非回归设计元件的散光矢量的不同相对取向,从而导致减少 有害散光。 回归和非回归旋转对称光学设计元件可以位于不同的透镜表面上并且在光学通信中或可以折叠到相同的透镜表面上。 回归和非回归旋转对称光学设计元素可以各自贡献于眼科镜片的总添加功率。 回归和非回归的旋转对称光学设计元件可以与位于透镜的相同或不同表面上的任何其它光学设计特征组合。