Contrast-enhancing aspheric intraocular lens
    5.
    发明申请
    Contrast-enhancing aspheric intraocular lens 审中-公开
    对比增强非球面人工晶状体

    公开(公告)号:US20060116763A1

    公开(公告)日:2006-06-01

    申请号:US11000728

    申请日:2004-12-01

    Inventor: Michael Simpson

    CPC classification number: A61F2/1613 A61F2/164

    Abstract: The present invention provides an intraocular lens (IOL) having an optic with a posterior and an anterior refractive surfaces, at least one of which has an aspherical profile, typically characterized by a non-zero conic constant, for controlling the aberrations of a patient's eye in which the IOL is implanted. Preferably, the IOL's asphericity, together with the aberrations of the patient's eye, cooperate to provide an image contrast characterized by a calculated modulation transfer function (MTF) of at least about 0.25 and a depth of field of at least about 0.75 Diopters.

    Abstract translation: 本发明提供一种眼内透镜(IOL),其具有具有后折射表面和前折射表面的光学元件,其至少一个具有非球面轮廓,通常以非零锥形常数为特征,用于控制患者眼睛的像差 其中植入IOL。 优选地,IOL的非球面性以及患者眼睛的像差协同提供以计算出的至少约0.25的调制传递函数(MTF)和至少约0.75屈光度的景深的特征的图像对比。

    Truncated diffractive intraocular lenses
    9.
    发明申请
    Truncated diffractive intraocular lenses 审中-公开
    截断的衍射眼内透镜

    公开(公告)号:US20070171362A1

    公开(公告)日:2007-07-26

    申请号:US11444112

    申请日:2006-08-23

    Abstract: In one aspect, the present invention provides a method of designing a diffractive ophthalmic lens (e.g., an intraocular lens (IOL)) that includes providing an optic having an anterior refractive surface and a posterior refractive surface, wherein the optic provides a far-focus power (e.g., in a range of about 18 to about 26 Diopters (D)). A truncated diffractive structure can be disposed on at least one of the surfaces for generating a near-focus add power (e.g., in a range of about 3 D to about 4 D). And the diffractive structure can be adjusted so as to obtain a desired distribution of optical energy between the near and far foci for a range of pupil sizes.

    Abstract translation: 一方面,本发明提供了一种设计衍射眼用透镜(例如,眼内透镜(IOL))的方法,其包括提供具有前折射表面和后折射表面的光学元件,其中所述光学元件提供远焦点 功率(例如,在约18至约26屈光度(D)的范围内)。 截面的衍射结构可以设置在至少一个表面上,用于产生近焦点添加功率(例如,在约3D至约4D的范围内)。 并且可以调整衍射结构,以便在一定范围的瞳孔尺寸之间获得近焦点和远焦点之间期望的光能分布。

    Intraocular lens
    10.
    发明申请
    Intraocular lens 有权
    人工晶状体

    公开(公告)号:US20060244904A1

    公开(公告)日:2006-11-02

    申请号:US11397332

    申请日:2006-04-04

    CPC classification number: A61F2/1613 A61F2/1637 G02C7/02

    Abstract: In one aspect, the present invention provide an ophthalmic lens (e.g., an IOL) that includes an optic having an anterior optical surface and a posterior optical surface, where the optic provides an optical power in a range of about 16 D to about 25 D as measured in a medium having an index of refraction substantially similar to that of the eye's aqueous humor (e.g., about 1.336). At least one of the optical surfaces is characterized by an aspherical base profile such that the optic exhibits a negative spherical aberration in a range of about −0.202 microns to about −0.190 microns across the power range.

    Abstract translation: 一方面,本发明提供一种眼科镜片(例如,IOL),其包括具有前光学表面和后光学表面的光学元件,其中所述光学元件提供在约16D至约25D的范围内的光焦度 如在具有基本上类似于眼睛房水的折射率的介质中测量的(例如,约1.336)。 至少一个光学表面的特征在于非球面基部轮廓,使得光学器件在功率范围内在约-0.202微米至约-0.190微米的范围内呈现负球面像差。

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