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    • 2. 发明授权
    • Switchable diffractive accommodating lens
    • 可切换衍射适配透镜
    • US08608800B2
    • 2013-12-17
    • US13247840
    • 2011-09-28
    • Valdemar Portney
    • Valdemar Portney
    • A61F2/16
    • A61F2/1654A61F2/14A61F2/142A61F2/1635A61F2250/0002G02C7/04G02C7/085G02C2202/20
    • A lens in accordance with the present invention includes an accommodating cell having two chambers with at least one chamber filled with optical fluid with the refractive index matching the refractive index of the accommodating element separating them. The accommodating element has a diffractive surface with surface relief structure that maintains its period but changes its height due a pressure difference between the chambers to redirect most of light that passes through the lens between different foci of far and near vision. The invention also includes a sensor cell that directly interacts with the ciliary muscle contraction and relaxation to create changes in pressure between the accommodating cell chambers that results in changing surface relief structure height and the lens accommodation.
    • 根据本发明的透镜包括具有两个室的容纳室,所述室具有填充有光学流体的至少一个室,其折射率与容纳元件的折射率相匹配。 容纳元件具有具有表面浮雕结构的衍射表面,其保持其周期,但是由于腔室之间的压力差而改变其高度,以将大部分通过透镜的光重新定向在远视力和近视力的不同焦点之间。 本发明还包括与睫状肌收缩和松弛直接相互作用的传感器细胞,以产生导致改变表面浮雕结构高度和透镜容纳的容纳细胞室之间的压力变化。
    • 4. 发明申请
    • Accommodating diffractive intraocular lens
    • 容纳衍射人工晶状体
    • US20070032866A1
    • 2007-02-08
    • US11499934
    • 2006-08-07
    • Valdemar Portney
    • Valdemar Portney
    • A61F2/16
    • A61F2/1654A61F2/1635
    • One disclosed embodiment of a method includes providing an intraocular lens. The intraocular lens includes a diffractive optical surface having diffractive properties which produce an interference pattern. The method further includes implanting the lens in an eye of a patient such that the diffractive optical surface changes shape in response to action of an ocular structure of the eye. The interference pattern is modified in response to the action of the ocular structure. One disclosed embodiment of an intraocular implant includes a lens body. The lens body comprises a diffractive optical surface having diffractive properties which produce an interference pattern. The lens body is sized and shaped for placement in an anterior portion of a human eye. The lens body is sufficiently flexible to change the shape of the diffractive optical surface in response to ciliary muscle action so that the interference pattern is modified.
    • 方法的一个公开实施例包括提供眼内透镜。 眼内透镜包括具有产生干涉图案的衍射特性的衍射光学表面。 该方法还包括将透镜植入患者的眼睛中,使得衍射光学表面响应于眼睛的眼睛结构的作用而改变形状。 响应于眼结构的作用来修改干涉图案。 眼内植入物的一个公开实施例包括透镜体。 透镜体包括具有产生干涉图案的衍射特性的衍射光学表面。 透镜体的尺寸和形状适于放置在人眼的前部。 透镜体具有足够的柔韧性,以响应于睫状肌的动作来改变衍射光学表面的形状,从而改变干涉图案。