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    • 61. 发明授权
    • Soft translating contact lens for presbyopia
    • 用于老视的软翻译隐形眼镜
    • US06773107B2
    • 2004-08-10
    • US09911333
    • 2001-07-23
    • Ming YeXiaoxiao Zhang
    • Ming YeXiaoxiao Zhang
    • G02C704
    • G02C7/044G02C7/043G02C7/048
    • A contact lens has top, a bottom, a rotational axis, an inner surface and an opposite outer surface having a plurality of zones. The plurality of zones include an optical zone, a ridge zone and a transition zone. The optical zone has a lower edge and includes a distance vision zone and a near vision zone. The distance vision zone has a first radius of curvature that provides distance vision correction. The distance vision zone also has a first area that is sufficient to overlay a substantial portion of a pupil of a user and is disposed in a first position within the optical zone so that the user's pupil is substantially subtended by the distance vision zone when the user is gazing at a substantially horizontal point. The near vision zone is substantially concentric with the rotational axis and extends radially outward from the distance vision zone. The near vision zone has a second radius of curvature that provides near vision correction and has a second area that is sufficient to overlay a substantial portion of a pupil of a user. The near vision zone is disposed in a second position within the optical zone so that the user's pupil is substantially subtended by the near vision zone when the user is gazing at a near vision point below the substantially horizontal point. The ridge zone, has an upper edge and a lower edge and is disposed below the optical zone. The ridge zone includes a latitudinal ridge portion that extends outwardly from the outer surface to enable engagement with a lower eyelid of a user and thereby provide vertical translation support for the contact lens when being worn by the user. The transition zone extends from the lower edge of the optical zone to the upper edge of the ridge zone and provides a smooth transition from the ridge zone to the optical zone.
    • 隐形眼镜具有顶部,底部,旋转轴线,内表面和具有多个区域的相对的外表面。 多个区域包括光学区域,脊区域和过渡区域。 光学区具有下边缘并包括远视区和近视区。 距离视野区域具有提供距离视力校正的第一曲率半径。 距离视野区域还具有足以覆盖用户的瞳孔的大部分并且被设置在光学区域内的第一位置的第一区域,使得当用户的距离视野区域基本上对准距离视野区域时 正在凝视着一个基本上水平的点。 近视区域与旋转轴线基本上同心并从距离视野区域径向向外延伸。 近视区具有提供近视矫正的第二曲率半径,并且具有足以覆盖用户的瞳孔的大部分的第二区域。 近视区被布置在光学区域内的第二位置,使得当使用者注视在基本上水平的点之下的近视点时,用户的瞳孔基本上被近视区域对准。 脊区域具有上边缘和下边缘,并且设置在光学区域下方。 脊区域包括从外表面向外延伸的纬向脊部分,以使得能够与使用者的下眼睑接合,从而在被使用者佩戴时提供隐形眼镜的垂直平移支撑。 过渡区域从光学区域的下边缘延伸到脊区域的上边缘,并且提供从脊区域到光学区域的平滑过渡。
    • 64. 发明申请
    • INTRAOCULAR LENS WITH ASYMMETRIC OPTICS
    • 具不对称光学的内窥镜
    • US20080269882A1
    • 2008-10-30
    • US11742035
    • 2007-04-30
    • Michael J. SimpsonXiaoxiao Zhang
    • Michael J. SimpsonXiaoxiao Zhang
    • A61F2/16
    • A61F2/1613A61F2002/1683A61F2002/1696A61F2002/1699
    • In one aspect, an intraocular lens (IOL) is discloses that includes an optic having a central portion and a peripheral extension that partially surrounds the central portion. Once implanted in a patient's eye, the IOL's optic forms an image of a field of view with the peripheral extension inhibiting dysphotopsia. While in some embodiments, the peripheral extension provides focusing of light incident thereon, in other embodiments, it can include at least one textured surface for scattering the light or at least one opaque surface for preventing the light from reaching the retina. In other embodiments, the peripheral extension can include one or more translucent surface(s) for diffusing the light passing therethrough to inhibit dysphotopsia.
    • 在一个方面,公开了一种眼内透镜(IOL),其包括具有部分围绕中心部分的中心部分和外围延伸部的光学元件。 一旦植入患者的眼睛,IOL的光学器件形成视野的图像,其外周延伸抑制异位斑。 虽然在一些实施例中,外围延伸部提供入射到其上的光的聚焦,但在其他实施例中,其可包括用于散射光的至少一个纹理化表面或至少一个不透明表面以防止光到达视网膜。 在其它实施例中,外围延伸部可以包括一个或多个半透明表面,用于扩散通过其中的光以抑制失调。
    • 66. 发明申请
    • Accommodative intraocular lens system
    • 适应性眼内透镜系统
    • US20050209692A1
    • 2005-09-22
    • US10805921
    • 2004-03-22
    • Xiaoxiao Zhang
    • Xiaoxiao Zhang
    • A61F2/16
    • A61F2/1629A61F2/1648A61F2/1694A61F2002/1681
    • A two optic accommodative lens system. The first lens in the system is fixed in the anterior chamber of an eye. The second lens in the system includes a non-circular ring with radial dimensions that are different in at least two meridians and implanted in the posterior chamber of an eye within the capsular bag. The radial dimension of vertical meridian of the lens approximates the natural diameter of the capsular bag. The optic of the second lens is connected to the ring at the vertical meridian by two or more of haptics. The radial dimension of horizontal meridian of the second lens is slightly larger than the natural diameter of the capsular bag.
    • 一个两个光学调节透镜系统。 系统中的第一个镜片固定在眼睛的前房。 系统中的第二透镜包括具有径向尺寸的非圆形环,其在至少两个子午线上不同,并且植入在囊袋内的眼睛的后室中。 透镜的垂直子午线的径向尺寸近似于囊袋的天然直径。 第二透镜的光学元件通过两个或更多个触觉件在垂直子午线处连接到环。 第二透镜的水平子午线的径向尺寸略大于囊袋的天然直径。
    • 67. 发明授权
    • Noninvasive pressure sensing assembly
    • 无创压力传感组件
    • US06941813B2
    • 2005-09-13
    • US10610087
    • 2003-06-30
    • Mikhail BoukhnyXiaoxiao Zhang
    • Mikhail BoukhnyXiaoxiao Zhang
    • G01L9/00
    • G01L9/0076G01L9/0077
    • An optical noninvasive pressure sensing assembly capable of accurately indicating relatively minute pressure changes. The present invention generally includes a light source, such as a Light Emitting Diode (LED) or normal room illumination, positioned to reflected light off of a surface of a membrane. The membrane is in contact with the fluid in which the pressure is to be measured so that changes in the pressure in the fluid cause movement of the membrane. A charge coupling device (CCD) camera captures light reflected off of the membrane and the reflected light is analyzed to determine the relative movement of the membrane based on the change in the pattern of the reflected light.
    • 一种能够准确地指示相对较小的压力变化的光学非侵入式压力感测组件。 本发明通常包括诸如发光二极管(LED)或正常室内照明的光源,其定位成从膜的表面反射光。 膜与要测量压力的流体接触,使得流体中的压力变化引起膜的移动。 电荷耦合器件(CCD)相机捕获从膜反射的光,并且基于反射光的图案的变化来分析反射光以确定膜的相对运动。
    • 70. 发明申请
    • Intraocular lens system
    • 人工晶状体系统
    • US20070010881A1
    • 2007-01-11
    • US11178758
    • 2005-07-11
    • Paul SoyeXiaoxiao Zhang
    • Paul SoyeXiaoxiao Zhang
    • A61F2/16
    • A61F2/1694A61F2/1629A61F2/1648
    • A two or three component lens system. The first component is a ring-like supporting component that is implanted in the capsular bag following cataract surgery. The first component is a non-optical component and does not correct for any refractive errors. The first component may contain features to help reduce or eliminate PCO. The second component is an optical component that may contain all of the corrective optical power of the lens system. The second component has a pair of tabs for locking the second component within the first component. The first component includes a feature that allows the surgeon to change the position of the second component along the optical axis of the lens system. The third component is optional and is similar to second component and contains some optical power to correct for any residual optical error not corrected by the second component. The second and third components may also be implanted so as to move relative to one another, thereby providing some accommodation.
    • 一个二或三分量镜头系统。 第一个组件是在白内障手术后植入囊袋中的环状支撑组件。 第一组件是非光学组件,并且对于任何屈光不正都不进行校正。 第一个组件可能包含有助于减少或消除PCO的功能。 第二组件是可以包含透镜系统的所有校正光学功率的光学部件。 第二部件具有用于将第二部件锁定在第一部件内的一对接头。 第一部件包括允许外科医生沿着透镜系统的光轴改变第二部件的位置的特征。 第三组件是可选的并且类似于第二组件,并且包含一些光功率以校正由第二组件未校正的任何残余光学误差。 第二和第三部件也可以被植入以相对于彼此移动,由此提供一些适应。