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    • 1. 发明申请
    • Portable Retinal Camera and Image Acquisition Method
    • 便携式视网膜摄像机和图像采集方法
    • US20130033593A1
    • 2013-02-07
    • US13645763
    • 2012-10-05
    • Randal B. ChinnockFredrick G. BargootGeorge GrubnerJason P. JulianSarah LattaWilliam Weber
    • Randal B. ChinnockFredrick G. BargootGeorge GrubnerJason P. JulianSarah LattaWilliam Weber
    • H04N7/18
    • A61B3/14A61B3/0091
    • A camera for capturing an image of an object, for example an eye. The camera has at least two light sources and an image-sensing system having two image sensors. A multiple branch optical system transmits outgoing light from the light sources to the object, and transmits incoming light from the object to the image-sensing system. The multiple branch optical system includes an autofocusing element such as a variable power optical element that varies the focus of the incoming light. There is also an image display. There is a controller that controls the operation of the light sources, controls acquisition of images by the image-sensing system, and controls the display of images on the image display. The controller activates an autofocus light source and uses the resulting captured image to automatically adjust the image exposure parameters. The controller automatically adjusts the autofocusing element to improve the image focus, and then activates the second light source and acquires one or more images of the object while the second light source is activated.
    • 用于捕获物体(例如眼睛)的图像的照相机。 相机具有至少两个光源和具有两个图像传感器的图像感测系统。 多分支光学系统将来自光源的输出光发射到物体,并将来自物体的入射光发射到图像感测系统。 多分支光学系统包括诸如可变功率光学元件的自动聚焦元件,其改变入射光的焦点。 还有图像显示。 控制器控制光源的操作,控制图像感测系统的图像采集,并控制图像显示上的图像显示。 控制器激活自动对焦光源,并使用得到的拍摄图像自动调整图像曝光参数。 控制器自动调整自动对焦元件以改善图像焦点,然后激活第二个光源并在第二个光源激活时获取对象的一个​​或多个图像。
    • 9. 发明申请
    • Multi-focal intraocular lens, and methods for making and using same
    • 多焦点眼内透镜及其制造和使用方法
    • US20070067030A1
    • 2007-03-22
    • US11603013
    • 2006-11-22
    • Alan GlazierWilliam Weber
    • Alan GlazierWilliam Weber
    • A61F2/16
    • A61F2/1648A61F2/1616A61F2/1618A61F2/1627A61F2250/0015A61F2250/0053
    • An intraocular lens is provided that includes an optic body having anterior and posterior walls, a chamber, and optically transmissive primary and secondary fluids, and method for making and using the same. One of the fluids is a gas. The secondary fluid is substantially immiscible with the primary fluid and has a different density and a different refractive index than the primary fluid. The primary fluid is present in a sufficient amount that orienting optical body optical axis horizontally for far vision positions the optical axis through the primary fluid, thereby immersing the anterior and posterior optical centers in the primary fluid. The secondary fluid is contained in the optic body in a sufficient amount that orienting the optical axis over a range of effective downward angles relative to the horizontal for near vision positions the optical axis to extend through the primary fluid and the secondary fluid, thus changing the focus of the intraocular lens.
    • 提供了一种眼内透镜,其包括具有前壁和后壁的光学主体,腔室和光学透射的一级和二级流体,以及用于制造和使用它的方法。 其中一种液体是气体。 第二流体与主要流体基本上不混溶,并且具有与初级流体不同的密度和不同的折射率。 主要流体以足够的量存在,以使光学体的光轴水平定位以用于远视力,使光轴通过初级流体定位,从而将前后光学中心浸入初级流体。 次级流体以足够的量包含在光学主体中,该量将光轴定向在相对于水平面的有效向下角度的范围内,用于近视位置使光轴延伸穿过初级流体和次级流体,从而改变 眼内镜的焦点。