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    • 7. 发明授权
    • Integrated retinal imager and method
    • 综合视网膜成像仪及方法
    • US08109635B2
    • 2012-02-07
    • US11791854
    • 2005-08-11
    • Noam AllonIsrael GrossingerMichael GolubMoshe Bril
    • Noam AllonIsrael GrossingerMichael GolubMoshe Bril
    • A61B3/10
    • A61B3/12
    • A system and method are presented for use in imaging the patient's retina. A light source unit is provided including a light emitting diode (LED) arrangement comprising multiple LEDs of different wavelength ranges. A light guide arrangement is used with the LEDs arrangement and is configured for coupling light from the LEDs and providing output light beams of a desired shape. The illuminating light is directed towards a region on the retina, and light returned from the illuminated region is collected and directed to an image detector unit. The invention enables the use of LED light at high intensity as required in the eye retina imaging, while maintaining the required high-quality imaging. Also, the invention provides for simultaneous or quasi-simultaneous as well as high-speed imaging in FA and ICG imaging procedures, thereby satisfying a long felt need in ophthalmology. Also, the invention provides for automated illumination or light exposure control to optimize overall light exposure to the patient eye and best acquired image quality in terms of brightness, contrast and image signal-to-noise ratio.
    • 提出了一种用于对患者视网膜进行成像的系统和方法。 提供了一种光源单元,其包括包括具有不同波长范围的多个LED的发光二极管(LED)装置。 导光装置与LED布置一起使用,并且被配置用于耦合来自LED的光并提供所需形状的输出光束。 照明光被引导到视网膜上的区域,并且从照射区域返回的光被收集并且被引导到图像检测器单元。 本发明能够在保持所需的高品质成像的同时,在眼睛视网膜成像中能够以高强度使用LED灯。 此外,本发明还提供了在FA和ICG成像过程中的同步或准同步以及高速成像,从而满足了眼科学中长期以来的需求。 此外,本发明提供了自动照明或曝光控制,以优化对患者眼睛的总体光照,并且在亮度,对比度和图像信噪比方面获得最佳获取的图像质量。