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    • 4. 发明公开
    • POWER-ADJUSTED ABERROMETER
    • 功率调整的血压计
    • EP2358262A1
    • 2011-08-24
    • EP09756113.8
    • 2009-11-19
    • Bausch & Lomb Incorporated
    • ALLRED, Lloyd, G.MCBETH, Jeffrey, B.EAGAN, Barry
    • A61B3/103
    • A61B3/1015
    • Aspects of the invention are directed to apparatus and methods for automatically setting a power level of light emitted by a light source; illuminating a retina of a patient with the light emitted by the light source; receiving, at a sensor, light reflected from the retina of the patient; providing a signal based upon the received light; determining whether the signal meets one or more signal quality criteria; automatically setting a second power level of light emitted by the light source; and repeating the steps of illuminating the patient's eye, receiving reflected light, providing the signal, and determining whether the signal meets the signal quality criteria. In some embodiments, setting the second power level is performed in response to determining whether the signal meets the signal criteria. In still other embodiments, the method comprises selecting an operating power based upon the signal quality criteria.
    • 本发明的各方面涉及用于自动设置由光源发射的光的功率水平的设备和方法; 用光源发射的光照射患者的视网膜; 在传感器处接收从患者的视网膜反射的光; 基于所接收的光提供信号; 确定该信号是否满足一个或多个信号质量标准; 自动设定由所述光源发射的光的第二功率水平; 以及重复照亮患者眼睛,接收反射光,提供信号以及确定信号是否符合信号质量标准的步骤。 在一些实施例中,响应于确定信号是否满足信号标准来执行设置第二功率水平。 在其他实施例中,该方法包括基于信号质量标准来选择操作功率。