Apparatus and method for testing visual acuity and fixation control
    4.
    发明申请
    Apparatus and method for testing visual acuity and fixation control 审中-公开
    用于测试视力和固定控制的装置和方法

    公开(公告)号:US20070064197A1

    公开(公告)日:2007-03-22

    申请号:US11601468

    申请日:2006-11-17

    IPC分类号: A61B3/04

    摘要: A method and apparatus for conducting a visual acuity test are provided. The method includes displaying a visual acuity test on a display device (20) that is initiated by a controller (16) such as a handheld keypad controller (16), which is operatively associated with the computer-processing unit (12). The patient's eye is fixated using an eye fixation assessment on a display device during portions of the visual acuity test and is initiated by a controller such as a foot pedal controller (14), which is operatively associated with the CPU. Contrast sensitivity can also be evaluated on the display device by selectively altering the contrast of an image and background on the display device (20).

    摘要翻译: 提供了用于进行视力测试的方法和装置。 该方法包括在由与计算机处理单元(12)可操作地相关联的诸如手持式键盘控制器(16)的控制器(16)发起的显示设备(20)上显示视敏度测试。 在视力测试的部分期间,使用在显示设备上的眼睛固定评估来固定患者的眼睛,并且由诸如与CPU可操作地相关联的脚踏板控制器(14)的控制器启动。 还可以通过选择性地改变显示装置(20)上的图像和背景的对比度来在显示装置上评估对比度灵敏度。