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    • 12. 发明申请
    • RAPID MEASUREMENT OF VISUAL SENSITIVITY
    • 快速测量视觉灵敏度
    • WO2013170091A1
    • 2013-11-14
    • PCT/US2013/040434
    • 2013-05-09
    • THE SCHEPENS EYE RESEARCH INSTITUTE, INC.THE OHIO STATE UNIVERSITY
    • BEX, PeterDORR, MichaelLESMES, LuisLU, Zhong-lin
    • A61B3/028
    • A61B3/022A61B3/0025A61B3/032A61B3/06
    • Data is received characterizing a result of a first visual sensitivity test assessing capacity to detect spatial form across one or more different target sizes, and different contrasts. Using the received data, one or more first parameters defining a first estimated visual sensitivity for a first range of contrasts and a second range of spatial frequencies is determined. One or more second parameters defining a second estimated visual sensitivity for a third range of contrasts and a fourth range of spatial frequencies is determined using the one or more first parameters and a statistical inference by at least presenting a first visual stimulus, receiving a response, and determining a second visual stimulus based at least on the response and at least a rule. The one or more second parameters is provided. Related apparatus, systems, techniques and articles are also described.
    • 接收数据,其表征第一视觉敏感性测试的结果,评估能力以检测跨越一个或多个不同目标大小的空间形式的能力,以及不同的对比度。 使用所接收的数据,确定对于第一对比度范围和空间频率的第二范围定义第一估计视觉灵敏度的一个或多个第一参数。 使用一个或多个第一参数和统计推断来确定对于第三范围的对比度和第四范围的空间频率定义第二估计视觉灵敏度的一个或多个第二参数,至少呈现第一视觉刺激,接收响应, 以及至少基于所述响应和至少一个规则来确定第二视觉刺激。 提供一个或多个第二参数。 还描述了相关设备,系统,技术和物品。
    • 20. 发明申请
    • DEVICE FOR DIGITAL RETINAL IMAGING
    • 用于数字化成像的设备
    • WO2003039332A2
    • 2003-05-15
    • PCT/US2002/032787
    • 2002-10-16
    • THE SCHEPENS EYE RESEARCH INSTITUTE, INC.ELSNER, Ann, E.
    • ELSNER, Ann, E.
    • A61B
    • A61B3/156
    • A portable, lightweight digital imaging device uses a slit scanning arrangement to obtain an image of the eye, in particular the retina. The scanning arrangement reduces the amount of target area illuminated at a time, thereby reducing the amount of unwanted light scatter and providing a higher contrast image. A detection arrangement receives the light remitted from the retinal plane and produces an image. The device is operable under battery power and ambient light conditions, such as outdoor or room lighting. The device is noncontact and does not require that the pupil of the eye be dilated with drops. The device can be used by personnel who do not have specialized training in the eye, such as emergency personnel, pediatricians, or general practitioners. Images can be viewed in the device or transmitted to a remote location. The device can also be used to provide images of the anterior segment of the eye or other small structures.
    • 便携式,轻便的数字成像装置使用狭缝扫描装置来获得眼睛的图像,特别是视网膜。 扫描装置减少了一次照射的目标区域的量,从而减少不需要的光散射的量并提供较高的对比度图像。 检测装置接收从视网膜平面排出的光并产生图像。 该设备可在电池电源和环境光条件下操作,如户外或室内照明。 该装置是非接触式的,不需要眼睛的瞳孔用液滴扩张。 该装置可以由没有眼睛专门训练的人员使用,如急救人员,儿科医生或全科医生。 可以在设备中查看图像或传输到远程位置。 该装置还可用于提供眼睛前段或其他小结构的图像。