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    • 1. 发明授权
    • Apparatus and method for automated perimetry
    • 用于自动视野测量的装置和方法
    • US5459536A
    • 1995-10-17
    • US174181
    • 1993-12-27
    • Tadmor ShalonMarvin L. PundSusan L. BraggMark Szus
    • Tadmor ShalonMarvin L. PundSusan L. BraggMark Szus
    • A61B3/024G06F19/00A61B3/02
    • A61B3/024A61B3/0083G06F19/3406
    • An apparatus and method for automated perimetry. A patient interface is adjustable with respect to a previously positioned patient rather than requiring the patient to position him or herself with regard to the perimeter. Fine adjustment of the patient interface with respect to the patient is possible while a perimeter dome is moved away from the patient and patient interface. Once positioned, the perimeter dome is moveable to a position adjacent the patient. A visual stimulus generating and directing device is preferably contained in a first module attachable to the dome. The visual stimuli are directed to various locations in the dome. An optional feature includes an eye sensing device which continuously monitors the size and position of a patient's pupil and correlates this information to the projected stimuli to verify the patient's fixation during testing. The eye sensor is preferably contained within a second module attachable to the dome. A connection device allows connection of either or both the projector and eye sensor to a stand alone processor. The device and method provide for industry standard tests and results, while being of a size which is portable and of a structural cooperation which does not require field servicing.
    • 一种用于自动视野测量的装置和方法。 患者界面相对于先前定位的患者而言是可调节的,而不是要求患者相对于周界来定位他或她自己。 当周围圆顶从患者和患者界面移开时,患者接口相对于患者的微调是可能的。 一旦定位,周边圆顶可移动到与患者相邻的位置。 视觉刺激产生和引导装置优选地包含在可附接到穹顶的第一模块中。 视觉刺激指向圆顶中的各个位置。 可选特征包括眼睛感测装置,其连续地监视患者瞳孔的尺寸和位置,并将该信息与预测的刺激相关联,以在测试期间验证患者的固定。 眼睛传感器优选地容纳在可附接到穹顶的第二模块内。 连接装置允许投影机和眼睛传感器中的一个或两者连接到独立处理器。 该装置和方法提供了行业标准测试和结果,同时具有便携式和不需要现场维修的结构合作的尺寸。
    • 4. 发明授权
    • Computer controlled subjective refractor
    • 电脑主观折射仪
    • US5617157A
    • 1997-04-01
    • US260027
    • 1994-06-15
    • Tadmor ShalonMarvin L. PundSusan L. BraggJames D. HousemanSteven W. Free
    • Tadmor ShalonMarvin L. PundSusan L. BraggJames D. HousemanSteven W. Free
    • A61B3/028A61B3/103A61B3/02
    • A61B3/103A61B3/028
    • A computer controlled subjective refractor includes a microcomputer based remote hand control connected to an enclosure which houses the optical elements of the refractor and which controls their operation for the examination of a patient. The enclosure has a beam splitter extending at its bottom and a forehead rest extending near its bottom such that a patient's eyes are positioned near the bottom of the enclosure to view into the beam splitter and thereby materially reduce accommodation which would otherwise interfere with the accurate refracting of the patient's eyes. Movement and position location of the optical elements are achieved through a microcomputer based electronic controller which is in communication with the microcomputer remote hand control. Additionally, a microcomputer based target projector assembly may be used to selectively project any of a wide number of images comprised of eye charts and the like for testing the patient's vision. The subjective refractor thereby provides a network of microcomputer based electronic controls for very accurately positioning a plurality of optical elements and determining their position in order to determine the refractive correction of a patient's eyes. The handheld remote control includes an optical display and a number of finger controls through which an operator may actively interact with the subjective refractor as the patient is examined.
    • 计算机控制的主观折射仪包括连接到容纳折射器的光学元件并且控制其用于检查患者的操作的外壳的基于微机的远程控制。 外壳具有在其底部延伸的分束器和在其底部附近延伸的前额支架,使得患者的眼睛位于靠近外壳的底部以观察分束器并且因此实质上减少适应,否则会干扰准确的折射 的病人的眼睛。 光学元件的移动和位置位置通过与微型计算机远程手控制通信的基于微机的电子控制器来实现。 此外,可以使用基于微机的目标投影仪组件来选择性地投影包括眼图等的大量图像中的任何一个,以便测试患者的视力。 因此,主观折射体提供了一种基于微机的电子控制网络,用于非常精确地定位多个光学元件并确定它们的位置,以便确定患者眼睛的屈光矫正。 手持遥控器包括光学显示器和多个手指控制器,当患者被检查时,操作者可以通过该手指控制器主动地与主观折射器相互作用。
    • 5. 发明授权
    • Automated hand-held keratometer
    • 自动手持角膜曲率计
    • US5585873A
    • 1996-12-17
    • US775194
    • 1991-10-11
    • Tadmor ShalonMarvin L. Pund
    • Tadmor ShalonMarvin L. Pund
    • G01B11/00A61B3/107G01B11/24G01B11/255A61B3/10
    • A61B3/107
    • An automated portable keratometer includes a hand held housing and is battery powered. A projection system projects collimated light sources at equal converging angles to an optical axis which extends outside the housing. A camera, including an imaging device, and telocentric objective lens are aligned along the optical axis in the housing. The projection system projects a known pattern of collimated light sources onto a patient's eye. The reflected images of these light sources is captured by the camera and imaging device. Derivation of the distances between certain reflected images can be converted by known algorithms into radii of curvature of the eye. Alignment leveling, and other features can be included with the keratometer. The device can also be used to measure other curved surfaces.
    • 自动便携式角膜曲率计包括手持式外壳并由电池供电。 投影系统以与收缩角度相等的延伸到壳体外部的光轴投影准直光源。 包括成像装置的照相机和端射物镜沿着壳体中的光轴对准。 投影系统将已知的准直光源模式投射到患者的眼睛上。 这些光源的反射图像由相机和成像装置捕获。 推导某些反射图像之间的距离可以通过已知算法转换成眼睛的曲率半径。 校准调平和其他功能可以包括在角膜曲率计中。 该装置还可用于测量其他曲面。