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    • 3. 发明申请
    • EYE MOVEMENT SENSING METHOD AND SYSTEM
    • 眼部运动感应方法与系统
    • WO1995028879A1
    • 1995-11-02
    • PCT/US1995004524
    • 1995-04-18
    • AUTONOMOUS TECHNOLOGIES CORPORATION
    • AUTONOMOUS TECHNOLOGIES CORPORATIONFREY, Rudolph, W.McWHIRTER, John, E.ZEPKIN, NeilDOWNES, George, R.
    • A61B05/103
    • A61B3/113
    • A method and system are provided for sensing eye motion, such as saccadic eye motion, in a non-intrusive fashion. An optical delivery arrangement (105) converts a laser beam pulse (104) into a plurality of light spots (21-24). The light spots are focused such that they are incident on a corresponding plurality of positions located on a boundary (12) whose motion is coincident with that of eye movement. The boundary can be defined by two visually adjoining surfaces having different coefficients of reflection. Energy is reflected from each of the positions located on the boundary receiving the light spots. An optical receiving arrangement (156) detects the reflected energy from each of the positions. Changes in reflected energy at one or more of the positions is indicative of eye motion.
    • 提供了一种用于以非侵入方式感测眼睛运动(例如眼球运动)的方法和系统。 光学传送装置(105)将激光束脉冲(104)转换成多个光点(21-24)。 光点被聚焦,使得它们入射在位于其运动与眼睛运动的边界(12)重合的边界(12)上的对应的多个位置上。 边界可以由具有不同反射系数的两个视觉上相邻的表面限定。 能量从位于接收光点的边界上的每个位置反射。 光接收装置(156)检测来自每个位置的反射能量。 在一个或多个位置的反射能量的变化表示眼动。
    • 5. 发明申请
    • LASER SCULPTING METHOD AND SYSTEM
    • 激光扫描方法和系统
    • WO1995028890A1
    • 1995-11-02
    • PCT/US1995004582
    • 1995-04-18
    • AUTONOMOUS TECHNOLOGIES CORPORATION
    • AUTONOMOUS TECHNOLOGIES CORPORATIONFREY, Rudolph, W.BURKHALTER, James, H.GRAY, Gary, P.
    • A61B19/00
    • A61F9/008A61F9/00804A61F2009/00855A61F2009/00872A61F2009/00897
    • A method and system are provided for eroding or ablating a shaped volume of an eye's corneal tissue (10) in accordance with the treatment of a specified eye condition. To determine the laser beam shot pattern, a plurality of laser beam shots of uniform intensity are first selected to form a uniform shot pattern of uniform shot density. The laser beam shots applied in accordance with the uniform shot pattern of uniform shot density would be capable of eroding a volume of the corneal tissue (10) of uniform height. The volume of uniform height is approximately equivalent to that of the shaped volume. The laser beam shots are applied to the corneal tissue in a spatially distributed pattern spread over an area approximately equivalent to the surface area of the shaped volume to be eroded. The spatially distributed pattern extends the uniform shot pattern in fixed angles from a reference position on the shaped volume representative of the shaped volume's axis of symmetry. Shot density for the laser beam shots changes in correspondence with distance from the reference position.
    • 提供了一种根据特定眼睛状况的治疗来蚀刻或消除眼睛的角膜组织(10)的成形体积的方法和系统。 为了确定激光射束图案,首先选择均匀强度的多个激光束照射以形成均匀射出密度的均匀射击图案。 根据均匀射出密度的均匀射击图案施加的激光束射击将能够侵蚀均匀高度的角膜组织(10)的体积。 均匀高度的体积大约等于成形体积的体积。 将激光束拍摄以空间分布的图案施加到角膜组织上,该图案分布在大致等于待腐蚀的成形体积的表面积的区域上。 空间分布的图案以等于成形体积的对称轴的成形体积上的基准位置固定的角度延伸均匀的射出图案。 激光束照射的照射密度根据与参考位置的距离变化。