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    • 2. 发明公开
    • MEASURING REFRACTIVE CHARACTERISTICS OF HUMAN EYES
    • 测量耐火性质的人眼
    • EP1429652A1
    • 2004-06-23
    • EP02763385.8
    • 2002-07-29
    • TRACEY TECHNOLOGIES, LLC
    • WAKIL, YoussefPALLIKARIS, IoannisMOLEBNY, Vasyl
    • A61B3/10
    • A61B3/0091
    • An apparatus and method for measuring refractive characteristics of human eyes with an objective refraction measuring device for measuring refraction in at least one eye, the objective refraction measuring system (10) having a proximal end and a distal end, the objective refraction measuring system suitable for looking in the proximal end and seeing out the distal end; an open field visual target (50). A viewing lane (20) is provided between the eye (42) and (44) the open field visual target (50), the viewing lane has sufficient length to allow for focusing the eye at infinity and for natural accommodation at true distance targets, such near distances such as reading distances. The objective refraction measuring device can be positioned in the viewing lane to measure the eye while the eye is focused on the open field visual target. In one embodiment the objective refraction measuring device may measure refraction characteristics of an eye continuously, substantially continuously or incrementally during dynamic accommodation or changes of the lighting conditions while providing true distance visual targets with the open field of view through the apparatus. In another embodiment the device objectively measures refraction characteristics of both eyes working together when viewing the open field visual target.
    • 4. 发明申请
    • MEASURING REFRACTIVE CHARACTERISTICS OF HUMAN EYES
    • 测量人眼的折射特性
    • WO2003009746A1
    • 2003-02-06
    • PCT/US2002/024075
    • 2002-07-29
    • TRACEY TECHNOLOGIES, LLCWAKIL, YoussefPALLIKARIS, IoannisMOLEBNY, Vasyl
    • WAKIL, YoussefPALLIKARIS, IoannisMOLEBNY, Vasyl
    • A61B3/10
    • A61B3/0091
    • An apparatus and method for measuring refractive characteristics of human eyes with an objective refraction measuring device for measuring refraction in at least one eye, the objective refraction measuring system (10) having a proximal end and a distal end, the objective refraction measuring system suitable for looking in the proximal end and seeing out the distal end; an open field visual target (50). A viewing lane (20) is provided between the eye (42) and (44) the open field visual target (50), the viewing lane has sufficient length to allow for focusing the eye at infinity and for natural accommodation at true distance targets, such near distances such as reading distances. The objective refraction measuring device can be positioned in the viewing lane to measure the eye while the eye is focused on the open field visual target. In one embodiment the objective refraction measuring device may measure refraction characteristics of an eye continuously, substantially continuously or incrementally during dynamic accommodation or changes of the lighting conditions while providing true distance visual targets with the open field of view through the apparatus. In another embodiment the device objectively measures refraction characteristics of both eyes working together when viewing the open field visual target.
    • 一种用于使用用于测量至少一只眼睛中的折射的物镜折射测量装置来测量人眼的折射特性的装置和方法,所述物镜折射测量系统(10)具有近端和远端,所述物镜折射测量系统适于 看近端,看出远端; 一个开放视野目标(50)。 在眼睛(42)和(44)之间设置观察通道(20),该视野通道具有足够的长度以允许将眼睛聚焦在无限远处,并且在真实的距离目标处进行自然调节, 如近距离,如阅读距离。 客观折射测量装置可以定位在观察通道中,以在眼睛聚焦于开放视野目标时测量眼睛。 在一个实施例中,物镜折射测量装置可以在动态调节或照明条件的改变期间连续地,基本上连续地或递增地测量眼睛的折射特性,同时通过设备提供具有开放视野的真实距离视觉目标。 在另一个实施例中,该装置客观地测量在观看开放场视觉目标时双方合作的折射特性。
    • 6. 发明申请
    • METHOD FOR DETERMINING CLINICAL REFRACTION OF EYE FROM OBJECTIVE SOURCE
    • 用于确定目标来源的眼睛临床反射的方法
    • WO2002083078A2
    • 2002-10-24
    • PCT/US2002/012141
    • 2002-04-16
    • TRACEY TECHNOLOGIES, LLCWAKIL, YoussefMOLEBNY, VasylMOLEBNY, SergiyPALLIKARIS, Ioannis
    • WAKIL, YoussefMOLEBNY, VasylMOLEBNY, SergiyPALLIKARIS, Ioannis
    • A61K
    • A61B3/107A61B3/022A61B3/1015
    • A method of measuring eye refraction to achieve desired quality according to a selected vision characteristics comprising the steps of selecting a characteristic of vision to correlate to the desired quality of vision from a group of vision characteristics comprising acuity, Strehl ratio, contrast sensitivity, night vision, day vision, and depth of focus. dynamic refraction over a period of time during focus accommodation, and dynamic refraction over a period of time during pupil constriction and dilation; using wavefront aberration measurements to objectively measure the state of the eye refraction that defines the desired vision characteristic; and expressing the measured state of refraction with a mathematical function to enable correction of the pre-selected vision characteristic to achieve the desired quality of vision. The mathematical function of expression may be a Zernike polynomial having both second order and higher order terms or a function determined by spline mathematical calculations. The pre-selected desired vision characteristics may be determined using ray tracing technology.
    • 一种测量眼睛折射以根据所选择的视觉特征实现期望质量的方法,包括以下步骤:从包括敏锐度,Strehl比,对比敏感度,夜视的视觉特征组中选择视觉特征与期望的视力相关 ,日间视力和焦点深度。 在聚焦住宿期间的一段时间内的动态折射,以及在瞳孔收缩和扩张期间的一段时间内的动态折射; 使用波前像差测量来客观地测量定义所需视觉特征的眼睛折射状态; 并用数学函数表达测量的折射状态,以使得能够校正预先选择的视觉特征以实现期望的视觉质量。 表达式的数学函数可以是具有二阶和高阶项的Zernike多项式或由样条数学计算确定的函数。 可以使用光线跟踪技术来确定预先选择的期望视觉特征。