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    • 3. 发明申请
    • AUTOREFRACTOR FOR DETECTING LIGHT INTENSITIES TO EXTRACT HIGHER-ORDER REFRACTIONS AND METHOD FOR USE
    • 用于检测轻度强度以提取高阶折射的自动装置和使用方法
    • WO2007082146A2
    • 2007-07-19
    • PCT/US2007060136
    • 2007-01-05
    • DAPHNE INSTR INCSHINN ALANYANCEY DONSCHNELL URBANCAMPBELL CHARLES ENIEDERHAUSER JOEL
    • SHINN ALANYANCEY DONSCHNELL URBANCAMPBELL CHARLES ENIEDERHAUSER JOEL
    • G01J3/02
    • A61B3/1015G01J1/0448
    • An autorefractor is capable of determining higher order refraction characteristics of a patient's eye. An incident light beam projects into the patient's eye, producing a refracted light beam, which passes through a detector lens to produces a converged beam falling upon first and second sensors. Focal length of the detector and/or sensor position are variable. Focal length and/or position are changed so that one of the sensors lies in a position that corresponds to a retinal conjugate of the patient's eye, and first photosensor data is gathered. The first photosensor data is analyzed to determine retinal deep scatter. Then, the focal length and/or sensor position is changed so that the converged light that falls upon the sensor takes up a relatively larger area, producing second photosensor data. The determined retinal deep scatter from first photosensor data is subtracted from the second photosensor data.
    • 自动折射器能够确定患者眼睛的高阶折射特性。 入射光束投射到患者的眼睛中,产生折射光束,该光束通过检测器透镜以产生落在第一和第二传感器上的会聚光束。 检测器和/或传感器位置的焦距可变。 改变焦距和/或位置,使得传感器中的一个位于对应于患者眼睛的视网膜共轭的位置,并且收集第一光传感器数据。 分析第一光电传感器数据以确定视网膜深度散射。 然后,改变焦距和/或传感器位置,使得落在传感器上的会聚光占据相对较大的面积,产生第二光传感器数据。 从第二光电传感器数据中减去从第一光电传感器数据确定的视网膜深度散射。
    • 5. 发明申请
    • COMPLETE AUTOREFRACTOR SYSTEM IN AN ULTRA-COMPACT PACKAGE
    • 完整的自动升降机系统在超紧凑的包装
    • WO2006036272A1
    • 2006-04-06
    • PCT/US2005/025973
    • 2005-07-20
    • DAPHNE INSTRUMENTS, INC.YANCY, Don R.SCHUPAK, LeonardCAMPBELL, Charles E.
    • YANCY, Don R.SCHUPAK, LeonardCAMPBELL, Charles E.
    • A61B3/103
    • A61B5/14546A61B3/103A61B3/156
    • An autorefractor system in an ultra-compact package is described for rapidly and objectively measuring the refractive state of the eye. The autorefractor detector system, in conjunction with a secondary light source, uses one photodetector such as a charge coupled device ("CCD") or one photodiode, to intercept a light beam at two distances from a secondary retinal light source created by one relay lens, one pupil emitter conjugate lens and one pupil detector conjugate lens. The signals produced by the photodetector are used to determine the full spherocylindrical refraction of the eye. A novel illumination and imaging system provides multiple capabilities to image the eye, control accommodation, and acquire and maintain optical alignment, while obtaining other measurements of the eye.
    • 描述了一种超紧凑型封装中的自动折射系统,用于快速客观地测量眼睛的折射状态。 自动折射率检测器系统与次级光源一起使用一个光电检测器,例如电荷耦合器件(“CCD”)或一个光电二极管,以拦截距离由一个中继透镜产生的次级视网膜光源两个距离的光束 ,一个瞳孔发射体共轭透镜和一个瞳孔检测器共轭透镜。 由光电检测器产生的信号用于确定眼睛的全部轴向圆柱形折射。 一种新颖的照明和成像系统提供多种能力来对眼睛进行成像,控制调节,并获取和维持光学对准,同时获得眼睛的其他测量。
    • 8. 发明申请
    • SHACK-HARTMANN BASED INTEGRATED AUTOREFRACTION AND WAVEFRONT MEASUREMENTS OF THE EYE
    • 基于HARTMANN的综合自动化和眼睛的眼睛测量
    • WO2007112186A2
    • 2007-10-04
    • PCT/US2007/063608
    • 2007-03-08
    • VISX, INCORPORATEDCAMPBELL, Charles, E.SOMANI, Seema
    • CAMPBELL, Charles, E.SOMANI, Seema
    • A61F9/00806A61F9/00812A61F2009/00848A61F2009/00872A61F2009/0088
    • Devices, systems, and methods often by measuring characterize optical structures and systems, the standard refractive error and irregular aberrations. A retinal spot can propagate through optical tissues of an eye and can be directed to refractive correction optics for correcting standard refractive errors. The corrected image is then directed to wavefront analysis optics, which form a coarse pitch lenslet array pattern and a fine pitch lenslet array pattern. The coarse pitch pattern indicates the standard refractive error of the eye, and can be used to adjust the refractive correction optics. The fine pitch pattern is formed with the corrected retinal image, facilitating precise wavefront reconstruction, measurement of high order aberrations, and the like. The coarse pitch pattern and fine pitch pattern may be formed sequentially or simultaneously.
    • 器件,系统和方法通常通过测量光学结构和系统的特性,标准折射误差和不规则像差。 视网膜斑可以通过眼睛的光学组织传播,并且可以被引导到用于校正标准屈光不正的折射校正光学元件。 然后校正的图像被引导到波前分析光学器件,其形成粗略的俯仰小透镜阵列图案和细间距的小透镜阵列图案。 粗略的图案表示眼睛的标准屈光不正,可用于调整屈光矫正光学元件。 精细的俯仰图案由校正的视网膜图像形成,促进精确的波前重建,高阶像差的测量等。 可以顺序地或同时地形成粗略的俯仰图案和细间距图案。