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    • 1. 发明授权
    • Corneal topography analysis system
    • 角膜地形分析系统
    • US07370969B2
    • 2008-05-13
    • US10813620
    • 2004-03-31
    • Stephen D. KlyceMichael K. SmolekMasanao Fujieda
    • Stephen D. KlyceMichael K. SmolekMasanao Fujieda
    • A61B3/10A61B5/103
    • A61B3/107
    • A corneal topography analysis system includes: an input unit for inputting corneal curvature data; and an analysis unit that determines plural indexes characterizing topography of the cornea based on the input corneal curvature data, the analysis unit further judges corneal topography from features inherent in predetermined classifications of corneal topography using the determined indexes and a neural network so as to judge at least one of normal cornea, myopic refractive surgery, hyperopic refractive surgery, corneal astigmatism, penetrating keratoplasty, keratoconus, keratoconus suspect, pellucid marginal degeneration, or other classification of corneal topography.
    • 角膜地形分析系统包括:用于输入角膜曲率数据的输入单元; 以及分析单元,其基于输入的角膜曲率数据确定表征角膜的形貌的多个指标,所述分析单元使用所确定的指标进一步判断角膜地形的预定分类中固有的特征的角膜形貌和神经网络,以便在 正常角膜,近视屈光手术,远视屈光手术,角膜散光,穿透性角膜移植术,圆锥角膜,圆锥角膜疑似,透明边缘变性或其他角膜地形分类中的至少一种。
    • 3. 发明授权
    • Ophthalmic apparatus
    • 眼科仪器
    • US06547392B2
    • 2003-04-15
    • US09819641
    • 2001-03-29
    • Masanao Fujieda
    • Masanao Fujieda
    • A61B310
    • A61B3/0058A61B3/103
    • An ophthalmic apparatus comprising an input unit with which data on eye refractive power distribution of an eye to be examined at far vision, which is an unaccommodated state of the eye, and data on eye refractive power distribution of the eye at near vision, which is an accommodated state of the eye are inputted, a display, and a calculation and control unit which obtains data on distribution of difference between both the inputted data on distribution, so as to display at least one of the following data on the display: the data on the eye refractive power distribution at far vision; the data on the eye refractive power distribution at near vision; and the obtained data on the distribution of difference.
    • 一种眼科装置,包括:输入单元,利用该输入单元,在远视力下进行检视的眼睛的眼睛屈光力分布数据,其是眼睛的不适应状态,以及眼睛在近视力下的眼睛屈光力分布的数据, 输入眼睛的容纳状态,显示和计算和控制单元,其获得关于分配的两个输入数据之间的差分布的数据,以便在显示器上显示以下数据中的至少一个:数据 对远视力的眼屈光力分布; 视力近视眼屈光力分布数据; 并获得有关分布差异的数据。
    • 4. 发明授权
    • Ophthalmic measurement apparatus having plural pairs of photoreceiving
elements
    • 具有多对光接收元件的眼科测量装置
    • US5907388A
    • 1999-05-25
    • US942633
    • 1997-10-02
    • Masanao Fujieda
    • Masanao Fujieda
    • A61B3/103A61B3/107A61B3/10
    • A61B3/107A61B3/103
    • An ophthalmic measurement apparatus for measuring a refractive power of an eye to be examined, the apparatus comprises slit projecting optical system for scanning a fundus of the eye by a slit light bundle, detecting optical system for detecting the slit light bundle reflected by the fundus of the eye which is scanned by the slit projecting optical system, the detecting optical system includes plural pairs of photo-receiving elements which are disposed along the meridian direction corresponding to the slit scanning direction of the slit light bundle, and respective pairs of photo-receiving elements are disposed so as to be symmetric with putting an optical axis therebetween at approximately conjugate position relative to a cornea of the eye, and refractive power calculating device for calculating the refractive power of the eye which is varied at the meridian direction, based on respective phase difference signals outputted by respective photo-receiving elements of the detecting optical system.
    • 一种用于测量被检眼的屈光度的眼科测量装置,该装置包括用于通过狭缝光束扫描眼底的狭缝投影光学系统,用于检测由眼底反射的狭缝光束的检测光学系统 由狭缝投射光学系统扫描的眼睛,检测光学系统包括沿着与狭缝光束的狭缝扫描方向对应的子午线方向配置的多对光接收元件,以及各对光接收元件 元件被布置为对称,其中相对于眼睛的角膜在其近似共轭位置处放置光轴;以及折射力计算装置,用于基于各自的子午线方向计算在子午线方向上变化的眼睛的屈光力量 由检测光学的各个光接收元件输出的相位差信号 l系统
    • 6. 发明授权
    • Visual acuity test mark displaying device
    • 视力检测标记显示装置
    • US5420652A
    • 1995-05-30
    • US903290
    • 1992-06-24
    • Masanao Fujieda
    • Masanao Fujieda
    • A61B3/02A61B3/032
    • A61B3/032
    • A visual acuity test mark displaying device comprises: a test mark selecting means provided with a plurality of test mark selecting keys which are operated for the sequential selection of visual acuity test marks; a display means for displaying visual acuity test marks selected by the test mark selecting means at a predetermined position; a specifying means for specifying optional key-mark combinations each of a test mark selecting key and a visual acuity test mark selected by operating the same test mark selecting key; an input means for entering data representing the arrangement of the visual acuity test marks specified by the specifying means; and a storage means for storing the optional key-mark combinations specified by the specifying means. The visual acuity test mark displaying device can be set for visual acuity test mark sets desired by the user and enables the change of the visual acuity test mark sets for which the same is set beforehand.
    • 视敏度测试标记显示装置包括:测试标记选择装置,其具有多个测试标记选择键,用于顺序选择视力测试标记; 显示装置,用于将检测标记选择装置选择的视敏度检验标记显示在预定位置; 指定装置,用于指定通过操作相同的测试标记选择键而选择的测试标记选择键和视敏度测试标记中的每一个的可选键组合; 用于输入表示由指定装置指定的视敏度测试标记的布置的数据的输入装置; 以及存储装置,用于存储由指定装置指定的可选按键组合。 视敏度检验标记显示装置可以设定为用户所期望的视敏度检验标记集,并且能够预先设定与其相同的视敏度检验标记集的改变。
    • 7. 发明申请
    • Ophthalmic apparatus and a method for calculating internal eye refractive power distribution
    • 眼科仪器和计算内眼屈光力分布的方法
    • US20060028619A1
    • 2006-02-09
    • US11183754
    • 2005-07-19
    • Masanao FujiedaYukinobu Ban
    • Masanao FujiedaYukinobu Ban
    • A61B3/10A61B3/00
    • A61B3/1015A61B3/107A61F2009/00872
    • An ophthalmic apparatus and a method for calculating internal refractive power distribution of an eye of an examinee, which allow easily evaluating refractive power distribution of a crystalline lens, an intraocular lens and the like. The ophthalmic apparatus has a unit which inputs respective measurement data on corneal refractive power distribution and whole refractive power distribution of the eye, the respective distribution referring to a reference axis, and a unit which obtains the internal refractive power distribution of the eye referring to the reference axis based on the inputted respective measurement data, obtains a prism component in the internal refractive power distribution with respect to the reference axis, and obtains internal refractive power distribution of the eye where the prism component is removed.
    • 一种用于计算受试者的眼睛的内部屈光力分布的眼科装置和方法,其允许容易地评估晶状体,眼内透镜等的屈光度分布。 该眼科装置具有单位,其输入关于角膜屈光力分布和眼睛的全屈光力分布的各个测量数据,参考基准轴的相应分布,以及参考眼睛获得眼睛的内部屈光力分布的单元 基于输入的各个测量数据的参考轴获得相对于参考轴的内部折射力分布中的棱镜分量,并获得去除棱镜分量的眼睛的内部折射力分布。
    • 8. 发明申请
    • Corneal topography analysis system
    • 角膜地形分析系统
    • US20050225724A1
    • 2005-10-13
    • US10813620
    • 2004-03-31
    • Stephen KlyceMichael SmolekMasanao Fujieda
    • Stephen KlyceMichael SmolekMasanao Fujieda
    • A61B3/10A61B3/107
    • A61B3/107
    • A corneal topography analysis system includes: an input unit for inputting corneal curvature data; and an analysis unit that determines plural indexes characterizing topography of the cornea based on the input corneal curvature data, the analysis unit further judges corneal topography from features inherent in predetermined classifications of corneal topography using the determined indexes and a neural network so as to judge at least one of normal cornea, myopic refractive surgery, hyperopic refractive surgery, corneal astigmatism, penetrating keratoplasty, keratoconus, keratoconus suspect, pellucid marginal degeneration, or other classification of corneal topography.
    • 角膜地形分析系统包括:用于输入角膜曲率数据的输入单元; 以及分析单元,其基于输入的角膜曲率数据确定表征角膜的形貌的多个指标,所述分析单元使用所确定的指标进一步判断角膜地形的预定分类中固有的特征的角膜形貌和神经网络,以便在 正常角膜,近视屈光手术,远视屈光手术,角膜散光,穿透性角膜移植术,圆锥角膜,圆锥角膜疑似,透明边缘变性或其他角膜地形分类中的至少一种。
    • 9. 发明授权
    • Ophthalmic measurement apparatus
    • 眼科测量仪器
    • US6079828A
    • 2000-06-27
    • US32980
    • 1998-03-02
    • Masanao Fujieda
    • Masanao Fujieda
    • A61B3/10A61B3/107A61B3/15A61B3/14
    • A61B3/107A61B3/15
    • An ophthalmic measurement apparatus for observing or measuring an eye to be examined by positioning the apparatus so as to have a predetermined positional relationship with the eye, the ophthalmic measurement apparatus comprising an alignment target projecting device for projecting an alignment target onto a cornea of the eye, an alignment device provided with a photographing optical system for photographing an image of the projected alignment target by photoelectric imaging elements to perform an alignment based on condition of the alignment target image photographed by the photoelectric imaging elements, a measurement target projecting device for projecting a target for measurement onto the cornea of the eye, a measurement device for measuring a corneal shape of the eye based on an image of the projected target for measurement photographed by the photoelectric imaging elements, a focal depth varying device for making a focal depth of the image photographed by the photoelectric imaging elements variable and a changeover device for switching the focal depth, which is made to be variable by the focal depth varying device, upon the alignment and upon the measurement.
    • 一种眼科测量装置,用于通过将装置定位成与眼睛具有预定的位置关系来观察或测量要检查的眼睛,该眼科测量装置包括用于将对准目标投影到眼睛的角膜上的对准目标投影装置 具有拍摄光学系统的对准装置,用于通过光电成像元件拍摄投影的对准目标的图像,以基于由光电成像元件拍摄的对准目标图像的条件进行对准;测量对象投影装置, 基于用于由光电成像元件拍摄的用于测量的投影目标的图像测量眼睛的角膜形状的测量装置,用于使眼睛的角度的焦点深度的焦点深度变化装置, 由光电想象拍摄的图像 g元件变量和切换装置,用于在对准和测量时切换由焦深变化装置变化的焦深。
    • 10. 发明授权
    • Apparatus for measuring an optical characteristic of an examined lens
    • 用于测量被检查透镜的光学特性的装置
    • US5872625A
    • 1999-02-16
    • US73990
    • 1998-05-07
    • Tadashi KajinoMasanao FujiedaYasumi HikosakaTokio Ueno
    • Tadashi KajinoMasanao FujiedaYasumi HikosakaTokio Ueno
    • G01M11/02G01B9/00
    • G01M11/0235
    • An apparatus for measuring an optical characteristic of an examined lens, comprising a first measuring optical system for projecting a first measuring light flux on an examined lens, which is enlarged so as to cover a relative large area of the lens, via both a first grating and a second grating which has a predetermined positional relationship with the first grating, thereby forming moire fringes thereon, then detecting the moire fringes by a two dimensional photo detector, a first calculating device for calculating each principle point refractive power at each point of the lens by processing results detected by the first measuring optical system, a second measuring optical system for projecting a second measuring light flux on a small area of the lens, then detecting a position of an image of the second measuring light flux by a positional photo-detector, a second calculating device for calculating a back vertex power at the small area by processing results detected by the second measuring optical system, and a display device for obtaining a distribution of each back vertex power at each point of the lens based on both the back vertex power and the each principle point refractive power, then displaying it graphically.
    • 一种用于测量被检查透镜的光学特性的装置,包括:第一测量光学系统,用于将第一测量光束投射在被检查的透镜上,第一测量光学系统通过第一光栅两者被放大以便覆盖透镜的相对大面积 以及第二光栅,其与第一光栅具有预定的位置关系,从而在其上形成莫尔条纹,然后通过二维光电检测器检测莫尔条纹;第一计算装置,用于计算透镜每个点处的每个主要折射光焦度 通过处理由第一测量光学系统检测到的结果,第二测量光学系统,用于将第二测量光束投射在透镜的小区域上,然后通过位置光检测器检测第二测量光通量的图像的位置 ,第二计算装置,用于通过处理由第二个mea检测到的结果来计算小区域的后顶点功率 以及显示装置,用于基于后顶点功率和每个主要点屈光度获得在透镜的每个点处的每个后顶点功率的分布,然后以图形方式显示。