公开(公告)号：US07036933B2

公开(公告)日：2006-05-02

申请号：US10365618

申请日：2003-02-13

申请人： Tatsuo Yamaguchi ,  Naoki Nakazawa ,  Toshifumi Mihashi ,  Yoko Hirohara

发明人： Tatsuo Yamaguchi ,  Naoki Nakazawa ,  Toshifumi Mihashi ,  Yoko Hirohara

IPC分类号： A61B3/10

CPC分类号： A61B3/1015 ,  A61B3/00 ,  A61B3/0025 ,  A61B2560/0233 ,  G09B23/32

摘要： A model eye for an eye characteristic measuring device and a calibration method for the model eye. The model eye can have various aberrations and/or power characteristics to be formed by a combination of a refractive-type lens and a phase plate for adding aberration and can be used to confirm the accuracy of wavefront measurement or the like of the eye characteristic measuring device. The model eye includes an anterior eye lens forming a predetermined power to be given to the model eye, a diffusion surface diffusing and reflecting incident light, the diffusion surface being disposed at an image point position corresponding to the predetermined power in relationship to the anterior eye lens, and an aberration adding member giving a predetermined aberration to an area between the anterior eye lens and the diffusion surface. Power and aberration required for the model eye are formed by the anterior eye lens and the phase plate.

公开(公告)号：US06525883B2

公开(公告)日：2003-02-25

申请号：US09914439

申请日：2002-03-20

申请人： Yoko Hirohara ,  Naoki Nakazawa ,  Toshifumi Mihashi

发明人： Yoko Hirohara ,  Naoki Nakazawa ,  Toshifumi Mihashi

IPC分类号： G02B2710

CPC分类号： A61B3/107 ,  A61B3/103

摘要： The present invention relates to an apparatus for precise measurement of optical characteristics, and has an object to provide an optical characteristic measuring apparatus comprising a position change unit for changing the positions of beams transformed by a first transforming member, wherein a first light source emits a luminous flux of a first wavelength, a first illumination optical system illuminates a minute area on the retina of the eye under examination with the luminous flux from the first light source, a first light receiving optical system leads light to a first light receiving unit through a transforming member for transforming the luminous flux having undergone at least one of transmission and reflection at at least one surface of the object of measurement into at least nine beams, a position change unit changes the positions of the beams transformed by the first transforming member, and an arithmetic unit can determine optical characteristics of the object of measurement based on a first signal from the first light receiving unit corresponding to the angle of inclination of the luminous flux.

摘要翻译： 本发明涉及一种用于精确测量光学特性的装置，其目的是提供一种光学特性测量装置，其包括用于改变由第一变换构件变换的光束的位置的位置改变单元，其中第一光源发射 第一波长的光通量，第一照明光学系统利用来自第一光源的光束照射检查眼睛的视网膜上的微小区域，第一光接收光学系统将光通过第一光接收单元引导到第一光接收单元 变换构件，用于将在测量对象的至少一个表面上进行了至少一个透射和反射的光束变换为至少九个光束，位置改变单元改变由第一变换构件转换的光束的位置，以及 算术单元可以确定测量对象的光学特性 基于来自第一光接收单元的与光束的倾斜角对应的第一信号。

公开(公告)号：US07677731B2

公开(公告)日：2010-03-16

申请号：US11940886

申请日：2007-11-15

申请人： Toshifumi Mihashi ,  Yoko Hirohara ,  Takashi Fujikado ,  Naoyuki Maeda

发明人： Toshifumi Mihashi ,  Yoko Hirohara ,  Takashi Fujikado ,  Naoyuki Maeda

IPC分类号： A61B3/10 ,  A61B3/00

CPC分类号： A61B3/1015 ,  A61B3/10

摘要： Scattering can be measured by using an optical system having a Hartman-Shack wave-surface sensor. An eye optical characteristic measuring instrument comprises a light source unit 10 for emitting a light beam of a wavelength in the near-infrared region, an illumination optical system 40 for illuminating a small area of the retinal of an eye to be measured with the light beam from the light source unit 10, a light-receiving optical system 20 for receiving a part of the reflected beam of the light beam from the light source unit 10 reflected from the retina through a converting member for converting the part of the reflected light beam into at least substantially 17 light beams, a light-receiving section 23 for receiving the received light beam directed by the light-receiving optical system 20 and generating a signal, and a calculating unit for determining the wavefront aberration of the light beam entering the light-receiving optical system 20 and the degree of scattering of the received light beam on the basis of the signal from the light-receiving section 23.

摘要翻译： 可以通过使用具有Hartman-Shack波表面传感器的光学系统来测量散射。 眼睛光学特性测量仪器包括用于发射近红外区域的波长的光束的光源单元10，用于用光束照射待测眼睛的视网膜的小区域的照明光学系统40 来自光源单元10的光接收光学系统20，用于接收来自光源单元10的光束的反射光束的一部分，该光源单元10从视网膜反射通过转换部件，用于将部分反射光束转换成 至少基本上17个光束，用于接收由光接收光学系统20引导的接收光束并产生信号的光接收部分23，以及用于确定进入发光装置的光束的波前像差的计算单元， 基于来自光接收部23的信号，接收光学系统20和接收光束的散射程度。

公开(公告)号：US07677728B2

公开(公告)日：2010-03-16

申请号：US11723624

申请日：2007-03-21

申请人： Yoko Hirohara ,  Toshifumi Mihashi

发明人： Yoko Hirohara ,  Toshifumi Mihashi

IPC分类号： A61B3/14

CPC分类号： A61B3/101

摘要： A subject is placed in a more natural state or is encouraged to blink at specified intervals to obtain a measurement result under a fixed condition, and the judgment of the degree of dry eye is facilitated. A measurement part obtains, based on a reflected light flux from a subject eye, optical characteristic data of a two-dimensional vector form representing the time course of each optical characteristic of the subject eye in an blink interval from a certain blink to a next blink with respect to the first to the nth blink intervals. An analysis part one-dimensionally arranges each of the optical characteristic data with respect to the first to the nth blink intervals measured by the measurement part, and arranges the one-dimensional arrangement of the optical characteristic in a p-th blink interval at a p column to create a two-dimensional array, and performs a principal component analysis processing on the two-dimensional array.

摘要翻译： 受试者处于更自然的状态，或鼓励以规定的间隔眨眼以在固定条件下获得测量结果，并且便于对干眼度的判断。 测量部件基于来自被检眼的反射光通量，从在特定的闪烁到下一次闪烁的眨眼间隔中获得表示被检眼的每个光学特性的时间过程的二维矢量形状的光学特性数据 相对于第一到第n个闪烁间隔。 分析部分对由测量部分测量的第一至第N闪烁间隔的每个光学特性数据进行一维排列，并将光学特性的一维布置在第p个闪烁间隔中排列在ap列 创建二维阵列，并对二维​​阵列进行主成分分析处理。

公开(公告)号：US20070153667A1

公开(公告)日：2007-07-05

申请号：US11607855

申请日：2006-12-04

申请人： Toshifumi Mihashi ,  Yoko Hirohara

发明人： Toshifumi Mihashi ,  Yoko Hirohara

IPC分类号： G11B7/00

CPC分类号： A61B3/032

摘要： A visual target presenting optical system has a light source that illuminates a visual target to be viewed by a subject, and a visual target presentation state changing unit that can change the direction in which the visual target will be presented to the subject. An alignment luminous flux casting unit casts an alignment luminous flux toward a subject eye at timing prior to the presentation of the visual target. An alignment light receiving optical system and a light receiving unit receive a reflected luminous flux from the subject eye reflecting the luminous flux. A change control unit instructs the visual target presentation state changing unit to change the visual target presenting direction on the basis of the light receiving position of the reflected luminous fluxes received by the light receiving unit.

摘要翻译： 视觉目标呈现光学系统具有照亮被摄体观看的视觉目标的光源，以及可以改变目标被呈现给对象的方向的视觉目标呈现状态改变单元。 对准光通量投射单元在呈现视觉目标之前的定时向对象眼投射对准光束。 对准光接收光学系统和光接收单元接收来自反射光束的来自被摄体的反射光束。 改变控制单元指示视觉目标呈现状态改变单元基于由光接收单元接收的反射光束的光接收位置来改变视觉目标呈现方向。

公开(公告)号：US06905209B2

公开(公告)日：2005-06-14

申请号：US10399612

申请日：2001-10-16

申请人： Toshifumi Mihashi ,  Yoko Hirohara ,  Naoyuki Maeda

发明人： Toshifumi Mihashi ,  Yoko Hirohara ,  Naoyuki Maeda

IPC分类号： A61B3/10 ,  A61B3/103 ,  A61B3/107

CPC分类号： A61B3/1015 ,  A61B3/10 ,  A61B3/107

摘要： Measurement data (measured results) obtained under a plurality of conditions and image data and/or numerical data corresponding to the measured results are displayed collectively or selectively. An optical characteristics measuring device (100) measures/displays, for example, the optical characteristics of an eye to be measured (60) as an object. A first lighting optical system (10) includes a first light source (11) for applying an optical flux of a specified pattern to the eye to be measured (60). A first light receiving optical system (20) includes a first light receiving unit (23) for receiving light reflected from the eye (60). A light transmitting/receiving optical system (30) mainly conducts an alignment adjustment, and includes a second light receiving unit (35) for receiving light reflected from the eye (60). A common optical system (40) is disposed on the optical axis of a light flux emitted from the first lighting optical system (10), and is commonly included in the first lighting.

摘要翻译： 在多个条件下获得的测量数据（测量结果）和对应于测量结果的图像数据和/或数值数据被集体地或选择性地显示。 光学特性测量装置（100）测量/显示例如作为对象的待测眼（60）的光学特性。 第一照明光学系统（10）包括用于将特定图案的光通量施加到被测量眼（60）的第一光源（11）。 第一光接收光学系统（20）包括用于接收从眼睛（60）反射的光的第一光接收单元（23）。 光发射/接收光学系统（30）主要进行对准调整，并且包括用于接收从眼睛（60）反射的光的第二光接收单元（35）。 普通光学系统（40）设置在从第一照明光学系统（10）发射的光束的光轴上，并且通常包括在第一照明中。

公开(公告)号：US07465049B2

公开(公告)日：2008-12-16

申请号：US10525540

申请日：2003-08-13

申请人： Naoyuki Maeda ,  Yoko Hirohara ,  Toshifumi Mihashi

发明人： Naoyuki Maeda ,  Yoko Hirohara ,  Toshifumi Mihashi

IPC分类号： A61B3/10

CPC分类号： A61B3/185 ,  A61B3/10 ,  A61B3/107 ,  A61B3/1208 ,  A61B3/14 ,  A61B3/152

摘要： A portable ophthalmic apparatus (1) according to the present invention comprises a supporting part (7) to which a cellular phone (2) having a photographing camera (5) is mounted detachably and a main body (6) which is provided with the supporting part (7) integrally and has an illumination optical system (13) projecting an illumination beam toward photographing objective eyes (E) along an illumination optical axis (O2) intersected at a predetermined angle with a photographing optical axis (O1).

摘要翻译： 根据本发明的便携式眼科装置（1）包括支撑部分（7），具有拍摄照相机（5）的便携式电话（2）可拆卸地安装在该支撑部分（7）上，主体（6）设置有支撑 一部分（7），并且具有照射光学系统（13），其沿着与拍摄光轴（O1）以预定角度相交的照明光轴（O2）将照明光束投射到拍摄目标眼睛（E）。

公开(公告)号：US07309126B2

公开(公告)日：2007-12-18

申请号：US10399611

申请日：2001-10-16

申请人： Toshifumi Mihashi ,  Yoko Hirohara ,  Naoyuki Maeda

发明人： Toshifumi Mihashi ,  Yoko Hirohara ,  Naoyuki Maeda

IPC分类号： A61B3/10 ,  A61B3/00

CPC分类号： A61B3/1015 ,  A61B3/107 ,  A61B3/113 ,  A61B3/152

摘要： A device for measuring eye characteristics, an operation device, and the coordinate origin and the coordinate axes of each eye are sufficiently related with one another. A measuring unit (111) measures eye optical characteristics based on a first light receiving signal from a first light receiving unit (23), and measures a cornea topography based on a second light receiving signal from a second light receiving unit (35). The measuring unit (111) also computes an ablation amount based on an aberration result.

摘要翻译： 用于测量眼睛特性的装置，操作装置以及每只眼睛的坐标原点和坐标轴彼此充分相关。 测量单元（111）基于来自第一光接收单元（23）的第一光接收信号测量眼睛光学特性，并且基于来自第二光接收单元（35）的第二光接收信号来测量角膜形貌。 测量单元（111）还基于像差结果计算消融量。

公开(公告)号：US07270413B2

公开(公告)日：2007-09-18

申请号：US10544229

申请日：2004-01-29

申请人： Yoko Hirohara ,  Toshifumi Mihashi

发明人： Yoko Hirohara ,  Toshifumi Mihashi

IPC分类号： A61B3/10 ,  A61B3/00

CPC分类号： A61B3/0025

摘要： It is possible to estimate optical characteristic according to a pupil diameter in daily life of an examinee, correction data near to the optimal prescription value, eyesight, and sensitivity. A calculation section receives measurement data indicating refractive power distribution of an eye to be examined and pupil data on the eye and calculates lower order and higher order aberrations according to the measurement data and the pupil data (S101 to 105). For example, a pupil edge is detected from the anterior ocular segment image and a pupil diameter is calculated. By using this pupil diameter, lower order and higher order aberrations are calculated. According to the lower order and higher order aberrations obtained, the calculation section performs simulation of a retina image by using high contrast or low contrast target and estimates the eyesight by comparing the result to a template and/or obtains sensitivity (S107). Alternatively, according to the lower order and the higher order aberrations obtained, the calculation section calculates an evaluation parameter indicating the quality of visibility by the eye to be examined such as the Strehl ratio, the phase shift (PTF), and the visibility by comparison of the retina image simulation with the template. According to the evaluation parameter calculated, the calculation section changes the lower order aberration amount so as to calculate appropriate correction data for the eye to be examined (S107). The calculation section outputs data such as the eyesight, sensitivity, correction data, and the simulation result to a memory or a display section (S109).

摘要翻译： 可以根据受检者的日常生活中的瞳孔直径估计光学特性，接近最佳处方值的校正数据，视力和灵敏度。 计算部分接收指示要检查的眼睛的屈光度分布和眼睛上的瞳孔数据的测量数据，并根据测量数据和瞳孔数据计算低阶和高阶像差（S101至105）。 例如，从前眼部图像检测瞳孔边缘，并计算瞳孔直径。 通过使用该瞳孔直径，计算较低阶和高次像差。 根据获得的较低阶和高阶像差，计算部通过使用高对比度或低对比度目标进行视网膜图像的模拟，并通过将结果与模板进行比较和/或获得灵敏度来估计视力（S107）。 或者，根据获得的低阶像素和高阶像差，计算部分通过比较来计算指示被检眼的可见度的评价参数，例如Strehl比，相移（PTF）和可见度 的视网膜图像模拟与模板。 根据计算出的评价参数，计算部分改变低阶像差量，以便计算用于被检眼的适当校正数据（S107）。 计算部分将诸如视力，灵敏度，校正数据和仿真结果的数据输出到存储器或显示部分（S109）。

公开(公告)号：US07246906B2

公开(公告)日：2007-07-24

申请号：US10527447

申请日：2003-09-10

申请人： Toshifumi Mihashi ,  Yoko Hirohara

发明人： Toshifumi Mihashi ,  Yoko Hirohara

IPC分类号： A61B3/00

CPC分类号： A61B3/1015 ,  A61B3/0025

摘要： The low-order aberration leading to better visual acuity is calculated from the results of measurement of an eye characteristic by an eye characteristic measuring instrument that can measure up to the high-order aberration, and data on a correction factor is collected, thereby obtaining a result more approximate to the subjective value. According to at least measurement data representing the wave aberration of the eye being examined (S401, S403), an image data creating unit creates optotype retina image data by conducting simulation of the visual acuity of an optotype (S405), considering the correction factor for refraction correction. A correction factor setting unit sets a correction factor to be given to the image data creating unit (S417). A judging unit judges from the correction opotype retina image data corrected by the correction factor whether or not an adequate correction factor is set (S407 to S421). The correction factor setting unit sets a correction factor on the basis of the results of judgment by the judging unit, and changes the correction factor until the judging unit judge that the correction factor is adequate.

摘要翻译： 通过可以测量高阶像差的眼睛特性测量仪器的眼睛特性的测量结果计算导致更好视力的低阶像差，并且收集关于校正因子的数据， 结果更接近主观价值。 根据至少表示被检查眼睛的波像差的测量数据（S 401，S 403），图像数据创建单元通过对视标的视敏度进行模拟来创建视标视网膜图像数据（S 405），考虑到 折射校正的校正因子。 校正因子设定单元设定要赋予图像数据创建单元的校正因子（S 417）。 判断单元从校正因子校正的校正型视网膜图像数据判断是否设定了适当的校正因子（S 407〜S 421）。 校正因子设定单元基于判断单元的判断结果来设定校正系数，并且改变校正因子，直到判断单元判断校正因子是否足够。