公开(公告)号：US20160150954A1

公开(公告)日：2016-06-02

申请号：US14955579

申请日：2015-12-01

Applicant: NIDEK CO., LTD.

Inventor： Yasuhiro FURUUCHI ,  Masaaki HANEBUCHI ,  Masakazu ENDO ,  Hajime NAMIKI ,  Naoki TAKENO

IPC: A61B3/10 ,  A61B3/12 ,  A61B3/00 ,  G01B9/02

CPC classification number: A61B3/102 ,  A61B3/0025 ,  A61B3/1005 ,  G01B9/02045 ,  G01B9/02091

Abstract: An optical coherence tomography device includes an OCT optical system; a processor. The processor executes: an image generation processing of processing first OCT signals, and generating, based on the first OCT signals, a three-dimensional motion contrast image which is obtained by imaging a moving object in the scanning position; a Doppler shift detection processing of detecting Doppler shift in a scanning position specified on the three-dimensional motion contrast image, the plurality of second OCT signals being detected at timings different from the timings when the plurality of first OCT signals are detected; and a velocity obtaining processing of obtaining an absolute velocity of the moving object based on the Doppler shift detected by the Doppler shift detection processing and a three-dimensional structure of the test subject obtained from the three-dimensional motion contrast image generated by the image generation processing.

Abstract translation: 光学相干断层摄影装置包括OCT光学系统; 一个处理器 处理器执行：处理第一OCT信号的图像生成处理，并且基于第一OCT信号生成通过在扫描位置对运动对象进行成像而获得的三维运动对比图像; 多普勒频移检测处理，其检测在所述三维运动对比图像上指定的扫描位置中的多普勒频移，所述多个第二OCT信号在与所述多个第一OCT信号被检测到的定时不同的定时被检测; 以及基于由多普勒频移检测处理检测到的多普勒频移和从由图像生成产生的三维运动对比度图像获得的测试对象的三维结构来获得运动物体的绝对速度的速度获取处理 处理。

公开(公告)号：US20150335479A1

公开(公告)日：2015-11-26

申请号：US14635651

申请日：2015-03-02

Applicant: NIDEK CO., LTD.

Inventor： Takayoshi SHIBATA ,  Masakazu ENDO ,  Tomohiro MIYAGI ,  Michihiro TAKII ,  Masaaki HANEBUCHI

IPC: A61F9/009 ,  A61F9/008

CPC classification number: A61F9/009 ,  A61F9/008 ,  A61F9/00825 ,  A61F2009/00851

Abstract: An ophthalmic laser surgery apparatus includes an irradiation optical system and including an objective lens, and treats a patient's eye by using a laser beam. The ophthalmic laser surgery apparatus includes a delivery unit that includes an irradiation end unit, includes at least a portion of the irradiation optical system, and optically guides the laser beam, a first movement unit that includes a first drive section and integrally moves the irradiation end unit and an eyeball fixing unit which is connected to the delivery unit and fixes the patient's eye, a second movement unit that includes a second drive section and moves the eyeball fixing unit by driving the second drive section, and drive control means for controlling driving of the first drive section and driving of the second drive section, and individually moving the first movement unit and the second movement unit.

Abstract translation: 眼科激光手术装置包括照射光学系统并且包括物镜，并且通过使用激光束来治疗患者的眼睛。 眼科激光手术装置包括：投射单元，其包括照射端单元，包括照射光学系统的至少一部分，并且光学地引导激光束;第一移动单元，包括第一驱动部，并且使照射端 单元和眼球固定单元，其连接到输送单元并固定病人的眼睛;第二运动单元，包括第二驱动部分，并且通过驱动第二驱动部分来移动眼球定影单元;以及驱动控制装置， 第一驱动部分和第二驱动部分的驱动，并且单独地移动第一移动单元和第二移动单元。

公开(公告)号：US20130135582A1

公开(公告)日：2013-05-30

申请号：US13684284

申请日：2012-11-23

Applicant: NIDEK CO., LTD.

Inventor： Masaaki HANEBUCHI ,  Michihiro TAKII ,  Masakazu ENDO

IPC: A61B3/00

CPC classification number: A61B3/0016 ,  A61B3/0025 ,  A61B3/1015

Abstract: An ophthalmic apparatus includes: an input unit configured to obtain corneal incision information that is information on a corneal incision to be formed on a cornea of an examinee's eye; an imaging device configured to image an examinee's eye image; and a controller. The controller is configured to calculate first wavefront aberration distribution that is wavefront aberration distribution of the cornea before incision on the examinee's eye based on the examinee's eye image, obtain incision aberration information corresponding to the corneal incision information; calculate second wavefront aberration distribution that is wavefront aberration distribution after formation of the incision based on the first wavefront aberration distribution and the incision aberration information, and output guide information that guides an intraocular lens surgery based on the second wavefront aberration distribution.

Abstract translation: 眼科装置包括：输入单元，被配置为获得角膜切口信息，所述角膜切口信息是关于要在被检眼的角膜上形成的角膜切口的信息; 成像装置，被配置为对受检者的眼睛图像进行成像; 和控制器。 控制器被配置为基于受检者的眼睛图像计算在切眼之前角膜的波前像差分布的第一波前像差分布，获得与角膜切口信息相对应的切口像差信息; 基于第一波前像差分布和切口像差信息计算形成切口后的波前像差分布的第二波前像差分布，以及基于第二波前像差分布来引导眼内透镜手术的输出引导信息。

公开(公告)号：US20130107208A1

公开(公告)日：2013-05-02

申请号：US13664751

申请日：2012-10-31

Applicant: Nidek Co., Ltd.

Inventor： Masakazu ENDO ,  Masaaki HANEBUCHI

IPC: A61B3/14

CPC classification number: A61B3/14 ,  A61B3/10

Abstract: An intraocular lens power determination apparatus for determining a highly precise IOL power, the apparatus including: an anterior segment imaging device for obtaining a cross-sectional image of an anterior segment by detecting reflection from the anterior segment of an examinee's eye; and a power calculation unit obtaining an offset distance from a front surface of a lens to a point of contact of a Zinn's zonule with the lens based on the anterior segment cross-sectional image obtained by the anterior segment imaging device and calculating a prospective postoperative anterior chamber depth by adding the offset distance to an anterior chamber depth of an eye so that the IOL power is calculated by using the prospective postoperative anterior chamber depth.

Abstract translation: 一种用于确定高精度IOL功率的眼内透镜功率确定装置，所述装置包括：前段成像装置，用于通过检测来自被检眼的前部的反射来获得前段的横截面图像; 以及功率计算单元，基于由前段成像装置获得的前段横截面图像获得从透镜的前表面到Zinn的区域与透镜的接触点的偏移距离，并计算前瞻性前视图 通过将偏移距离添加到眼睛的前房深度，使得通过使用术前前房深度的前瞻性来计算IOL功率来确定腔室深度。

公开(公告)号：US20160317028A1

公开(公告)日：2016-11-03

申请号：US15141973

申请日：2016-04-29

Applicant: NIDEK CO., LTD.

Inventor： Keiji MURATA ,  Masaaki HANEBUCHI ,  Masakazu ENDO

IPC: A61B3/10 ,  A61B3/12 ,  A61B3/00 ,  A61B3/117

CPC classification number: A61B3/102 ,  A61B3/0025 ,  A61B3/1025 ,  A61B3/117 ,  A61B3/1225

Abstract: An ophthalmic imaging device for capturing a tomographic image of an eye, includes: an OCT optical system detecting interference of reference light and measurement light; a measurement optical system including an optical scanner and an objective optical system, the optical scanner being configured to deflect the measurement light to perform scanning with the measurement light; a driver configured to displace a relative position of the optical scanner with respect to the objective optical system in an optical axis direction; and a controller configured to control the driver to adjust a turning position of the measurement light in the optical axis direction. The controller changes the turning position between a first position corresponding to a first depth band of the eye and a second position corresponding to a second depth band of the eye which is different from the first depth band.

Abstract translation: 一种用于捕获眼睛的断层图像的眼科成像装置，包括：检测参考光和测量光的干涉的OCT光学系统; 包括光学扫描器和物镜光学系统的测量光学系统，所述光学扫描器被配置为使所述测量光偏转以用所述测量光进行扫描; 驱动器，被配置为沿光轴方向相对于物镜光学系统移位光学扫描器的相对位置; 以及控制器，被配置为控制驾驶员调整测量光在光轴方向上的转动位置。 控制器在对应于眼睛的第一深度带的第一位置和对应于与第一深度带不同的眼睛的第二深度带的第二位置之间改变转动位置。

公开(公告)号：US20160038023A1

公开(公告)日：2016-02-11

申请号：US14813846

申请日：2015-07-30

Applicant: NIDEK CO., LTD.

Inventor： Masakazu ENDO ,  Masaaki HANEBUCHI ,  Yasuhiro FURUUCHI

IPC: A61B3/10 ,  A61B3/00 ,  G01B9/02

CPC classification number: A61B3/1005 ,  A61B3/00 ,  A61B3/0025 ,  A61B3/10 ,  A61B3/102 ,  G01B9/02051 ,  G01B9/02083 ,  G01B9/02091

Abstract: The present invention relates to an ophthalmologic apparatus for acquiring depth information of an eye including a light source; a measurement optical path guiding measurement light; a reference optical path generating reference light; and a detector generating a detection signal containing an interference signal of the measurement light via the measurement optical path and the reference light coming from the reference optical path; an actuator driving at least part of the interference optical system to vary an optical path length difference between the measurement optical path and the reference optical path; a standard optical system including optical members disposed corresponding to the optical path length differences in one of the measurement optical path and the reference optical path. Optical members guide part of the measurement light or the reference light to the detector.

Abstract translation: 本发明涉及一种用于获取包括光源的眼睛的深度信息的眼科装置; 导向测量光的测量光路; 参考光路产生参考光; 以及检测器，其经由所述测量光路和来自所述参考光路的参考光产生包含所述测量光的干扰信号的检测信号; 致动器驱动所述干涉光学系统的至少一部分，以改变所述测量光路和所述参考光路之间的光程长度差; 标准光学系统，包括与测量光路和参考光路之一中的光路长度差对应设置的光学部件。 光学构件将部分测量光或参考光引导到检测器。