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公开(公告)号：EP2420181B1
公开(公告)日：2018-03-07
申请号：EP10764219.1
申请日：2010-04-02
CPC分类号： A61B3/152 , A61B3/102 , A61B3/113 , A61B3/12 , A61B3/1225 , A61B3/14 , G06T7/73 , G06T2207/10101 , G06T2207/20068 , G06T2207/30041
摘要： The fundus observation apparatus 1 has a function to form tomographic images and 3-dimensional images of a fundus Ef by scanning signal light LS as well as a function to form a moving image (observation image K) of a fundus Ef during OCT measurement. Furthermore, the fundus observation apparatus 1 includes an x-correction part 231 and a y-correction part 232 for correcting a position in the fundus surface direction of the 3-dimensional image based on the observation image K, and a z-correction part 233 for correcting the position in the fundus depth direction of a 3-dimensional image, based on a tomographic image Gi of the fundus Ef based on the detection results of interference light LC of separately scanned signal light LS and reference light LR.
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公开(公告)号：EP2420181A1
公开(公告)日：2012-02-22
申请号：EP10764219.1
申请日：2010-04-02
CPC分类号： A61B3/152 , A61B3/102 , A61B3/113 , A61B3/12 , A61B3/1225 , A61B3/14 , G06T7/73 , G06T2207/10101 , G06T2207/20068 , G06T2207/30041
摘要： The fundus observation apparatus 1 has a function to form tomographic images and 3-dimensional images of a fundus Ef by scanning signal light LS as well as a function to form a moving image (observation image K) of a fundus Ef during OCT measurement. Furthermore, the fundus observation apparatus 1 includes an x-correction part 231 and a y-correction part 232 for correcting a position in the fundus surface direction of the 3-dimensional image based on the observation image K, and a z-correction part 233 for correcting the position in the fundus depth direction of a 3-dimensional image, based on a tomographic image Gi of the fundus Ef based on the detection results of interference light LC of separately scanned signal light LS and reference light LR.
摘要翻译： 眼底观察设备1具有通过扫描信号光LS来形成眼底Ef的断层图像和三维图像的功能以及在OCT测量期间形成眼底Ef的运动图像（观察图像K）的功能。 此外，眼底观察设备1包括x校正部分231和y校正部分232，z校正部分233基于观察图像K校正三维图像在眼底表面方向上的位置 用于基于分开扫描的信号光LS和参考光LR的干涉光LC的检测结果，基于眼底Ef的断层图像Gi来校正三维图像的眼底深度方向上的位置。
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公开(公告)号：EP2425763A1
公开(公告)日：2012-03-07
申请号：EP10769448.1
申请日：2010-04-02
发明人： HAYASHI, Takefumi
CPC分类号： A61B3/12 , A61B3/032 , A61B3/102 , A61B3/1225 , A61B3/14
摘要： The controller 210 changes the projection region of the Landolt ring T on the fundus Ef by changing, based on the scanning region R, the relative display position of the Landolt ring T and the fixation target V on the LCD 39, thereby overlapping the scanning region R and the projection region each other. Under this condition, the fundus observation apparatus 1 executes the eyesight measurement and OCT measurement, obtains the eyesight value at the site of interest of the fundus Ef, and forms a tomographic image of the fundus Ef in the scanning region R. The controller 210 stores in the storage 212 the eyesight value at the site of interest and the tomographic image corresponding to the scanning line closest to the measurement position of eyesight while correlating them with each other, and allows them to be displayed on the display device 3.
摘要翻译： 通过基于扫描区域R改变LCD39上的Landolt环T和固视目标V的相对显示位置，控制器210改变Landolt环T在眼底Ef上的投影区域，从而使扫描区域 R和投影区域彼此之间。 在这种情况下，眼底观察设备1执行视力测量和OCT测量，获得眼底Ef的感兴趣部位处的视力值，并且在眼底扫描区域R中形成眼底Ef的断层图像。控制器210存储 在存储部212中存储关注部位的视力值和与最靠近视力的测量位置的扫描线相对应的断层图像，同时将它们相互关联，并允许它们显示在显示装置3上。
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公开(公告)号：EP2277436B1
公开(公告)日：2014-05-07
申请号：EP09750310.6
申请日：2009-03-11
CPC分类号： A61B3/102 , G01N21/4795
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公开(公告)号：EP2301423A1
公开(公告)日：2011-03-30
申请号：EP09766377.7
申请日：2009-06-08
CPC分类号： A61B3/1005 , A61B3/102 , G01B9/02028 , G01B9/02085 , G01B9/02091 , G01B11/2441
摘要： An optical image measuring device 1 splits low-coherence light L0 into signal light LS and reference light LR, and splits an optical path of the reference light LR into two optical paths having different optical path lengths to split the reference light LR into two reference lights LRa, LRb. Furthermore, the optical image measuring device 1 makes the reference lights LRa, LRb interfere with the signal light LS propagated through an eye E, generates an interference light LC reflecting a morphology in each of two depth positions (fundus oculi Ef and cornea Ec) of an eye E, and detects the interference light LC to generate a detection signal. Then, the optical image measuring device 1 forms a fundus oculi tomographic image and a cornea tomographic image based on the detection signals, and analyzes the tomographic images to obtain a distance between the cornea and retina of the eye E.
摘要翻译： 光学图像测量装置1将低相干光L0分离成信号光LS和参考光LR，并且将参考光LR的光路分成具有不同光程长度的两个光路，以将参考光LR分成两个参考光 LRa，LRb。 此外，光学图像测量装置1使参考光LRa，LRb干扰通过眼睛E传播的信号光LS，产生反映两个深度位置（眼底Ef和角膜Ec）中的每一个的形态的干涉光LC 眼睛E，并检测干涉光LC以产生检测信号。 然后，光学图像测量装置1基于检测信号形成眼底断层图像和角膜断层图像，并分析断层图像以获得眼睛E的角膜和视网膜之间的距离。
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公开(公告)号：EP2177896B1
公开(公告)日：2018-05-02
申请号：EP08790341.5
申请日：2008-08-01
CPC分类号： G01N21/4795 , A61B3/102 , A61B3/1025
摘要： Such an optical image measurement device is provided that is capable of acquiring a clear image even when the intensity of an interference light is low. A fundus oculi observation device 1 is configured to superimpose a signal light LS propagated through a fundus oculi Ef and a reference light LR propagated through a reference mirror 174 to generate an interference light LC, detect the interference light LC, and form an image of the fundus oculi Ef. The device 1 determines whether the intensity of a detection signal of the interference light LC is equal to or more than a predetermined threshold and, when determines that the intensity is less than the predetermined threshold, controls to increase the intensity of the detection signal of the interference light LC. The device 1 forms an image of the fundus oculi Ef based on the detection signal with the increased intensity.
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公开(公告)号：EP2301423B1
公开(公告)日：2017-05-31
申请号：EP09766377.7
申请日：2009-06-08
CPC分类号： A61B3/1005 , A61B3/102 , G01B9/02028 , G01B9/02085 , G01B9/02091 , G01B11/2441
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9.发明公开OPTICAL IMAGE MEASUREMENT DEVICE AND METHOD FOR CONTROLLING SAME 审中-公开VERFAHREN ZU IHRER STEUERUNG OPTISCHE BILDMESSVORRICHTUNG
公开(公告)号：EP2374404A1
公开(公告)日：2011-10-12
申请号：EP09837440.8
申请日：2009-12-07
发明人： HAYASHI, Takefumi
CPC分类号： A61B3/14 , A61B3/102 , A61B3/117 , A61B3/12 , G01B9/02028 , G01B9/02029 , G01B9/02044 , G01B9/02063 , G01B9/02091
摘要： A low-coherence light is split into a signal light and a reference light. The optical path length of the reference light is switched to optical path lengths that correspond to a first depth zone and a second depth zone. When forming a tomographic image of the second depth zone, in an optical system that condenses the signal light to the first depth zone when a measured object and an objective lens are located at a predetermined working distance, while being positioned at the working distance, a depth zone switching lens that transitions the depth at which the signal light is condensed to the second depth zone is inserted.
摘要翻译： 低相干光被分成信号光和参考光。 参考光的光程长度被切换为对应于第一深度区和第二深度区的光程长度。 当形成第二深度区域的断层图像时，在被测量的物体和物镜位于预定的工作距离的同时在位于工作距离处的信号光中将信号光冷凝到第一深度区域的光学系统中， 插入将信号光会聚到第二深度区域的深度的深度区域切换透镜。
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公开(公告)号：EP2277436A1
公开(公告)日：2011-01-26
申请号：EP09750310.6
申请日：2009-03-11
CPC分类号： A61B3/102 , G01N21/4795
摘要： A fundus oculi observing device 1 specifies a characteristic site of a fundus oculi Ef depicted in tomographic images of the fundus oculi Ef and, based on the position of the characteristic site within frames FH and FV of the tomographic images, changes a target position of a signal light LS so that the characteristic site is depicted in the center positions within the frames FH and FV and executes a main measurement, thereby forming a tomographic image and/or a three-dimensional image of the fundus oculi Ef.
摘要翻译： 眼底观察装置1指定眼底Ef的断层图像中描绘的眼底Ef的特征部位，并且基于断层图像的帧FH和FV内的特征部位的位置，改变目标位置 信号光LS，使得特征部位被描绘在帧FH和FV内的中心位置，并执行主要测量，从而形成眼底Ef的断层图像和/或三维图像。
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