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公开(公告)号:EP1939579B1
公开(公告)日:2018-10-31
申请号:EP07024818.2
申请日:2007-12-20
CPC分类号: G01B9/02067 , A61B3/102 , G01B9/0203 , G01B9/02044 , G01B9/02064 , G01B9/02089 , G01B9/02091 , G01N21/4795
摘要: A fundus oculi observation device acts as an optical image measurement device capable of measuring an OCT image such as a tomographic image of a fundus oculi, or the like, and is configured so as to calculate the signal level of the formed OCT image, determine whether the signal level exceeds a threshold value, and change the position of a reference mirror so that the signal level is determined to exceed the threshold value.
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公开(公告)号:EP1426006B1
公开(公告)日:2011-09-21
申请号:EP03027810.5
申请日:2003-12-03
发明人: Hayashi, Takefumi
CPC分类号: A61B3/0325 , A61B3/032 , A61B3/036 , A61B3/152
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公开(公告)号:EP1950526B1
公开(公告)日:2010-03-10
申请号:EP08001367.5
申请日:2008-01-24
CPC分类号: G01B9/0203 , A61B3/102 , G01B9/02044 , G01B9/02068 , G01B9/02091 , G01N21/359 , G01N21/4795 , G01N2021/1787
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公开(公告)号:EP1939580B1
公开(公告)日:2013-11-20
申请号:EP07024819.0
申请日:2007-12-20
CPC分类号: G01B9/02068 , A61B3/10 , A61B3/102 , A61B3/12 , G01B9/0203 , G01B9/02044 , G01B9/02064 , G01B9/02089 , G01B9/02091 , G01B2290/65
摘要: An optical image measurement device comprises: a light source configured to emit a low-coherence light; an interference-light generator configured to generate an interference light, by splitting the low-coherence light into a signal light and a reference light, and superimposing the signal light passed through a measurement object and the reference light passed through a reference object; a changer configured to change a difference in optical path length; a detector configured to detect the interference light; an image forming part configured to form an image of the measurement object within a predetermined frame based on the result of the detection; an analyzer configured to analyze the image, and specify a position of the image within the frame; and a controller configured to control the changer based on the specified position to change the difference so that an image newly formed is placed in a predetermined position within the frame.
摘要翻译: 一种光学图像测量装置,包括:光源,被配置为发射低相干光; 干涉光发生器,被配置为通过将所述低相干光分成信号光和参考光并且将穿过测量对象的信号光和穿过参考对象的参考光叠加来产生干涉光; 改变器,被配置为改变光程长度的差异; 检测器,被配置为检测干涉光; 图像形成部件,被配置为基于检测结果在预定帧内形成测量对象的图像; 分析器,被配置为分析图像,并且指定图像在帧内的位置; 以及控制器,被配置为基于指定位置控制变更器以改变差异,使得新形成的图像被置于框架内的预定位置。
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公开(公告)号:EP1426006A1
公开(公告)日:2004-06-09
申请号:EP03027810.5
申请日:2003-12-03
发明人: Hayashi, Takefumi
CPC分类号: A61B3/0325 , A61B3/032 , A61B3/036 , A61B3/152
摘要: According to the present invention, there is provided an ophthalmologic apparatus in which identifying power for the index or an index indicating state is improved to eliminate the confusion of a person to be examined, so that an eye examination time period can be shortened and the reliability of an eye examination can be improved. The ophthalmologic apparatus includes an index plate that displays an index, an index projecting optical system that projects the index to an eye to be examined, a variable cross cylinder that produces a pair of index indicating states of the index used for a cross cylinder test, a lamp and a liquid crystal screen that generate identifiers serving as identification information, and a dichroic mirror that combines the identifiers with the pair of index indicating states to be indicated to the eye to be examined.
摘要翻译: 根据本发明,提供了一种眼科装置,其中提高了指标或指标指示状态的识别功率以消除被检查者的混淆,使得可以缩短眼睛检查时间段并且可靠性 可以改善眼睛检查。 该眼科装置包括:索引板,其将索引投影到要检查的眼睛上的折射率投影光学系统;产生用于十字圆筒测试的指标的一对指示状态的可变交叉圆柱; 生成用作识别信息的标识符的灯和液晶屏幕,以及将标识符与要指示的待检查眼睛指示状态的一对指示符组合的二向色镜。
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公开(公告)号:EP1950526A1
公开(公告)日:2008-07-30
申请号:EP08001367.5
申请日:2008-01-24
CPC分类号: G01B9/0203 , A61B3/102 , G01B9/02044 , G01B9/02068 , G01B9/02091 , G01N21/359 , G01N21/4795 , G01N2021/1787
摘要: An optical image measuring device, like a Spectral-Domain Optical Coherence Tomograph, forms an image of an object to be measured based on a result of light-receiving by a light-receiving part like a CDD camera (184) as part of a spectrometer. This optical image measuring device comprises: a specifying part configured to specify the light irradiated state of the light-receiving surface of the light-receiving part with respect to a light guiding part (165), like an optical fibre, and a dispersion part (182); and an altering part (244) configured to alter the relative position and/or orientation between a light-receiving surface and the exit end (165a) of the light guiding part (165), based on the light irradiated state.The light irradiated state is an indication of how the light impinges on the surface of the detector (184).
摘要翻译: 光谱图像测量装置,如光谱域光学相干断层扫描仪,基于由像CDD相机(184)的光接收部分的光接收的结果而形成待测物体的图像,作为光谱仪的一部分 。 该光学图像测量装置包括:指定部分,被配置为指定光接收部分的光接收表面相对于诸如光纤的导光部分(165)和分散部分( 182); 以及改变部分(244),其被配置为基于光照射状态来改变光导部分(165)的光接收表面和出射端(165a)之间的相对位置和/或取向。光照射状态 是光如何撞击在检测器(184)的表面上的指示。
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公开(公告)号:EP2752151B1
公开(公告)日:2019-12-18
申请号:EP14001193.3
申请日:2010-04-02
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公开(公告)号:EP2752151A1
公开(公告)日:2014-07-09
申请号:EP14001193.3
申请日:2010-04-02
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: 眼底观察装置1具有通过扫描信号光LS形成截面图像和眼底Ef的3维图像以及在OCT测量期间形成眼底Ef的运动图像(观察图像K)的功能的功能。 此外,眼底观察装置1包括基于观察图像K来校正三维图像的眼底表面方向的位置的x校正部231和y校正部232,以及z校正部233 基于单独扫描信号光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的位置。
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公开(公告)号:EP1939580A3
公开(公告)日:2013-04-03
申请号:EP07024819.0
申请日:2007-12-20
CPC分类号: G01B9/02068 , A61B3/10 , A61B3/102 , A61B3/12 , G01B9/0203 , G01B9/02044 , G01B9/02064 , G01B9/02089 , G01B9/02091 , G01B2290/65
摘要: An optical image measurement device comprises: a light source configured to emit a low-coherence light; an interference-light generator configured to generate an interference light, by splitting the low-coherence light into a signal light and a reference light, and superimposing the signal light passed through a measurement object and the reference light passed through a reference object; a changer configured to change a difference in optical path length; a detector configured to detect the interference light; an image forming part configured to form an image of the measurement object within a predetermined frame based on the result of the detection; an analyzer configured to analyze the image, and specify a position of the image within the frame; and a controller configured to control the changer based on the specified position to change the difference so that an image newly formed is placed in a predetermined position within the frame.
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公开(公告)号:EP1939579A3
公开(公告)日:2009-07-22
申请号:EP07024818.2
申请日:2007-12-20
IPC分类号: G01B9/02
CPC分类号: G01B9/02067 , A61B3/102 , G01B9/0203 , G01B9/02044 , G01B9/02064 , G01B9/02089 , G01B9/02091 , G01N21/4795
摘要: A fundus oculi observation device acts as an optical image measurement device capable of measuring an OCT image such as a tomographic image of a fundus oculi, or the like, and is configured so as to calculate the signal level of the formed OCT image, determine whether the signal level exceeds a threshold value, and change the position of a reference mirror so that the signal level is determined to exceed the threshold value.
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