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    • 11. 发明申请
    • METHOD FOR DETERMINING EXUDATES IN THE RETINA
    • 确定RETINA中的外来者的方法
    • WO2010122118A1
    • 2010-10-28
    • PCT/EP2010/055375
    • 2010-04-22
    • SCHMIDT-ERFURTH, UrsulaHITZENBERGER, ChristophBOLZ, MatthiasPIRCHER, MichaelDEAK, Gabor-GyörgyBAUMANN, BernhardGÖTZINGER, Erich
    • SCHMIDT-ERFURTH, UrsulaHITZENBERGER, ChristophBOLZ, MatthiasPIRCHER, MichaelDEAK, Gabor-GyörgyBAUMANN, BernhardGÖTZINGER, Erich
    • A61B3/12A61B5/00
    • A61B3/102
    • The present invention relates to a method for detecting exudates and/or micro-exudates in the retina of an eye by imaging said retina with a polarisation sensitive optical coherence tomography (OCT) technique comprising the steps of a) illuminating the retina of said eye with light produced by a polarisation sensitive optical coherence tomography light source, b) scanning the retina with said light and collecting the reflection light or backscattered light generated in each scanned point in the retina of said eye using signal light collecting means, c) processing the interf erometric signals obtained in at least one polarisation channel, and d) determining the polarisation properties of said reflection light or backscattered light, and e) detecting exudates and/or micro-exudates in the retinal layers lying anterior to the retinal pigment epithelium, when the polarisation properties of the reflection light or of the backscattered light of a scanned point deviate from the polarisation properties of light backscattered at structures that are polarisation preserving or biref ringent.
    • 本发明涉及一种用偏振敏感光学相干断层摄影(OCT)技术对所述视网膜进行成像来检测眼睛视网膜中的渗出物和/或微渗出物的方法,包括以下步骤:a)用所述眼睛的视网膜照射所述眼睛的视网膜, 由偏振光学相干断层摄影光源产生的光,b)用所述光扫描视网膜,并使用信号光收集装置收集在所述眼睛的视网膜中的每个扫描点中产生的反射光或反向散射光,c) 在至少一个偏振通道中获得的色差信号,以及d)确定所述反射光或反向散射光的偏振特性,以及e)检测位于视网膜色素上皮之前的视网膜层中的渗出物和/或微渗出物, 反射光或扫描点的反向散射光的偏振特性偏离偏振光 在偏振保留或双折射环境的结构处的光的背光散射的操作。