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    • 5. 发明申请
    • DEVICE FOR RELIABLY DETERMINING BIOMETRIC MEASUREMENT VARIABLES OF THE WHOLE EYE
    • 用于可靠地确定整个眼睛的生物量测量变量的设备
    • US20150238078A1
    • 2015-08-27
    • US14431450
    • 2013-09-27
    • CARL ZEISS MEDITEC AG
    • Ralf EbersbachMartin HackerGerard AntkowiakPeter KlopfleischFerid BajramovicTobias BührenMatthias Reich
    • A61B3/107A61B3/117A61B3/10
    • A61B3/107A61B3/1005A61B3/102A61B3/1173
    • A device for determining biometric variables of the eye, as are incorporated in the calculation of intraocular lenses including a multi-point keratometer and an OCT arrangement. The keratometer measurement points are illuminated telecentrically and detected telecentrically and the OCT arrangement is designed as a laterally scanning swept-source system with a detection region detecting the whole eye over the whole axial length thereof. The multi-point keratometer ensures that a sufficient number of keratometer points are available for measuring the corneal surface. By contrast, telecentricity ensures that the positioning inadequacies of the measuring instrument in relation to the eye to be measured do not lead to a local mismatch of the reflection points. The swept-source OCT scan detects the whole eye over the length thereof so that both anterior chamber structures and retina structures can be detected and a consistent whole eye image can be realized.
    • 一种用于确定眼睛的生物特征变量的装置,如并入计算包括多点角膜曲率测量仪和OCT装置的眼内透镜的装置。 角膜曲率计测量点以中心方式照射,并以心室方式被检测,并且OCT布置被设计为横向扫描扫描源系统,其检测区域在其整个轴向长度上检测整个眼睛。 多点角膜曲率计确保足够数量的角膜曲率计可用于测量角膜表面。 相比之下,远心性确保测量仪器相对于被测眼睛的定位不足不会导致反射点局部不匹配。 扫描OCT扫描检测整个眼睛的长度,从而可以检测到前房结构和视网膜结构,并且可以实现一致的全眼图像。