发明名称 Back projection visual field tester
摘要 One embodiment of the present invention is a visual field tester that includes: (a) a projection screen; (b) a stimulus projection system that projects a light stimulus onto a first side of the projection screen; (c) a background projection system that projects a background light onto the first side of the projection screen; and (d) a lens system disposed on a second side of the projection screen that directs light transmitted through the projection screen to a predetermined location.
申请公布号 US6688744(B2) 申请公布日期 2004.02.10
申请号 US20010016536 申请日期 2001.12.10
申请人 CARL ZEISS MEDITEC, INC. 发明人 WEI JAY;WEI JIANPING;BAKER CHRISTOPHER J. R. V.
分类号 A61B3/024;(IPC1-7):A61B3/14 主分类号 A61B3/024
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