发明名称 Optotype presenting apparatus
摘要 An optotype presenting apparatus for presenting an optotype to be used for testing a visual function of an eye of an examinee, the apparatus comprises: a display unit including a memory in which a plurality of optotypes is stored and a display on which at least one of the stored optotypes is displayed; an operation unit by which at lest one of the stored optotypes to be displayed on the display is selected; a pilot lamp placed to be visible by the examinee who is in front of the display; and a control unit which turns on the pilot lamp when the display unit is powered on and the display is in an off-state, and turns off the pilot lamp when the display unit is powered on and the display is in an on-state.
申请公布号 US2008002153(A1) 申请公布日期 2008.01.03
申请号 US20070819267 申请日期 2007.06.26
申请人 NIDEK CO., LTD. 发明人 KANAZAWA YUICHIRO;KOBAYASHI TOSHIYA
分类号 A61B3/032 主分类号 A61B3/032
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