发明名称 Method and a device for measuring reading ability and/or visual acuity
摘要 This invention relates to a method for measuring reading ability, wherein the test subject reads text passages at a predetermined distance from the eyes of the test subject, the text size of the passages varying in steps in the reading order, the measurer assessing the test subject's reading ability on the basis of what the measurer hears. According to the invention, each text passage contains at least one numeral word, indicating the visual acuity required by the said text passage. The invention also relates to an auxiliary device (1) for positioning the test subject's eyes at the desired distance from the object being viewed, and according to the invention this is achieved using an auxiliary device set having a plurality of parts (2) of different lengths, linkable to one another in succession, from which parts the length corresponding to each desired distance is obtained by selecting and, when necessary, by linking them together.
申请公布号 US2003103192(A1) 申请公布日期 2003.06.05
申请号 US20020220473 申请日期 2002.08.30
申请人 LEINONEN MARKKU 发明人 LEINONEN MARKKU
分类号 A61B3/032;(IPC1-7):A61B3/02 主分类号 A61B3/032
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