发明名称 EYE CHART DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide an eye chart device which can quickly present a targeted visual target. <P>SOLUTION: This eye chart device 1 is equipped with a flat panel display 7 which emits illuminating light, a film member 63 on which visual targets for eye examination are formed, roller sections 5A and 5B which are arranged above a visual target displaying window 3 (visual target presenting position), and roller sections 5C and 5D which are arranged under the visual target displaying window 3, and a driving mechanism section 50 which turns the roller sections 5C and 5D. The eye-examination chart device 1 is also equipped with annular guiding belts 61A and 61B which guide a film member 63 in such a manner that the film member 63 may move along an annular locus which passes respective roller sections 5A to 5D and the visual target presenting position in response to the turning of the roller sections 5C and 5D by the driving mechanism section 50. The film member which is arranged at the visual target presenting position is illuminated by the flat panel display 7, and the visual target is presented to an eye to be examined. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006204514(A) 申请公布日期 2006.08.10
申请号 JP20050020024 申请日期 2005.01.27
申请人 TOPCON CORP 发明人 IKEZAWA YUKIO
分类号 A61B3/02 主分类号 A61B3/02
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