发明名称 A visual acuity testing apparatus.
摘要 <p>A visual acuity testing apparatus is herein disclosed which comprises a test chart displayer having a display surface pointing to upward direction; a first reflector for downwardly reflecting a light beam the test chart displayer, disposed above the displayer; and a second reflector for reflecting the light beam, reflected by the first reflector, towards eyes to be tested.</p><p>Moreover, in the visual acuity testing apparatus according to the invention, the test chart displayer and the first reflector for reflecting and propagating the light beam from the displayer are contained in a leg of a table and the second reflector for reflecting the light beam from the first reflector towards the eyes to be tested is supported by a supporting arm of the table. </p>
申请公布号 EP0229570(A2) 申请公布日期 1987.07.22
申请号 EP19860402938 申请日期 1986.12.24
申请人 TOKYO KOGAKU KIKAI KABUSHIKI KAISHA 发明人 ISHIHARA, TAKETOSHI
分类号 A61B3/02;A61B3/18 主分类号 A61B3/02
代理机构 代理人
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