The utility model discloses an eyesight test indicating rod, which comprises a stainless steel tube, which is characterized in that the stainless steel tube is a sleeve type structure, and one end of the sleeve is provided with a black syringe piston. Compared with the prior art, the utility model has the advantages of reasonable structural design, convenient use, etc. the utility model can be compressed in a storage box under the eyesight table at ordinary times. Because one end of the sleeve is provided with an elastic black syringe piston, the utility model has the advantages of obvious resolution and small percussion sound, and can prolong the service life of the visual acuity meter when viewing vision. The utility model relates to an ideal vision test indicating device, which can be widely used in clinic.
【技术实现步骤摘要】
【技术保护点】
一种视力测试指示杆,它包括不锈钢管,其特征是所说不锈钢管为套管式结构,套管的一端套装黑色注射器活塞。
【技术特征摘要】
【专利技术属性】
技术研发人员:孙承美,高广艳,杨鲲鹏,
申请(专利权)人:孙承美,
类型:实用新型
国别省市:37[中国|山东]
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