optotypes meaning in Chinese

试视力字体

Visual acuity test types - method for correlating optotypes used for non - clinical purposes
视觉灵敏度检验字体.非医院用有关验光字体法
Optics and optical instruments . visual acuity testing . method of correlating optotypes
光学和光学仪器.视觉敏锐度测试.相关的验光字体法
Optics and optical instruments - visual acuity testing - method of correlating optotypes iso 8597 : 1994 , including technical corrigendum 1 : 1995 ; german version en iso 8597 : 1996
光学和光学仪器.视力检测.验光字符设定方法