optotype

常见例句

• The character recognition threshold or acuity of Chinese characters was measured and compared with English letters and optotype E,by the method of constant stimuli.
  本研究采用恒定刺激法测量汉字的大小辨认阈限(视锐),并与英文字母和视标E进行比较。
• Abstract The character recognition threshold or acuity of Chinese characters was measured and compared with English letters and optotype E, by the method of constant stimuli.
  摘要 本研究采用恒定刺激法测量汉字的大小辨认阈限(视锐)，并与英文字母和视标E 进行比较。
• This new visual picture chart is used for the measurement of visual acuity of 2-3 years old children. Bird, fish, house, scissors, cup, apple, umbrella, flower and duck serve as the test optotype.
  本视力表所用视标为:鸟、鱼、房子、剪子、茶杯、苹果、雨伞、花和鸭子。
• Findings for this experiment showed that the optotype acuity for subjects improved from 20/600 and 20/63 in the amblyopic eyes to 20/125 and 20/40, respectively.Binocular vision was also improved.
  这个实验的发现显示，研究对象的视力表敏锐度，两人的弱视眼分别从 20/600 和 20/63 改善到 20/125 和 20/40，双眼视力也获得改善。
• The E optotype on the chart had 3 limbs of equal length.A regular geometric progression of optotype sizes and distribution was employed to arrange 14 lines with 4 optotypes on each line.
  采用三划等长的E形视标，视标大小及排列采用均匀的几何增率，每行视标数为4个，共14行，每两行视标变化进率为拶而。
• optotype slide
  视力测试幻灯片
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