... 斯内伦测视力图 snellen eye chart 视力检查表,斯内伦测视力表 snellen test type; visual acuity test chart 测视 sight ...
双语例句
1
Objective to develop a kind of intelligent visualacuitytestchart for the subject to test their visualacuity by themselves.
目的研制一种智能视力表，实现被检测者自助检测视力。
2
Visualacuity - As part of the testing, you'll be asked to read letters on a distance chart. This test measures visualacuity, which is written as a fraction such as 20/40.