Objective: To provide a visualacuitychart for Chinese low vision patients.
目的：研制一种适合我国眼科临床使用的低视力对数视力表。
2
The standard logarithm visualacuitychart is applicable to general physical examination, enrollment and recruitment and it can also be referred to in clinical research.
标准的视力表箱适用于一般体检，招生、招工等视力测定，临床方面也可参照使用。
3
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.