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视力检查是一项十分枯燥而又繁重的工作,目前,国内主要还是沿用传统的检测方法,即用一张国际标准视力表,由医务人员指示,被测者逐个辨认视标。这种方法尽管具有成本低廉,简单易行等优点,但却有两个无法避免的缺点:一是医务人员劳动强度大,检测过程中,医务人员每指示一个视标,必须同时记一下该视标的方向及被测者的反应。这一点在大批量的视力检查如招生、招兵过程中尤其突出;二是检查结果不完全可靠,常出现虚假现象。有些视力较差的人为测得一个较好的结果,往往将视力表
Visual acuity examination is a very boring and heavy work, at present, the main domestic or follow the traditional detection methods, that is, with an international standard chart, by the medical staff instructions, the subjects were identified as visual target. Although this method has the advantages of low cost and easy operation, it has two unavoidable disadvantages: firstly, the labor intensity of the medical staff is large; during the testing, when the medical staff instructs a visual target, it must remember the same time The subject’s direction and the respondent’s response. This is particularly true in large-scale visual acuity examinations such as enrollment and recruiting, and secondly, the test results are not completely reliable and often appear to be false. Some people with poor eyesight will often have their eyesight chart measured for a better result