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卫生部卫监字(89)第3号文(关于颁发《标准对数视力表》的通知)明确指出:国家标准《标准对数视力表》(GBll533-89)于1990年5月1日起在全国实施,原国内沿用的《国际标准视力表》同时废止。这是我国标准化工作的一项重大措施。视力表是检测视力的常用工具,在卫生保健、眼科临床的视力检测及调查研究方面有着重要作用。我国从1952年起沿用至今的《国际标准视力表》,存在着视标增率不
Ministry of Health Wei Jian Zi (89) No. 3 (on the issue of “standard logarithmic visual acuity chart” notice) clearly states: the national standard “standard logarithmic eye chart” (GBll533-89) on May 1, 1990 Implemented in the country, the original domestic use of “international standard chart” abolished at the same time. This is a major measure for our country’s standardization work. Eye chart is a commonly used tool to detect eyesight, which plays an important role in health care, ophthalmology, vision testing and investigation. Since 1952, our country has been using the “International Standard Eye Chart”, there is the apparent increase rate