本文档提供了一种估算单个字符最小易读字体大小的方法，但不包括 用于文件、产品标签、标志中使用的自发光或反射模式的单词或句子， 并为任何年龄和任何观看条件下的人显示，在这种条件下，观看距离、亮度 对比度是多种多样的。 本文件适用于为任何年龄段的人设计和评估单个字符的易读性 他们的眼睛没有病理性疾病，但不适合患有视力障碍的人，比如 低视力。本申请特别针对但不限于印刷材料的案例 使用固定字体大小的地方。 附录F中给出了该方法对其他语言的适用性。交叉引用: ISO 24502ISO/IEC指南71:2014ISO/TR 22411:2008JIS S 0032:2003ISO 9241-303购买本文件时提供的所有当前修订版均包含在购买本文件中。

This document provides a method for estimating minimum legible font size for single characters, but not for words or sentences, in self-luminous or reflected mode, used in documents, products labels, signs, and displays for people at any age and in any viewing condition in which viewing distance, luminance and contrast are varied. This document applies designing and evaluating legibility of single characters for people at any age who have no pathological disorders in their eyes, but not for people with visual impairments such as low vision. The application is specifically directed to, but not limited to, the cases of printed materials where fixed font size is used. Applicability of the method to other languages is given in Annex F.Cross References:ISO 24502ISO/IEC Guide 71:2014ISO/TR 22411:2008JIS S 0032:2003ISO 9241-303All current amendments available at time of purchase are included with the purchase of this document.