Introduction: Many tactile graphics designed for individuals with visual impairments consider single factors. According to the results of our previous study, there may be interactions among scale, representation, and complexity factors. We conducted this integrative study with these three factors. Additionally, for the representation factor, we…

Introduction: Three-dimensional (3D) printing can be used to produce tactile teaching materials for individuals with visual impairments. Although 3D and 2.5D teaching materials are based on realistic content, no systematic conversion model for 2D materials exists. Here, we combined the previous findings and this study's results and technology to…

In the late nineteenth century, Protestant missionaries introduced modern education for the blind people in Taiwan and Korea. They developed various tactile reading systems to enhance literacy and provided handicraft training for self-sufficiency. When these regions came under Japanese colonial rule in the first half of the twentieth century, the…