“…Because of the fact that such difficulties can be distracting for dyslectics, interaction design of systems for dyslexia has to be focused on fulfil these functionalities. On the other hand, the studies of Rello et al [14], [15], [16], Santana et al [17], Rello & Barbosa [18], and Rello & Baeza-Yates [19], [20] focused on user interface design-parameters. The recommended design-parameters allow users to highlight content of texts, adjust the size and type of fonts, the alignment of a text, the spacing of characters, the fore-and background colours, the length of texts, and its borders.…”