Ideal Line Length for Content (MaxDesign)
CSS Tips and Tricks – User Experience
Is there an ideal line length for content? The ideal line length for text layout is based on the the physiology of the human eye… At normal reading distance the arc of the visual field is only a few inches – about the width of a well-designed column of text, or about 12 words per line. (Article dated: May 3, 2003)
