hmm, you're right I got confused by the reference L. Evett and D. Brown. Text formats and web design for visually impaired and dyslexic readers-clear text for all. Interacting with Computers, 17:453–472, 2005. and took it to mean that they recommended Comic Sans for visually impaired readers with dyslexia as well, but it seems they don't have comic sans in the list of fonts they actually tested.