The following videos showcases the various user-testings and exercises conducted for the Lexis Regular typeface (which you can view here: http://www.behance.net/gallery/LEXIS-REGULAR-Typeface/8895077)

 

It was done at the Dyslexia Association of Singapore, together with dyslexic individuals as subjects and it also serves to test the effectiveness of Lexis Regular typeface in improving a dyslexic's reading ability and fluency in language skills.