Interesting, my dyslexic sister absolutely swears by Dyslexie (a similar font) and has set her Kindle to use it all the time. I wonder if there are different s

Interesting, my dyslexic sister absolutely swears by Dyslexie (a similar font) and has set her Kindle to use it all the time. I wonder if there are different sub-variants of dyslexia that work on different principles?