The typeface that helps dyslexics read (2017) (bbc.com)

I'm happy for those who find it easier to read with this font, but just to note there was a study that showed no indication of this font helping reading speed. The study also notes that most participants preferred the alternate fonts (namely Arial or Times New Roman)

"Dyslexie font does not benefit reading in children with or without dyslexia" - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5934461/

Here's the Dyslexie homepage if you just want to see the font: https://www.dyslexiefont.com/

Also, here's a free alternative: https://opendyslexic.org/