Its estimated that up to 15% of people in the UK have some kind of problem with reading, writing or literacy. And many have been diagnosed with dyslexia.
But this is a term which has been described as unscientific and not fit for purpose a psychologist and professor of education at Durham University.
Professor Julian Elliott has written a book that suggesting that the term 'dyslexia' should be abandoned.
The Newcastle based charity Dyslexia North East disagree. They say that being able to diagnose someone with dyslexia opens up the door to much needed help.