What is Dyslexia? There are many common misconceptions about dyslexia Its important to know what it is not. Dyslexia has nothing to do with intelligence, laziness, or vision or reading backwards (read more in learn more section “Why Backwards letters?”). So then what is Dyslexia actually it is a neurodevelopment learning disability that primarily affects a person's ability to read, write, and spell accurately and fluently that effects around 20% Of the world has dyslexia while only around 5 to 10 % of them are diagnosed. So what is it like? It makes it difficult to read and process written language. Making things like spelling, decoding words and reading difficult.