Dyslexia is a language processing issue. Individuals with dyslexia simply process language differently and most of the time they have difficulties connecting letters to the sounds they make. Some notable symptoms include difficulty reading and mixing up letters in a word. There is an estimated 10% of the population has dyslexia. Researchers have mentioned that the numbers could actually be much higher because there are people who are undiagnosed. Everyone who suffers from dyslexia has unique and varying challenges, so designing for dyslexia must be done correctly.