a funny crazy video of gay christophe tixier the fire eater edinburgh. br Dyslexia is a learning disorder that manifests itself primarily as a difficulty with reading and spelling. It is separate and distinct from reading difficulties resulting from other causes, such as a non-neurological deficiency with vision or hearing, or from poor or inadequate reading instruction. It is estimated that dyslexia affects between 5 to 17 of the U.S. population. br Although dyslexia is thought to be the result of a neurological difference, it is not an intellectual disability.