"Imagine you wake up one morning and can't read. Your eyes work, but the letters on the page have turned into squiggles. They make no sense. Now meet Howard Engel, a writer of detective stories, who has this condition, but amazingly, has found a way to trick his brain to almost read again."
Why am I sharing this (other than that it's interesting?) Because many of us have personal experience with that lexia word, with it's little add-on, dys.
"Those who suffer from "alexia" and "developmental dyslexia" can have similar difficulties, however, "alexia" refers to an acquired reading disability, where reading ability had previously been developed, usually occurring in adulthood conditions, while "developmental dyslexia" refers to developmental reading disability." (link)