Not to get all pedantic, but aphasia means difficulty with communication. So "visual aphasia" doesn't make any sense. Still an interesting deficit
Aphasia -Aphasia is an impairment of language, affecting the production or comprehension of speech and the ability to read or write.
(from the National Aphasia Association)
Aphasia -Aphasia is an impairment of language, affecting the production or comprehension of speech and the ability to read or write. (from the National Aphasia Association)