non-visual
/nɒnˈvɪʒʊ(ə)l/ /nɒnˈvɪzjʊ(ə)l/ /nɒnˈvɪʒ(ʊ)l/adjective
Not visual; not relating to or dependent on vision or sight.
Origin
Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From non- + visual.