unseeing
adjective
[ ʌnˈsiːɪŋ ]
• with one's eyes open but without noticing or seeing anything.
• "she gazed unseeing across the room"
unsee
verb
• erase the memory of or no longer register (something unpleasant or distasteful that one has seen or noticed).
• "when you realize that she bleached her eyebrows, you really can't unsee it"