The state or condition of being eyed; the quality of having eyes or being right-eyed or left-eyed (ocular dominance).
From 'eyed' (adjective, from 'eye') plus '-ness' suffix (from Old English 'nes'). Creates an abstract noun describing visual characteristics.
People have eye dominance like they have hand dominance—you're right-eyed or left-eyed, and it affects aim in sports and aiming. Your 'eyedness' is a real neurological trait.
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