vision nedir? vision nedir? The faculty of sight; eyesight: poor vision. Something that is or has been seen.Unusual competence in discernment or perception; intelligent foresight: a leader of vision. The manner in which one sees or conceives of something.A mental image produced by the imagination.The mystical experience of seeing as if with the eyes the supernatural or a supernatural being.A person or thing of extraordinary beauty.To see in or as if in a vision; envision.