(intransitive, aviation, travel, colloquial) Often followed by it: to travel on a red-eye (“an overnight airplane flight”).

Shining very brightly and directly at the face so that it is difficult to see because one is blinded by the light. / (figuratively) According to someone's subjective point of view.

Visually pleasing sight; something that is easy on the eye.

(idiomatic) Immediately; instantaneously. / 2007 April 28, Hugh Muir, The Guardian:

plural of bull's eye

plural of black eye

(idiomatic) An event or achievement which is unpleasant for someone, especially for those who considered it impossible or unwelcome; an annoyance.

(chiefly US) An optometrist or ophthalmologist.

Alternative form of eyebolt

(chiefly US, slang, pronunciation spelling, derogatory) Italian, usually in reference to an Italian American or Italian American culture.