redeye

/R EH1 D AY0/
noun
  1. 1

    The names of animals that have red eyes.

  2. 2

    Types of beverages.

  3. 3

    (travel) An overnight airplane flight.

    โ€œI waited too late to book my holiday flight, so I had to take the red-eye.โ€

  4. 4

    Redness of the conjunctiva; especially when caused by conjunctivitis (pink-eye).

  5. 5

    Redness in the eye(s) of someone in a colour photograph, as an unwanted consequence of light from a flash reflecting off blood vessels in the retina.

Source: https://en.wiktionary.org/wiki/red-eye, https://en.wiktionary.org/wiki/redeye