sunken eyed

/ˈsʌŋkən aɪd/
adjective
  1. Having eyes that appear to be set deeply into the face, often due to tiredness, illness, or age.
    • After three nights without sleep, he looked pale and sunken-eyed.
    • The old photograph showed a sunken-eyed soldier who had endured the war.
    • She was sunken-eyed from the long illness, but her smile was still warm.