21.   His eyes roll back in his head.

22.   His eyes rolled up in his head.

23.   His eyes rolled up under hooded lids and his lips worked loosely -- signs of a horse committed to some serious slumber.

24.   His eyes rolled back and he sank.

25.   His back arched and his eyes rolled toward the top of his head.

26.   His tiny face was drawn and emaciated, and his eyes rolling back in his head.

27.   Her unfocused eyes rolled uncontrollably.

28.   His eyes rolled back in his head.

29.   His eyes rolled up into his skull.

30.   His eyes rolled back.