lagophthalmos

from WordNet (r) 3.0 (2006)

lagophthalmos
    n 1: abnormal condition in which an eye cannot close completely

from The Collaborative International Dictionary of English v.0.48

Lagophthalmia \Lag`oph*thal"mi*a\, Lagophthalmos
\Lag`oph*thal"mos\, n. [NL. lagophtalmia, fr. Gr. lagw`s hare +
   'ofqalmo`s eye; -- so called from the notion that a hare
   sleeps with his eyes open.] (Med.)
   A morbid condition in which the eye stands wide open, giving
   a peculiar staring appearance.
   [1913 Webster]