{ ||Lag`oph*thal"mi*a (?), ||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.