noun
or lag·oph·thal·mus ˌlaˌgäfˈthalməs
( -es )
Etymology: New Latin, from Latin & Greek; Latin lagophthalmos person afflicted with lagophthalmos, from Greek lagōphthalmos, adjective, hare-eyed, unable to close the eye, from lagōs hare + ophthalmos eye
: pathological incomplete closure of the eyelids : inability to close the eyelids fully