Definition of blears:
(adj) :
(of eyes or vision) Dim; unclear from water or rheum.
(adj) :
Causing or caused by dimness of sight.
(v) :
(transitive) To make (usually the eyes or eyesight) blurred or dim.
(v) :
(transitive, of an image) To blur, make blurry.
(v) :
(intransitive) To be blear; to have blear eyes; to look or gaze with blear eyes.
(v) :
Alternative form of blare [(transitive) (Often followed by out) To play (a radio, recorded music, etc.) at extremely loud volume levels.]