De Quervain's tenosynovitis is usually associated with pain when the thumb is folded across the palm and the fingers are flexed over the thumb as the hand is flexed down toward the little finger away from the involved wrist area.
Double negative. English grammar. A double negative is a grammatical construction occurring when two forms of negation are used in the same sentence. Multiple negation is the more general term referring to the occurrence of more than one negative in a clause.
Double vision, also known as Diplopia, is the simultaneous perception of two images of a single object-the patient sees two images of a single thing either all the time, or some of the time. The displacement may be horizontally, vertically or diagonally.