<prompt> Blow out orbit is characterized by:DiplopiaTear drop: signForced duction testAll  <response>: A i.e. Diplopia; B i.e. Tear drop sign; C i.e. Forced duction test Blow out fracture is fracture of orbital floor or medial wall Q. It presents with emphysema of lid, subconjunctival ecchymosis, diplopia forced duction test Q due to entrapment of muscle, epistaxis, proptosis, enopthalmos parasthesia in distribution of inferior alveolar nerve. X ray shows tear drop or hanging drop sign Q 