<prompt> Earliest sign seen in Acoustic neuroma isFacial weaknessUnilateral deafnessReduced corneal reflexCerebellar signs  <response>: The earliest cranial nerve to be involved is the fifth cranial nerve causing reduced corneal sensitivity, numbness, anaesthesia of face. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 125 