Right trochlear nerve palsy can lead to all except:
(A) Diplopia on upward gaze and adduction (B) Right head tilt (C) Exotropia (D) Hyperopia
(B) Ans: B. Right head tilt(Ref. Yanoff and Duker 4/e p1228)Right trochlear nerve palsy:Accompanied by compensatory contralateral head tilt (left head tilt), not right head tilt.Signs:Classical sign of unilateral fouh nerve palsy is contralateral head tilt (an 'ocular' toicollis).Exhibited by most patients & usually sole presenting sign in children.Non-ophthalmological causes also considered.Presents with veical diplopia.Torsional diplopia - Due to ocular cyclotorsion accompanies veical diplopia in acquired fouh nerve palsy.