This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Lt. sided sixth nerve palsy would lead to: 
Select and explain. 
A. Accommodation paresis of left side, B. Ptosis of left eye, C. Adduction weakness of left eye, D. Diplopia in left gaze
D: Diplopia in left gaze
Answer: D: Diplopia in left gaze 
Explanation: Diplopia in left gaze Diplopia is the chief complaint of the patient with paresis of extrinsic muscle of eye. Diplopia occurs only over that pa of the field of fixation towards which the affected muscle or muscles move the eye. Sixth nerve supplies solely, the Lateral rectus muscle. So its palsy would lead to diplopia in looking leftwards. Signs and symptoms of lateral rectus palsy Esotropia or convergent squint with limitation of movement outwards, - Face is turned towards the paralysed side - Homonymous diplopia on looking to the paralysed side