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
Left sided lateral gaze is affected in lesion of- 
Select and explain. 
A. Right frontal lobe, B. Right occipital lobe, C. Left occipital lobe, D. Left frontal lobe
A: Right frontal lobe
Answer: A: Right frontal lobe 
Explanation: Voluntary horizontal gaze in one direction begins with the contralateral frontal eye field.
If horizontal gaze is affected, the damage may be:-

Cortical center: - Contralateral frontal eye field.
Brainstem center: - Pons (Pontine paramedian reticular) formation.
Cranial nerve nucleus: - Abducens (6th nerve) nucleus.