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
[{'content': 'Which is not a part of the pupillary light reflex - \nSelect and explain. \nA. Lateral geniculate body, B. Pre- tectal area, C. Retina, D. Edinger- Westphal nucleus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lateral geniculate body is a part of visual pathway not pupillary reflex. Both visual pathway and pathway for pupillary reflex is same upto optic tract. However, from optic tract, fibres for pupillary reflex do not reach lateral geniculate body; rather they are diverted towards the pretectal nucleus.', 'role': 'assistant'}]