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': 'The parasitic cause of uveitis and Visceral larva migrans is: \nSelect and explain. \nA. Toxocara, B. Amoebiasis, C. Taenia solium, D. Oncocercosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Toxocara', 'role': 'assistant'}]