This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-ophthalmology, Subject name: Ophthalmology
[{'content': 'A person has defective blue colour appreciation. His condition is better named as - \nSelect and explain. \nA. Deuteranomalous, B. Deuteranopia, C. Tritanopia, D. Tritanomalous', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Anomaly : defective color perception Anopia : color perception absent Trit : blue Prot: red Deutr: green Ref:AK Khurana 4thE pg 303.', 'role': 'assistant'}]