This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proptosis, Enophthalmos, Developmental Anomalies, Subject name: Ophthalmology
[{'content': 'Pseudoproptosis is seen in? \nSelect and explain. \nA. High myopia, B. Thyrotoxicosis, C. Orbital proptosis, D. Deep orbital tumour', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) High myopiaRef: Kanski 7/e, chapter 3, Khurana 4/e, p 531, 535', 'role': 'assistant'}]