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 one of the following is the serious complication of degenerative myopia in the eye – \nSelect and explain. \nA. Retinal detachment, B. Vitreous liquification, C. Myopic crescent, D. Posterior staphyloma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Two most serious vision-threatening complications are:-\nMacular degeneration : choroidal neovascularization (CNV) at macula.\na Retinal detachment', 'role': 'assistant'}]