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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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What is the diagnosis in this 31-year-old woman with gradual bilateral vision loss?
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The correct answer is  Answer C. Marfan's syndromeThe imaging shows posterior dislocation of the lens in both eyes. The most common cause of bilateral ectopia lentis is Marfan's syndrome, the diagnosis in this case.