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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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Optic neuritis causes -
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The correct answer is  Visual loss in optic neuritis : Sudden, progressive and profound visual loss. Patients may complain of dull eye ache. Ref:AK Khurana 6thE pg 318