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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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Muscle to be affected commonly in thyroid ophthalmopathy is:
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The correct answer is  Ans. B: Inferior rectus In moderate active thyroid ophthalmopathy, the signs and symptoms are persistent and increasing and include myopathy. The inflammation and edema of the extraocular muscles lead to gaze abnormalities. The inferior rectus muscle is the most commonly affected muscle and patient may experience veical diplopia on upgaze and limitation of elevation of the eyes due to fibrosis of the muscle.