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ThyrotoxicosisWide-eyed staring gaze - “Thyroid stare”. You can see sclera all around cornea. Normally the upper lid covers the upper portion of cornea. Thyroxin potentiates autonomic activity, hence retraction of the upper lid. The thyroid stare has to be distinguished from exophthalmus with infiltrative ophthalmopathy due to grave's disease. |