Dalrymple's sign

（重定向自Dalrymple sign）

Dalrymple's sign is a widened palpebral (eyelid) opening, or eyelid spasm, seen in thyrotoxicosis (as seen in Graves' disease, exophthalmic Goitre and other hyperthyroid conditions), causing abnormal wideness of the palpebral fissure. As a result of the retraction of the upper eyelid, the white of the sclera is visible at the upper margin of the cornea in direct outward stare. It is named after British ophthalmologist, John Dalrymple (1803–1852).

单词	Dalrymple sign
释义	Dalrymple sign 英语百科 Dalrymple's sign （重定向自Dalrymple sign） Dalrymple's sign is a widened palpebral (eyelid) opening, or eyelid spasm, seen in thyrotoxicosis (as seen in Graves' disease, exophthalmic Goitre and other hyperthyroid conditions), causing abnormal wideness of the palpebral fissure. As a result of the retraction of the upper eyelid, the white of the sclera is visible at the upper margin of the cornea in direct outward stare. It is named after British ophthalmologist, John Dalrymple (1803–1852).
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