1743, from Greek ptosis, literally "falling, a fall," also "the case of a noun," nominal derivative of piptein "to fall" (see symptom). In English, especially of the eyelid. Related: Ptotic.
雙語例句
1. To determine the factors causing diplopia and ptosis after cataract extraction.
目的:探討白內(nèi)障術(shù)后復(fù)視及上瞼下垂的機制.
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2. To sum up the etiology, manifestations, diagnosis and surgical techniques of ptosis.
總結(jié)上瞼下垂的病因 、 臨床表現(xiàn) 、 診斷及手術(shù)方法.
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3. Finally, the application of the anatomy in the ptosis surgery is discussed.
討論了上述解剖在上瞼下垂外科中的意義.
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4. Objective To introduce the aponeurotic ptosis and its surgical correcting efficacy.
目的介紹腱膜性上瞼下垂及其手術(shù)矯正的療效.
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5. No signs of iritis, ptosis, or ocular movement limits were found.