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单词 keratoconus
释义
keratoconus
noun[U]
medicalspecialized
uk
/ˌke.rə.təˈkəʊ.nəs/us
/ˌker.ə.t̬əˈkoʊ.nəs/
aneyeproblemthatchangestheshapeof thecornea(= thetransparentoutercoveringof theeye)andaffectstheabilitytoseenormally:
圆锥形角膜
Inadvancedcasesof keratoconus, cornealtransplantsurgeryisrequired.严重圆锥形角膜需要做角膜移植。
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(Definition ofkeratoconusfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofkeratoconus

keratoconus
The medical sign is characteristic of advanced cases ofkeratoconusand is caused by the cone-shaped cornea pressing down into the eyelid.
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Keratoconus, a progressive thinning of the cornea, is a common corneal disorder.
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Vector planning also proved advantageous in patients withkeratoconus.
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At early stages, the symptoms ofkeratoconusmay be no different from those of any other refractive defect of the eye.
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He has completed extensive research in the diagnosis and surgical treatment ofkeratoconus, a debilitating eye condition.
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Keratoconuscan cause substantial distortion of vision, with multiple images, streaking and sensitivity to light all often reported by the patient.
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The classic symptom ofkeratoconusis the perception of multiple ghost images, known as monocular polyopia.
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Today they are mainly used for the treatment ofkeratoconus.
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Patient subjective visual function after corneal collagen crosslinking forkeratoconusand corneal ectasia.
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Vertical coma is the most common higher-order aberration in the eyes of patients withkeratoconus.
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Nitrotyrosine is also found in numerous other disease-affected tissues, such as the cornea inkeratoconus.
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The predominant optical aberration of the eye inkeratoconusis the so-called coma.
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A significant risk factor is forme frustekeratoconus, a genetic condition that predisposes the cornea to thinning after surgery.
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Instead of seeing just one point, a person withkeratoconussees many images of the point, spread out in a chaotic pattern.
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Therefore,keratoconusis a contraindication to refractive surgery.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/keratoconus##
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更新时间：2024/12/28 1:46:22