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【单选题】
角膜的氧供对维持角膜正常生理功能起到重要作用,以下说法错误的是
A.
不同的接触镜配戴方式导致角膜的水肿程度不同
B.
镜片材料对氧通透的能力是决定角膜氧供的重要因素
C.
闭眼时，来自大气的氧供基本中断，而仅能从睑结膜血管、、角血管获取氧
D.
角膜缺氧会导致角膜知觉升高
E.
海拔高度会影响角膜氧供
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