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首页> 外文期刊>Cornea >Differences in corneal anatomy in a pair of monozygotic twins due to continuous contact lens wear.
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Differences in corneal anatomy in a pair of monozygotic twins due to continuous contact lens wear.

机译：由于隐形眼镜的连续佩戴，一对单卵双胞胎的角膜解剖结构存在差异。

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PURPOSETo study the differences in the corneal anatomy in a pair of 31-year-old monozygotic female twins, one of whom has been a contact lens wearer for the past 15 years and the other is a nonwearer.METHODSWe analyzed the corneal thickness and the corneal endothelial cell density of the monozygotic twins and of two age-matched control groups, one made up of non-contact lens wearers (35 eyes of 35 patients; mean age, 29.32 +/- 2.83 years) and the other made up of soft contact lens wearers (30 eyes of 30 patients; mean age, 33.08 +/- 3.72 years; mean duration of contact lens use, 10.62 +/- 4.32 years). Five corneal thickness measurements were carried out with the Orbscan Topography System II. Three consecutive measurements of the corneal endothelial cell density were carried out with the Topcon SP-2000P noncontact specular microscope.RESULTSLower central corneal endothelial cell densities were found in both eyes of the monozygotic contact lens-wearing twin. The greater corneal thickness was shown at superonasal cornea except in the right cornea of the monozygotic contact lens twin. Moreover, significant differences in corneal thickness values were found between the monozygotic twins.CONCLUSIONSThe differences between the monozygotic twins seem to confirm that daily use of soft contact lenses can modify normal corneal anatomy.
机译：目的研究一对31岁单卵双胞胎女性的角膜解剖结构的差异，其中一对在过去15年中一直是隐形眼镜佩戴者，另一个是非佩戴者。方法我们分析了角膜厚度和角膜单卵双胞胎和两个年龄匹配的对照组的内皮细胞密度，一个由非隐形眼镜佩戴者组成（35眼35例;平均年龄为29.32 +/- 2.83岁），另一个由软性接触组成眼镜配戴者（30眼30眼;平均年龄33.08 +/- 3.72岁;平均隐形眼镜使用时间：10.62 +/- 4.32岁）。使用Orbscan地形图系统II进行了五次角膜厚度测量。用Topcon SP-2000P非接触式镜面显微镜连续三次测量角膜内皮细胞密度。结果，戴单卵隐形眼镜的双胞胎两只眼睛的中央角膜内皮细胞密度较低。除单卵隐形眼镜双胞胎的右角膜外，在鼻上角膜显示出更大的角膜厚度。此外，在单卵双胞胎之间发现了角膜厚度值的显着差异。结论单卵双胞胎之间的差异似乎证实了日常使用软性角膜接触镜可以改变正常的角膜解剖结构。

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