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A超角膜测厚仪和Pentacam系统测量散瞳前后角膜中央厚度的比较

金玉梅,  艾凤荣,  罗岩,  李莹

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文章导航 > 协和医学杂志  > 2013 >  4(4): 429-432
金玉梅, 艾凤荣, 罗岩, 李莹. A超角膜测厚仪和Pentacam系统测量散瞳前后角膜中央厚度的比较[J]. 协和医学杂志, 2013, 4(4): 429-432. doi: 10.3969/j.issn.1674-9081.2013.04.017
引用本文: 金玉梅, 艾凤荣, 罗岩, 李莹. A超角膜测厚仪和Pentacam系统测量散瞳前后角膜中央厚度的比较[J]. 协和医学杂志, 2013, 4(4): 429-432. doi: 10.3969/j.issn.1674-9081.2013.04.017
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Yu-mei JIN, Feng-rong AI, Yan LUO, Ying LI. Comparison of Central Corneal Thickness Before and After Mydriasis Measured with A-ultrasound Pachymetry and Pentacam Scheimpflug System[J]. Medical Journal of Peking Union Medical College Hospital, 2013, 4(4): 429-432. doi: 10.3969/j.issn.1674-9081.2013.04.017
Citation: Yu-mei JIN, Feng-rong AI, Yan LUO, Ying LI. Comparison of Central Corneal Thickness Before and After Mydriasis Measured with A-ultrasound Pachymetry and Pentacam Scheimpflug System[J]. Medical Journal of Peking Union Medical College Hospital, 2013, 4(4): 429-432. doi: 10.3969/j.issn.1674-9081.2013.04.017
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A超角膜测厚仪和Pentacam系统测量散瞳前后角膜中央厚度的比较

doi: 10.3969/j.issn.1674-9081.2013.04.017

  • 中国医学科学院 北京协和医学院 北京协和医院眼科, 北京 100730

详细信息
    通讯作者:

    李莹 电话:010-69151668, E-mail:liyingpumch@sohu.com

  • 中图分类号: R772.2

Comparison of Central Corneal Thickness Before and After Mydriasis Measured with A-ultrasound Pachymetry and Pentacam Scheimpflug System

  • Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China

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    摘要
  • 摘要:   目的  比较应用A超角膜测厚仪和Pentacam三维眼前节分析系统测量的散瞳前后角膜中央厚度的差异。  方法  2011年8月至11月北京协和医院成人屈光不正患者65例(130眼), 均先后应用Pentacam三维眼前节分析系统和A超角膜测厚仪进行散瞳前后角膜中央厚度的测量, 散瞳剂采用复方托吡卡胺滴眼液。  结果  A超角膜测厚仪测量的散瞳前后角膜中央厚度值分别为(536.70±39.60)和(548.31±39.22)μm, 散瞳后的测量值明显高于散瞳前(P=0.000);Pentacam三维眼前节分析系统测量的散瞳前后角膜中央厚度值分别为(539.57±39.73)和(545.99±39.47)μm, 散瞳后的测量值亦明显高于散瞳前(P=0.000)。两种方法散瞳前角膜中央厚度的测量值比较, Pentacam三维眼前节分析系统测量值明显高于A超角膜测厚仪(P=0.000);而两种方法散瞳后的测量值比较, 差异无统计学意义(P=0.081)。  结论  散瞳后角膜中央厚度测量值较散瞳前略有增加, 故散瞳前测量值更能准确、真实地反映角膜中央厚度, 有助于为角膜屈光手术方式的选择和手术安全性评价提供参考。
    Abstract:   Objective  To compare the difference of central corneal thickness (CCT) before and after mydriasis measured with A-ultrasound pachymetry and Pentacam three-dimensional anterior segment analysis system.  Methods  From August 2011 to November 2011, the CCT of 130 eyes from 65 adult patients with myopia in Peking Union Medical College Hospital were measured with A-ultrasound pachymetry and Pentacam Scheimpflug system before and after mydriasis using compound tropicamide eye drops.  Results  The CCT values obtained with A-ultrasound pachymetry before and after mydriasis were (536.70±39.60)μm and (548.31±39.22)μm, respectively. The value after mydriasis was significantly higher than that before mydriasis (P=0.000). The CCT values obtained with Pentacam three-dimensional anterior segment analysis system before and after mydriasis were (539.57±39.73)μm and (545.99±39.47)μm, respectively. The value after mydriasis was also significantly higher than that before mydriasis (P=0.000). CCT value obtained with Pentacam three-dimensional anterior segment analysis system was significantly higher than A-ultrasound pachymetry before mydriasis (P=0.000); however, there was no significant difference in CCT between the two methods after mydriasis (P=0.081).  Conclusions  Values of CCT measured after mydriasis are higher than before mydriasis. Therefore, the values of CCT measured before mydriasis may be more accurate, which can help to provide a better option for choosing operative methods and evaluating the safety of refractive surgery.
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    • 参考文献(12)
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出版历程
  • 收稿日期:  2012-10-30
  • 刊出日期:  2013-10-30

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