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  • 标题:Intraocular Pressure Measurements Using Dynamic Contour Tonometer After Photorefractive Keratectomy
  • 本地全文:下载
  • 作者:Choi, Hyun Joon ; Kim, Sun Woong ; Kim, Tae Im
  • 期刊名称:Journal of the Korean Ophthalmological Society
  • 印刷版ISSN:0378-6471
  • 出版年度:2008
  • 卷号:49
  • 期号:4
  • 页码:577-582
  • DOI:10.3341/jkos.2008.49.4.577
  • 语种:Korean
  • 出版社:The Korean Ophthalmological Society
  • 摘要:Purpose

    To assess the performance of the dynamic contour tonometer (DCT) in eyes undergoing excimer laser photorefractive keratectomy (PRK).

    Methods

    Intraocular pressure (IOP) was measured in 30 eyes after first time excimer laser PRK pre and three months post operatively using Goldmann applanation tonometer (GAT), noncontact air tonometer (NCT), and the DCT.

    Results

    There was significant correlation between central corneal thickness (CCT) and IOP measurements by GAT and NCT (CCT vs GAT: r2=0.31, p <0.01, CCT vs NCT: r2=0.39, p <0.01). However, the correlation between CCT and IOP measurements by DCT was not significant (CCT vs DCT: r2=0.14, p=0.32). After PRK, the mean change in CCT and IOP measurements using GAT, NCT, DCT were 73.70±26.92 µm (mean±SD), 2.43±2.86 mmHg ( p <0.01), 3.83±2.34 mmHg ( p <0.01) and 0.44±1.51 mmHg ( p =0.125), respectively. The preoperative and postoperative DCT measurements did not differ significantly.

    Conclusions

    The reduction in CCT induced by PRK doesn't appear to influence DCT measurements; therefore, DCT may be better suited over GAT or NCT for monitoring IOP in eyes that underwent refractive surgery.

  • 关键词:Central corneal thickness; Pascal dynamic contour tonometer; Photorefractive keratectomy
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