使用压平式眼压计对曾接受准分子激光原位角膜磨镶术（LASIK）的患者进行眼压测量。
Intraocular pressure measurement in patients with previous LASIK surgery using pressure phosphene tonometer.
作者信息
Cheng Arthur C K, Leung Dexter Y L, Cheung Eva Y Y, Fan Dorothy S P, Law Ricky W K, Lam Dennis S C
机构信息
Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, University Eye Center, Hong Kong Eye Hospital, Hong Kong, China.
出版信息
Clin Exp Ophthalmol. 2005 Apr;33(2):153-7. doi: 10.1111/j.1442-9071.2005.00988.x.
PURPOSE
To compare intraocular pressure (IOP) assessment in post-LASIK patients using non-contact tonometry, pressure phosphene tonometry and applanation tonometry.
METHODS
Sixty-two consecutive LASIK patients were analysed preoperatively and postoperatively with non-contact, pressure phosphene and applanation tonometry. Comparisons among these values were assessed with paired sample Student t-test, Pearson's correlation test and Bland-Altman plotting.
RESULTS
There was no significant difference for preoperative IOP measurement between non-contact, pressure phosphene and applanation tonometry. The mean +/-SD difference between the preoperative non-contact tonometry and postoperative pressure phosphene tonometry IOP measurements was 0.80 +/- 2.77 mmHg (P < 0.01). Postoperative applanation tonometry significantly underestimated IOP measurement by 5.45 +/- 2.96 mmHg (P < 0.001) and postoperative non-contact tonometry significantly underestimated IOP measurement by 9.96 +/- 2.25 mmHg (P < 0.001).
CONCLUSION
Pressure phosphene tonometry may provide an alternative method for the assessment of IOP in post-LASIK patients.
目的
比较在准分子激光原位角膜磨镶术（LASIK）术后患者中使用非接触眼压计、压平式眼压计和压平眼压计测量眼压（IOP）的情况。
方法
对62例连续的LASIK患者在术前和术后分别使用非接触眼压计、压平式眼压计和压平眼压计进行分析。通过配对样本t检验、Pearson相关检验和Bland-Altman绘图对这些数值进行比较评估。
结果
非接触眼压计、压平式眼压计和压平眼压计在术前测量眼压时无显著差异。术前非接触眼压计与术后压平式眼压计测量的眼压平均差值±标准差为0.80±2.77 mmHg（P<0.01）。术后压平眼压计显著低估眼压测量值5.45±2.96 mmHg（P<0.001），术后非接触眼压计显著低估眼压测量值9.96±2.25 mmHg（P<0.001）。
结论
压平式眼压计可为LASIK术后患者眼压评估提供一种替代方法。
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