Comparison of dynamic contour tonometer and Goldmann applanation tonometer
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    Abstract:

    AIM:To evaluate and compare intraocular pressure value measured by the dynamic contour tonometer and Goldmann applanation tonometer after laser in situ keratomileusis (LASIK) operation . METHODS:There were 34 myopic patients (68 eyes ) who received LASIK. Intraocular pressures were measured in the preoperation and postoperative 3 months using Pascal dynamic contour tonometer(PDCT ) and Goldmann applanation tonometer (GAT).Values measured by two methods were compared. Multiple linear correlation analysis was used to find the correlation between GAT, PDCT measurement, corneal curvature and central corneal thickness ( CCT ). RESULTS: After LASIK operation GAT measurement value was lower than that before treatment, and postoperative and preoperative difference in PDCT value was not statistically significant. The curvature of the cornea, CCT and GAT readings showed a linear correlation, but PDCT reading unrelated. CONCLUSION:GAT measurement of the intraocular pressure is lower than the actual value. PDCT intraocular pressure measurement is not affected by the corneal curvature and CCT.

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Xue-Wen Huang, Hai Huang, Xu-Min Wen. Comparison of dynamic contour tonometer and Goldmann applanation tonometer. Guoji Yanke Zazhi( Int Eye Sci) 2012;12(1):174-175

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Publication History
  • Received:September 23,2011
  • Revised:November 30,2011
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