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Table 4 Effects of age, axial length, corneal curvature, and central corneal thickness on IOP measurement with each tonometera

From: Evaluation of rebound tonometer iCare IC200 as compared with IcarePRO and Goldmann applanation tonometer in patients with glaucoma

Parameter GAT IcarePRO IC200-single IC200-continuous
Coefficient P value Coefficient P value Coefficient P value Coefficient P value
Sitting
 Age 0.022 0.34 −0.022 0.39 −0.0028 0.91 0.029 0.91
 Central corneal thickness 0.024 0.0021 0.028 0.0012 0.028 0.0011 0.031 0.00041
 Corneal curvature 0.29 0.73 0.15 0.87 1.10 0.19 1.21 0.19
 Axial length 0.0031 0.98 0.20 0.21 0.13 0.42 0.13 0.41
Supine
 Age 0.016 0.60 0.0011 0.97 0.015 0.67
 Central corneal thickness 0.025 0.017 0.031 0.014 0.032 0.0097
 Corneal curvature −0.29 0.79 1.21 0.36 1.38 0.30
 Axial length 0.28 0.15 0.072 0.75 0.16 0.48
  1. IOP intraocular pressure
  2. aBoldface type indicates P < 0.05