Table 2: Mean Intraocular Pressure and Ocular Pulse Amplitude by Tonometry Type.
-
|
Right Eye n=106 |
Left Eye n=104 |
Mean NCT (mm Hg) |
15.2 +/- 5.4 |
14.7 +/- 3.6 |
Mean DCT (mm Hg) |
19.1 +/- 5.9 |
18.2 +/- 4.1 |
ΔT (mm Hg) |
3.9 +/- 3.2 |
3.5 +/- 3.2 |
Paired t-test NCT versus DCT |
p <.001 |
p <0.001 |
DCT OPA (mm Hg) |
3.0 +/- 1.3 |
3.0+/- 1.3 |
Legend:
NCT = non-contact tonometer.
DCT = dynamic contour tonometer.
ΔT = mean difference in intraocular pressure (DCT – NCT) derived from individual measurements.
OPA = ocular pulse amplitude obtained from DCT.