Mean data on intraocular pressure and ocular pulse amplitude
| Overall | Normal subjects | Glaucoma subjects | p Value | |
| GAT | 14.9±3.6 (7 to 32) | 14.1±3.1 (8 to 21) | 15.6±4.0 (7 to 32) | 0.0001* |
| DCT1 | 17.3±3.9 (10.4 to 33.7) | 16.4±3.2 (11.3 to 26.4) | 18.1±4.1 (10.4 to 33.7) | <0.0001* |
| DCT2 | 16.7±3.7 (8.3 to 35.9) | 15.9±3.1 (8.3 to 25.8) | 17.5±3.9 (10.5 to 35.9) | <0.0001* |
| OPA1 | 3.12±1.31 (0.6 to 7.5) | 3.01±1.19 (0.7 to 6.8) | 3.23±1.41 (0.6 to 7.5) | 0.11 |
| OPA2 | 3.03±1.27 (0.7 to 7.8) | 2.88±1.09 (0.8 to 6.0) | 3.18±1.41 (0.7 to 7.8) | 0.03* |
| DCT1–GAT | +2.39±2.63 (−6.5 to +13.5) | +2.27±2.05 (−4.5 to +9.6) | +2.49±2.75 (−6.5 to +13.5) | 0.45 |
| DCT2–GAT | +1.79±2.55 (−11.2 to +12.1) | +1.79±2.55 (−7.8 to +10.3) | +1.86±2.81 (−11.2 to +12.1) | 0.80 |
| DCT1–DCT2 | +0.59±1.55 (−3.8 to +11.5) | +0.49±1.49 (−3.8 to +5.5) | +0.63±1.63 (−3.7 to +11.5) | 0.39 |
| OPA1–OPA2 | +0.09±0.72 (−6.1 to +2.5) | +0.13±0.62 (−2.1 to +2.2) | +0.05±0.80 (−6.1 to +2.5) | 0.33 |
DCT1 versus DCT2, p<0.0001 (overall, normals, and glaucomas). OPA1 versus OPA2, p=0.02 (overall), 0.007 (normals) and 0.37 (glaucomas). All data were mean±SD (range), mm Hg.
↵* p≤0.05.
DCT, dynamic contour tonometry; GAT, Goldmann applanation tonometry; OPA, ocular pulse amplitude.