Blood pressure, pulse rate, intraocular pressure, and ocular haemodynamic variables for the five measurement cycles during the twelve hours study period. Data are presented as mean (SD)
| 8:00 | 11:00 | 14:00 | 17:00 | 20:00 | |
|---|---|---|---|---|---|
| AU, arbitrary units. | |||||
| Systolic blood pressure (mm Hg) | 125 (12) | 124 (13) | 124 (11) | 125 (11) | 129 (14) |
| Diastolic blood pressure (mm Hg) | 67 (7) | 66 (8) | 65 (7) | 64 (8) | 67 (7) |
| Pulse rate (beats/min) | 71 (11) | 70 (11) | 73 (11) | 71 (11) | 72 (9) |
| Intraocular pressure (mm Hg) | 11.0 (2.9) | 10.5 (2.6) | 12.0 (2.8) | 11.3 (2.8) | 10.3 (1.9) |
| Pulsatile ocular blood flow (μl/min) | 1002 (227) | 1078 (222) | 1054 (225) | 1047 (242) | 1026 (230) |
| Fundus pulsation amplitude (μm) | 4.06 (1.28) | 4.06 (1.34) | 4.09 (1.33) | 4.09 (1.22) | 4.06 (1.29) |
| Peak systolic velocityOA (cm/s) | 53.0 (14.2) | 55.3 (12.2) | 56.8 (14.0) | 53.5 (13.5) | 57.8 (14.0) |
| End diastolic velocityOA (cm/s) | 8.2 (1.8) | 8.4 (1.9) | 8.0 (1.5) | 8.9 (1.8) | 9.3 (1.7) |
| Mean flow velocityOA (cm/s) | 18.8 (4.2) | 19.4 (5.1) | 18.4 (4.2) | 19.1 (4.3) | 19.8 (4.1) |
| RIOA | 0.84 (0.04) | 0.84 (0.04) | 0.86 (0.03) | 0.83 (0.03) | 0.84 (0.03) |
| Peak systolic velocityPCA (cm/s) | 11.6 (2.0) | 11.1 (1.9) | 10.6 (2.0) | 10.9 (1.4) | 10.8 (1.9) |
| End diastolic velocityPCA (cm/s) | 3.5 (0.8) | 3.5 (0.8) | 3.4 (0.9) | 3.2 (0.6) | 3.6 (0.7) |
| Mean flow velocityPCA (cm/s) | 5.5 (0.9) | 5.7 (1.1) | 5.5 (0.8) | 5.4 (0.7) | 5.7 (1.0) |
| RIPCA | 0.69 (0.06) | 0.67 (0.09) | 0.67 (0.09) | 0.70 (0.07) | 0.66 (0.06) |
| FLOW (AU) | 6.8 (1.3) | 7.0 (1.3) | 7.4 (1.5) | 6.5 (1.4) | 6.8 (1.5) |
| VOL (AU) | 0.15 (0.04) | 0.15 (0.04) | 0.16 (0.04) | 0.15 (0.04) | 0.16 (0.04) |
| VEL (AU) | 0.49 (0.08) | 0.49 (0.05) | 0.48 (0.07) | 0.49 (0.08) | 0.50 (0.09) |