Table 2

‚ÄÉMeans (SD) of flow velocities colour (cm/s) assessed by colour Doppler imaging in patients undergoing cataract surgery with retrobulbar anaesthesia

Before surgery (baseline)After retrobulbar anaesthesiaAfter surgery
OA, ophthalmic artery; PSV, peak systolic velocity; EDV, end diastolic velocity; RI, resistive index; CRA, central retinal artery.
*p<0.001 to baseline; **p<0.001 to after anaesthesia.
OA PSV (cm/s)31.83 (7.41)18.09 (5.27)*24.51 96.37)**
OA EDV (cm/s)6.36 (2.28)3.84 (1.59)*6.2 (2.52)**
OA RI0.80 (0.05)0.79 (0.05)0.75 (0.06)
CRA PSV (cm/s)11.61 (1.34)7.36 (1.74)*9.31 (1.6)**
CRA EDV (cm/s)3.00 (0.82)2.14 (0.59)*2.50 (0.56)**
CRA RI0.74 (0.06)0.71 (0.06)0.73 (0.06)
CRV PSV (cm/s)4.95 (0.95)3.34 (1.06)*4.04 (1.05)**
CRV EDV (cm/s)2.74 (0.72)1.94 (0.65)*2.27 (0.64)**