Clinical and demographic data (mean (SD)) of patients
| Retrobulbar anaesthesia | Subconjunctival anaesthesia | p Values | |
|---|---|---|---|
| No of patients | 23 | 16 | |
| Mean age (years) | 71 (8) | 72 (9) | 0.9 |
| Sex (male/female) | 14/9 | 6/10 | 0.34 |
| Systolic blood pressure before operation (mm Hg) | 175 (27) | 167 (33) | 0.40 |
| Diastolic blood pressure before operation (mm Hg) | 87 (11) | 85 (9) | 0.53 |
| Mean arterial pressure before operation (mm Hg) | 122 (16) | 114 (12) | 0.081 |
| Heart rate before operation | 73 (11) | 74 (11) | 0.60 |
| Visual acuity in logMAR | 0.81 | 0.97 | 0.63 |
| Corresponding metric value | 0.154 | 0.167 | |
| Intraocular pressure (mm Hg) | 16.3 (4.2) | 16.9 (7.6) | 0.73 |