Comparison of people who refused with those who agreed to have trabeculectomy
| Refused surgery | Agreed to surgery | ||
| Number of people | 16 | 15 | |
| Number of eyes | 5 bilateral, 11 unilateral | 4 bilateral, 11 unilateral | |
| Sex | 9 female, 7 male | 9 female, 6 male | |
| Mean age (SD) | 56.73 (9.35) | 56.33 (7.61) | ns |
| Diagnosis | 10 OAG, 6 ACG | 8 OAG, 6 ACG, 1 trauma | |
| Preoperative visual acuity (SD) | |||
| Worse eye | 0.36 (0.30) | 0.23 (0.25) | p=0.20 |
| Better eye | 0.64 (0.32) | 0.49 (0.28) | p=0.18 |
| Preop IOP, right (SD) | 28.0 (8.0) | 29.0 (10.7) | ns |
| Preop IOP, left (SD) | 25.1 (9.8) | 27.1 (10.6) | ns |
| Cup/disc ratio, worse eye | 0.80 + 0.11 | 0.81 + 0.19 | ns |
| Cup/disc ratio, better eye | 0.70 + 0.11 | 0.57 + 0.25 | p=0.06 |
| Field loss one or both eyes (or blind one eye) | 9/16 | 10/15 | ns |
ACG = angle closure glaucoma; OAG = open angle glaucoma.