Table 1. Demographics and preoperative characteristics of subjects with raised IOP following V4 b (n = 19) and V4c ICL (n = 14) implantation.
| Parameter | V4b ICL, Median (Interquartile range)* | V4c ICL, Median (Interquartile range) |
|---|---|---|
| Age (years) | 28 (22,30)* | 23 (22, 28) |
| Right: Left | 15:04 | 9:05 |
| Male: Female | 8:8 | 8:6 |
| Spherical refractive error | -17 (-21, -15)* | -13.5 (-16, -11) |
| Preoperative BCVA | 0.3 (0.1, 0.3)* | 0.2 (0.2, 0.3) |
| Preoperative IOP | 14 (13, 16)* | 14.5 (14, 16) |
| HWW diameter | 11.6 (11.2, 12.2)* | 11.5 (11.4, 12) |
| Preoperative ACD | 3.2 (2.82, 3.27)* | 2.98 (2.9, 3.24) |
| Preoperative CDR | 0.3 (0.3, 0.4)* | 0.3 (0.3, 0.4) |
| Postoperative characteristics | ||
| Time to IOP rise (days) | 15 (1, 24)* | 10 (4, 30) |
| Postoperative highest IOP | 32 (26, 38)* | 27.5 (25, 30) |
| IOP at final follow up | 16 (12,17)* | 14.5 (14, 18) |
| Gonioscopy (postoperative) | ||
| Open angles | 15 (3 eyes had increased TM pigment) | 13 open angles |
| Closed angles | 4 eyes, 3 with pupillary block and one with malignant glaucoma | 1 closed angle |
| Postoperative BCVA | 0.1 (0, 0.2)* | 0.05 (0, 0.2) |
| Follow up (months) | 16.9 (10.4, 25.1)* | 1.25 (0.3, 1.8) |
| No of eyes that needed AGM at last FU | 7 | 3 |
| AGM at last FU (number of eyes) | ||
| 1 AGM | 3 | 3 |
| 2 AGM | 4 |
n: number of subjects; BCVA: Best corrected visual acuity; IOP: intraocular pressure; AGM: Anti-glaucoma medication; FU: Follow up; PI: peripheral iridotomy; YAG: Yttrium Aluminum Garnet; CDR: Cup disc ratio; ACD: Anterior chamber depth; CCT: Central corneal thickness; HWW: Horizontal white to white; IQR: inter quartile range; TM: trabecular meshwork
*represents median with interquarter ranges