Table 1.
Pre-operative characteristics
| Number of patients (eyes) | 15 (16) |
|---|---|
| Age range, years (Mean ± SD) | 8–56 (23.5 ± 14.1) |
| Sex, n (%) | Male 14 (100%) |
| Side, n (%) | |
| Right | 5 (31%) |
| Left | 11 (69%) |
| Cause of injury, n (%) | |
| Gunshot pellet | 11 (69%) |
| Hammering metal | 2 (13%) |
| Explosive shrapnel | 2 (13%) |
| Metal rod | 1 (6%) |
| Type of injury, n (%) | |
| Penetrating + IOFB | 9 (56%) |
| Penetrating no IOFB | 1 (6%) |
| Perforating | 5 (31%) |
| Perforating + penetrating + IOFB | 1 (6%) |
| Entry site, n (%) | |
| Zone 1 | 7 (41%) |
| Zone 2 | 9 (53%) |
| Zone 3 | 1 (6%) |
| Main impact/exit site, n (%)—All zone 3 | |
| Anterior to equator | 4 (24%) |
| Equatorial | 3 (18%) |
| Posterior to equator | 10 (59%) |
| Damage to macula | 6 (38%) |
| Foreign body type, n (%) | |
| Pellet (2.5 mm) | 12 (71%) |
| Metal 3 × 3 mm | 1 (6%) |
| Metal 10 × 3 | 1 (6%) |
| Metal 4 × 2 mm | 1 (6%) |
| Metal 8 × 3 mm | 1 (6%) |
| Non-retained wire | 1 (6%) |
| BCVA, n (%) | |
| LP | 4 (25%) |
| HM | 10 (63%) |
| CF | 1 (6%) |
| 20/400 | 1 (6%) |
| Mean LogMAR ± SD | 3.08 ± 0.72 |
| OTS raw points: range (Mean ± SD) | 35–80 (59.0 + /−12.9) |
| Anterior segment findings, n (%) | |
| Iris trauma | 10 (63%) |
| Hyphaema | 3 (19%) |
| Hypopyon | 1 (6%) |
| Cataract | 5 (31%) |
| Lens status, n (%) | |
| Phakic | 13 (81%) |
| Pseudophakic | 2 (13%) |
| Aphakic | 1 (6%) |
| Vitreous status, n (%) | |
| Mild vitreous haemorrhage | 2 (13%) |
| Moderate vitreous haemorrhage | 3 (19%) |
| Severe vitreous haemorrhage | 10 (63%) |
| Vitritis | 1 (6%) |
| Subretinal haemorrhage, n (%) | |
| Limited around impact / exit site | 5 (31%) |
| Less than 1 quadrant | 6 (38%) |
| 1–2 quadrants | 4 (25%) |
| More than 2 quadrants | 1 (6%) |
| Submacular haemorrhage | 5 (31%) |
| Retinal detachment, n (%) | |
| Total | 1 (6%) |
| Macula-on | 2 (13%) |
| Macula-off | 2 (13%) |
IOFB intraocular foreign body, BCVA best corrected visual acuity, LP light perception, HM hand motion, CF counting fingers, OTS ocular trauma score, SD standard deviation, LogMAR logarithm of the minimum angle of resolution