Table 2.
Factors affecting visual acuity after traumatic cataract surgery
| n | Final BCVA (logMAR) | p | ||
|---|---|---|---|---|
| Mean ± SD | Median (min–max) |
|||
| Gender (n: 59) | 0.258 | |||
| Female | 17 | 0.84 ± 0.68 | 0.5 (0.22–2) | |
| Male | 42 | 0.6 ± 0.5 | 0.4 (0–2) | |
| Age at injury range (n: 59) | 0.896 | |||
| 0–5 years | 19 | 0.69 ± 0.53 | 0.5 (0–2) | |
| 6–10 years | 29 | 0.68 ± 0.61 | 0.4 (0–2) | |
| 11–15 years | 11 | 0.59 ± 0.48 | 0.5 (0–1.3) | |
| Cause of trauma (n: 61) | 0.601 | |||
| Glass | 11 | 0.57 ± 0.32 | 0.45 (0.22–1.3) | |
| Sharp metals | 17 | 0.36 ± 0.13 | 0.36 (0–0.4) | |
| Wooden objects | 12 | 0.51 ± 0.34 | 0.45 (0–1.3) | |
| Stones | 2 | 0.5 ± 0.42 | 0.5 (0.2–0.8) | |
| Firecracker | 3 | 1.03 ± 0.87 | 0.8 (0.3–2) | |
| Fingernail | 2 | 0.58 ± 0.29 | 0.5 (0.4–0.6) | |
| Blunt trauma | 12 | 0.44 ± 0.41 | 0.26 (0–13) | |
| Not known | 2 | 1 ± 0 | 1 (1–1) | |
| Type of injury (n: 61) | 0.295 | |||
| Open globe | 49 | 0.69 ± 0.55 | 0.45 (0–2) | |
| Closed globe | 12 | 0.58 ± 0.61 | 0.3 (0–2) | |
| Zone of injury (n: 61) | 0.065 | |||
| Zone 1 | 31 | 0.62 ± 0.56 | 0.4 (0–2) | |
| Zone 2 | 13 | 0.9 ± 0.59 | 0.7 (0.3–2) | |
| Zone 3 | 5 | 0.49 ± 0.45 | 0.3 (0–1.3) | |
| Type of surgery (n: 55) | 0.124 | |||
| Lens aspiration | 13 | 0.37 ± 0.36 | 0.31 (0–1) | |
| Lens aspiration + PCIOL | 26 | 0.66 ± 0.58 | 0.4 (0–2) | |
| Lens aspiration + PPV | 5 | 0.86 ± 0.66 | 0.7 (0.4–2) | |
| Lens aspiration + membranectomy + pupilloplasty | 11 | 1.03 ± 0.59 | 1.15 (0.22–2) | |
| Lens aspiration + AV + PC (n: 55) | 0.048 | |||
| Performed | 42 | 0.59 ± 0.46 | 0.4 (0–2) | |
| Not performed | 13 | 0.77 ± 0.63 | 0.5 (0.2–2) | |
| Time of IOL implantation (n: 55) | 0.513 | |||
| Aphakia | 5 | 0.52 ± 0.59 | 0.22 (0–1.3) | |
| Primary | 39 | 0.72 ± 0.57 | 0.5 (0–2) | |
| Secondary | 11 | 0.76 ± 0.72 | 0.4 (0.22–2) | |
| IOL implantation location (n: 55) | 0.335 | |||
| Aphakia | 5 | 0.52 ± 0,59 | 0.22 (0–1.3) | |
| Bag | 19 | 0.56 ± 0.45 | 0.4 (0–1.3) | |
| Sulcus | 21 | 0.83 ± 0.61 | 0.7 (0.22–2) | |
| TSF | 10 | 0.9 ± 0.79 | 0.4 (0.2–2) | |
| IOL type (n: 50) | 0.467 | |||
| 0.467 | ||||
| Single-piece foldable IOL | 31 | 0.58 ± 0.41 | 0.5 (0–1.3) | |
| Three-piece foldable IOL | 19 | 0.88 ± 0.67 | 0.8 (0.22–2) | |
| Time between injury and cataract surgery (n:55) | 0.872 | |||
| < 3 months | 29 | 0.66 ± 0.53 | 0.4(0–2) | |
| > 3 months | 26 | 0.75 ± 0.64 | 0.5(0–2) | |
Mann–Whitney U-test and Kruskal–Wallis tests were used for comparison of the independent predictors related to the final BCVA
BCVA Best corrected distance visual acuity, AV Anterior vitrectomy, PC Posterior capsulotomy, PPV Pars plana vitrectomy, PCIOL Posterior chamber intraocular lens, TSF Trans-scleral fixation