Table 1 Clinical measures of visual function and visual performance in each task.
From: Evaluation of eye movements and visual performance in patients with cataract
Variables | Preoperative | Postoperative | Significance | ||
|---|---|---|---|---|---|
mean ± SD | range | mean ± SD | range |  | |
Visual acuity | |||||
   OD (logMAR) | 0.41 ± 0.24 | 0.10–1.00 | 0.15 ± 0.14 | 0.00–0.50 | Z = −4.15, P < 0.001 |
   OS (logMAR) | 0.48 ± 0.28 | 0.20–1.20 | 0.20 ± 0.21 | 0.00–0.70 | Z = −4.57, P < 0.001 |
LOCS III grading | |||||
   NO, OD | 3.17 ± 0.87 | 2.0–5.0 | / | / | / |
   C, OD | 2.43 ± 0.68 | 1.0–4.0 | / | / | / |
   P, OD | 1.67 ± 0.55 | 0.1–4.0 | / | / | / |
   NO, OS | 3.07 ± 0.83 | 2.0–5.0 | / | / | / |
   C, OS | 2.27 ± 0.91 | 1.0–4.0 | / | / | / |
   P, OS | 1.60 ± 1.16 | 0.1–4.0 | / | / | / |
Visual search task | |||||
   Percentage of correctly identified items (%) | 75.86 ± 16.42 | 33.33–100.00 | 85.19 ± 9.90 | 58.33–100.00 | Z = −1.97, P = 0.049 |
   Average search time (s) | 1.80 ± 0.53 | 0.78–2.82 | 1.27 ± 0.49 | 0.54–2.26 | t = 4.03, P < 0.001 |
Face recognition task | |||||
   Percentage of correctly identified faces (%) | 83.33 ± 23.13 | 16.67–100.00 | 95.24 ± 11.00 | 66.67–100.00 | Z = −2.85, P = 0.004 |
   Average search time (s) | 1.29 ± 0.71 | 0.30–3.12 | 1.05 ± 0.65 | 0.44–1.05 | Z = −1.98, P = 0.048 |
Reading task | |||||
   Reading speed (chars/s) | 4.36 ± 1.65 | 1.80–7.06 | 5.82 ± 1.91 | 2.48–9.00 | t = 6.12, P < 0.001 |