| Measure | VLBW | Controls | P value | |
| <1000 g (n=68) | ≥1000 g (n=182) | (n=100) | ||
| (C) VLBW by birth weight (<1000 g) vs controls | ||||
| % Rating eyesight as good or excellent (with glasses, contacts) | 83.8 | 87.9 | 91 | NS |
| % Worried about eyesight | 33.8 | 25.3 | 28 | NS |
| Mean (SD) difficulties with everyday activities score (other than driving, due to eyesight) | 15.1 (10.2) | 12.4 (4.2) | 11.7 (1.5) | 0.001 |
| % Who drive a car* | 76.5 | 79.7 | 96 | 0.001 |
| Mean driving difficulties score (due to eyesight)† | 4.3 (2.1) | 3.7 (1.4) | 3.5 (1.0) | 0.002 |
*The difference in the percentage who drive a car is largely attributable to factors other than vision problems including cognitive impairment or physical disability.
†Limited to drivers only (VLBW n=196, controls n=96).
ROP, retinopathy of prematurity; VLBW, very low birthweight.