Vision screening outcomes in VLBW survivors at age 27–29 years compared with term born controls
| Measure | VLBW (n=229) | Controls (n=100) | P value |
| (A) VLBW vs controls | |||
| Visual acuity (better eye) | |||
| Mean (SD) logMAR score* | −0.017 (0.163) | −0.078 (0.086) | 0.001 |
| % logMAR>0 | 32.8 | 13.0 | 0.001 |
| % logMAR>0.3 | 7.4 | 0.0 | 0.005 |
| Autorefraction (better eye)* | |||
| % myopia (≥0.5 D) | 50.2 | 44.0 | NS |
| % myopia (>2.0 D) | 13.3 | 12.0 | NS |
| % myopia (>5.0 D) | 3.6 | 1.0 | NS |
| % hypermetropia (>2.0 D) | 1.8 | 2.0 | NS |
| % astigmatism (>2.0 D) | 6.2 | 1.0 | 0.04 |
| Contrast sensitivity (better eye) | |||
| Mean (SD) sensitivity* | 1.75 (0.14) | 1.76 (0.13) | NS |
| % Abnormal eye photo*† | 7.5 | 3.2 | NS |
| % Visual impairment (moderate)‡ | 22.7 | 14 | NS |
| % Wear glasses | 24.9 | 30 | NS |