Table 2

Normative for the first-VA and the best-VA

Age yo (months)First-VABest-VA
nLogMAR
(95% CI)
Decimal
(95% CI)
nLogMAR
(95% CI)
Decimal
(95% CI)
3 yo
(36–41)
1180.15 (0.14 to 0.17)0.70 (0.67 to 0.72)1200.15 (0.14 to 0.17)0.70 (0.68 to 0.73)
3.5 yo
(42–47)
4530.15 (0.14 to 0.16)0.71 (0.69 to 0.72)4590.14 (0.13 to 0.15)0.73 (0.71 to 0.74)
4 yo
(48–53)
4640.14 (0.13 to 0.14)0.73 (0.72 to 0.74)4650.13 (0.12 to 0.13)0.74 (0.73 to 0.76)
4.5 yo
(54–59)
1150.11 (0.10 to 0.12)0.77 (0.75 to 0.80)1150.11 (0.10 to 0.12)0.78 (0.75 to 0.80)
  • VA of the first-VA and of the best-VA over two assessments; yo, years old; VA, visual acuity.