Snellen Equivalent | Decimal | Corrected distance visual acuity | |||
---|---|---|---|---|---|
Feet 20/ | Meter 6/ | Far 6 m | Intermediate 70 cm | Near 40 cm | |
≥ 16 | ≥4.7 | ≥1.2 | 3 (8.8%) | 3 (8.8%) | 1 (2.9%) |
≥ 20 | ≥6.0 | ≥1.0 | 13 (38.2%) | 8 (23.5%) | 13 (38.2%) |
≥ 30 | ≥9.0 | ≥0.7 | 17 (50%) | 9 (26.5%) | 10 (29.4%) |
≥ 40 | ≥12.0 | ≥0.5 | 1 (2.9%) | 9 (26.5%) | 7 (20.6%) |
≥ 63 | ≥18.9 | ≥0.3 | 0 (0%) | 5 (14.7%) | 3 (8.8%) |
Min. – Max. | −0.08 – 0.22 | −0.10 – 0.49 | −0.10 – 0.49 | ||
GeoMean (LogMar) ± SD. | 0.0 ± 0.07 | 0.0 ± 0.17 | 0.0 ± 0.14 | ||
Median | 0.05 | 0.10 | 0.10 |