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Mean Age and Visual Acuity (Trained Eye, Measured with Bailey-Lovie Chart) before Training for Each Training Group
| Group/Trained Task | Mean Age (±SD) | Mean Visual Acuity before Training (±SD) |
|---|---|---|
| Normal | ||
| Letter acuity | 24 (3) | −0.08 (0.09) |
| Letter contrast | 26 (5) | −0.04 (0.08) |
| Grating acuity | 25 (4) | −0.08 (0.07) |
| Grating contrast | 25 (3) | −0.04 (0.10) |
| Amblyopic | ||
| Letter acuity | 38 (10) | 0.50 (0.50) |
| Letter contrast | 38 (14) | 0.64 (0.38) |
| Grating acuity | 43 (10) | 0.50 (0.28) |
| Grating contrast | 42 (14) | 0.67 (0.21) |
