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Font conditions and sizes.
| Font condition (f) | Font size (logMAR) |
|---|---|
| 1 | 1.5 |
| 2 | 1.4 |
| 3 | 1.3 |
| 4 | 1.2 |
| 5 | 1.1 |
| 6 | 1.0 |
The variable f is used in the formulas for reading accuracy α, reading speed β, and reading acuity γ described in the Methods Section. The largest font that allowed the MNREAD sentences to properly fit on the monitor as three lines had an x height of 2.9 cm, corresponding to logMAR 1.5 at the viewing distance of 65 cm.
