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Subjective preference for lighting conditions during reading (number of subjects)
| Temperature | 3,000 K | 4,000 K | 6,000 K | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Intensity | 25 FC | 50 FC | 75 FC | 25 FC | 50 FC | 75 FC | 25 FC | 50 FC | 75 FC |
| G1 | 0 | 0 | 0 | 0 | 2 | 15 | 0 | 1 | 7 |
| G2 | 0 | 0 | 0 | 2 | 8 | 7 | 0 | 4 | 4 |
| CG | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 23 |
Abbreviations: CG, control group; FC, Foot-Candles; G1, Restor group; G2, Panoptix group; K, kelvins.
