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The seasonal effects on Intraocular Pressure (IOP) in each defined geographical zone.
| Zone | Magnitude of seasonal effect (dB) |
Date of peak | Statistical significance of magnitude (p) |
|---|---|---|---|
| Atlantic | 0.31 | 25 Jan | <0.001 |
| Central | 0.22 | 10 Feb | <0.001 |
| North | 0.21 | 28 Jan | <0.001 |
| Pacific Northwest |
0.14 | 19 Jan | 0.023 |
| Southeast | 0.25 | 6 Feb | <0.001 |
| West | 0.39 | 4 Feb | <0.001 |
