Table 3 Correlations between weather report data and symptoms and signs of DED.
From: Seasonal variations in presenting symptoms and signs of dry eye disease in Norway
Air temperature (C°) | Relative air humidity (%) | Hours of sunshine | Wind speed (m/s) | |||||
|---|---|---|---|---|---|---|---|---|
r | P-value | r | P-value | r | P-value | r | P-value | |
Ocular surface disease index | − 0.012 | 0.771 | 0.027 | 0.523 | − 0.041 | 0.360 | − 0.070 | 0.090 |
Dry eye severity level | 0.016 | 0.684 | 0.085 | 0.032 | − 0.076 | 0.084 | − 0.048 | 0.231 |
Tear film breakup time | − 0.013 | 0.750 | − 0.016 | 0.687 | − 0.030 | 0.493 | 0.039 | 0.326 |
Ocular protection index | 0.035 | 0.389 | − 0.009 | 0.824 | 0.016 | 0.717 | − 0.017 | 0.677 |
Schirmer I | − 0.048 | 0.229 | − 0.021 | 0.601 | 0.031 | 0.481 | 0.022 | 0.582 |
Tear meniscus height (% < 0.2 mm) | − 0.115 | 0.004 | − 0.039 | 0.334 | − 0.020 | 0.653 | 0.019 | 0.632 |
Ocular surface staining | − 0.014 | 0.720 | 0.029 | 0.457 | − 0.049 | 0.267 | − 0.014 | 0.727 |
Meibum expressibility | 0.051 | 0.201 | 0.039 | 0.326 | − 0.042 | 0.346 | − 0.012 | 0.768 |
Intraocular pressure | − 0.222 | < 0.001 | − 0.016 | 0.785 | − 0.039 | 0.551 | − 0.141 | 0.015 |
