ABSTRACT Purpose To investigate the seasonal influence on the incidence of uveitis attacks. Methods An ecological study was designed including 731 uveitis attacks in 594 patients diagnosed at the eye… Click to show full abstract
ABSTRACT Purpose To investigate the seasonal influence on the incidence of uveitis attacks. Methods An ecological study was designed including 731 uveitis attacks in 594 patients diagnosed at the eye emergency of a hospital in Madrid between 2014 and 2017. The incidence of uveitis attacks, B27+, and presumed herpetic attacks were calculated, and their correlations with seasonal and environmental variables in the same timeframe were analyzed. The analyzed variables were precipitation, barometric pressure, temperature, humidity, wind speed, global solar radiation, ultraviolet radiation, air pollution components (particulate matter and polluting gases), and the incidence of influenza. Results The incidence of attacks was significantly higher in the winter than in the autumn (p = .025). It showed a significant correlation to the number of rainy days per month (r = 0.612;p = .04), and the average wind speed (r = 0.469;p = .02) after Bonferroni correction. Conclusion Uveitis episodes happened more frequently under rainy and windy conditions. Most factors were not significantly correlated to attacks.
               
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