Investigation of the relationship between climatic elements ‎and pterygium's disease (Case study: Sabzevar)‎

Climate is one of the most influential structural factors of the planet Earth and without a doubt, nature, man and all manifestations of life are affected by climatic conditions on a large scale. Climate, as an old discipline, influences the medical geography of diseases and many other disciplines related to the environment and daily human life. Pterygium is one of the most common eye diseases that is affected by climatic elements. The aim of this study was to investigate the relationship between climatic elements and pterygium's disease in Sabzevar. For this study, the statistics of patients referred to Sabzevar Heshmatieh Hospital during the years 2015 to 2020 who had pterygium disease and also the climatic data of Sabzevar synoptic station have been used. After data collection, ANOVA test and Pearson correlation in SPSS software analyzed the relationship between climatic elements and pterygium disease. The results of this study showed that the monthly correlation of climatic elements, maximum temperature (July and August) and average temperature (August), sundial (June, July and August), average rainfall (August), There are number of rainy days (July), wind speed (August) and maximum wind speed (July and August) with pterygium disease at 95% confidence level. It seems that the climate, which includes a set of different elements such as maximum, average temperature, sundial, rainfall, number of rainy days, wind speed and maximum wind speed that can play an important role in ocular pterygium