VKC is more common in males and tends to resolve with pubertal development. Clinical observation was not followed by an investigation that clarified whether there is a correlation between the hormonal pattern and the evolution of the disease, in particular it is not defined whether there is a correlation between the hormonal pattern and the resolution of the disease. This study aims to evaluate the hormonal pattern in patients with VKC and, in particular, the possible role of these hormones in the resolution of this condition in puberty.
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To assess the difference in serum total testosterone levels between the population of subjects with active VKC and the population of subjects with resolved VKC.
Timeframe: All subjects enrolled between April 2021 and October 2021 undergo a venous blood sample for the determination of plasma testosterone. This withdrawal is made in the morning, between 8.30 and 9.30 am, in a single determination at the time of enrollment.