Prevalence and risk factors for chalazion in an older veteran population.

Background: Chalazia are common inflammatory eyelid lesions, but their epidemiology remains understudied. This retrospective case-control study examined the prevalence, risk factors and geographic distribution of chalazia in a large veteran population.

Methods: Data on all individuals seen at a Veterans Affairs (VA) clinic between October 2010 and October 2015 were extracted from the VA health database.