Lee CY, et al. - The connection between blepharitis and metabolic syndrome (MetS) was comprehensively gauged by the authors, by using the Longitudinal Health Insurance Database (LHID) of Taiwan. A prominent link was disclosed between blepharitis with MetS. It could serve as an early sign of MetS. In order to analyze the correlation between blepharitis and MetS, with regard to severity, advanced trials were necessitated.