In the same way, many cytokines (including IL-1 receptor antagonist, IL-6, IL-8, IFN-γ, and TNF-α) and chemokines (IP-10, MIP-1α, MIP-1β, and RANTES) have been reported to be present in higher concentrations in the vitreous humor of eyes with sarcoidosis than that in those with ERM21,22. Here, IL6 is linked to sarcoidosis.