label: Fuchs heterochromic iridocyclitis
label_lc: fuchs heterochromic iridocyclitis
description: Fuchs heterochromic iridocyclitis (FHI) is an ocular disease of unknown etiology occurring in a very small percentage (0.5-6.2%) of uvietis cases, characterized by diffuse iris heterochromia or atrophy, keratic precipitates in the absence of synechiae, and in some cases evolving to glaucoma and vitreous opacities.