Chronic Conjunctivitis is related to conjunctivitis and vernal keratoconjunctivitis. An important gene associated with Chronic Conjunctivitis is IGHE (Immunoglobulin Heavy Constant Epsilon), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. Affiliated tissues include eye, and related phenotypes are homeostasis/metabolism and immune system