Allergic Conjunctivitis, also known as perennial allergic conjunctivitis, is related to pollen allergy and giant papillary conjunctivitis. An important gene associated with Allergic Conjunctivitis is HRH1 (Histamine Receptor H1), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. The drugs Pheniramine and Tobramycin have been mentioned in the context of this disorder. Affiliated tissues include eye and skin, and related phenotypes are homeostasis/metabolism and immune system