Editing Allergic conjunctivitis (section)

====VKC and AKC====
Both [[vernal keratoconjunctivitis]] (VKC) and atopic keratoconjunctivitis (AKC) are chronic allergic diseases wherein eosinophils, conjunctival fibroblasts, epithelial cells, mast cells, and TH2 lymphocytes aggravate the biochemistry and histology of the [[conjunctiva]].<ref name="Ono"/> VKC is a disease of childhood and is prevalent in males living in warm climates.<ref name="Ono"/> AKC is frequently observed in males between the ages of 30 and 50.<ref name="Ono"/> VKC and AKC can be treated by medications used to combat allergic conjunctivitis or the use of steroids.<ref name="Ono"/> Maxwell-Lyons sign, shield ulcer, cobblestones papillae, gelatinous thickening at the limbus, and Horner-Trantas dots are specific features of vernal type.{{citation needed|date=February 2014}}