==External links==* BC Health Guide -- Vernal keratoconjunctivitis* eMedicine -- on Atopic keratoconjunctivitis* eMedicine -- on Epidemic keratoconjunctivitis* a histology slide from the Tree of Life Web Project== References ==
* BC Health Guide — Vernal keratoconjunctivitis* eMedicine — on Atopic keratoconjunctivitis* eMedicine — on Epidemic keratoconjunctivitis* a histology slide from the Tree of Life Web Project