Vernal keratoconjunctivitis

Vernal keratoconjunctivitis (VKC, also Spring catarrh, Vernal catarrh or Warm weather conjunctivitis) is a recurrent, bilateral, and self-limiting type of conjunctivitis (pink eye) having a periodic seasonal incidence. == Types == Corneal involvement in VKC may be primary or secondary due to extension of limbal lesions.