<unk>  is thought to be an allergic disorder in which IgE mediated mechanism play a role. Such patients often give family history of other atopic diseases such as hay fever, asthma or eczema, and their peripheral blood shows eosinophilia and increased serum IgE levels.
Vernal keratoconjunctivitis
Phlyctenular keratoconjunctivitis
Superior limbic keratoconjunctivitis
Adenoviral keratoconjunctivitis
Ocular larva migrans
Actinic conjunctivitis
Ligneous conjunctivitis
Ocular rosacea