Conjunctivitis due to exposure to an allergen
Chronic<unk>  is also called vernal conjunctivitis
Allergic conjunctivitis
Viral conjunctivitis
Epidemic keratoconjunctivitis
Bacterial conjunctivitis
Herpes zoster ophthalmicus
Caustic keratoconjunctivitis
Herpes simplex keratitis
Gonorrheal conjunctivitis