| http://www.w3.org/ns/prov#value | - The incubation period after exposure is about eight days, at which time there is a sudden onset of acute tearing, foreign body sensation, marked conjunctival diffuse hyperemia, follicular and papillary conjunctival response, photophobia and tender preauricular nodes.The conjunctival involvement may become so severe that the eye develops marks of subconjunctival hemorrhaging, pseudomembranes or tru
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