Viral conjunctivitis is a highly contagious acute infection of the conjunctiva, usually caused by an adenovirus. Symptoms include irritation, lacrimation, photophobia, and mucous or purulent discharge.
Epidemic hemorrhagic conjunctivitis, or acute hemorrhagic conjunctivitis, is a relatively new phenomenon. The first pandemic of epidemic hemorrhagic conjunctivitis began in 1969 in West Africa
Adenoviral conjunctivitis is an eye disease caused by adenoviruses. Conjunctivitis is usually preceded by damage to the respiratory tract, namely rhinitis, pharyngitis or tonsillitis.
Chlamydial conjunctivitis (paratrachoma) of adults and newborns is distinguished. Epidemic chlamydial conjunctivitis in children and chlamydial conjunctivitis in Reiter's syndrome are observed much less frequently.
Tuberculosis of the conjunctiva can develop with primary infection of the conjunctiva (exogenous route), the transition of inflammation from the skin of the eyelids and the mucous membrane of the lacrimal sac, hematogenous-lymphogenous metastasis from other organs.
Diphtheritic conjunctivitis is usually combined with diphtheria of the nose, pharynx and larynx, but can occur as an isolated disease. Despite the typical picture of diphtheria, no changes are found in the pharynx - the diphtheritic film is localized only on the conjunctiva.
Gonoblenorrhea (acute conjunctivitis caused by gonococcus) is a very serious eye disease. Gonoblenorrhea was especially common in newborns in pre-revolutionary Russia and often resulted in blindness.
Acute epidemic conjunctivitis is a fairly common disease and is observed in almost all countries of the world with a hot climate. Acute epidemic conjunctivitis can manifest itself in the form of seasonal outbreaks in the summer-autumn period and take a severe course.