Information
Acute infectious conjunctivitis is caused by big number of microorganisms. Gram -positive /pneumococci, staphylococci, streptococci, diphtheria/ and Gram - negative microorganisms /gonococci, bacillus of Koch-Weeks/ are the reasons for bacterial conjunctivitis. This conjunctivitis develops most often in cold, stress or on the background of general lesions. Eye symptoms are: sense of foreign matter in eye, erythema, edema, appearance of secretion /gums/ most often purulent. In severe and prolonged infections, the status could complicate with affection of cornea. The most frequent viruses, causing conjunctivitis, are: herpes virus, adenoviruses, picornaviruses. On contrast to bacterial conjunctivitis, the viral one have longer incubation period, secretion is serous - mucinase, on conjunctiva there are follicles small hemorrhages and are accompanied by general sickness /elevated temperature, increased lymph nodes/. Transient effect on cornea is usual. Paratrachoma chlamydia provoke acute, obstinate conjunctivitis hardly affected by the therapy: conjunctivitis with inclusions in newborn and in adults /basin catarrh/ and lymphogranuloma venerum of Nikola-Favr. Acute non-infectious conjuncitivitis is allergic and such caused by physico-chemical factors /dust, foreign matter/. Acute allergic conjunctivitis is atopic conjunctivitis /in persons with genetic predisposition to allergy/, pollen conjunctivitis /in hay fever/ and conjunctive-corneal damages in skin lesions /syndrome of Stevens - Johns, toxic epidermolysis of Leil, eye pemphigoid, etc./.
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