Ocular herpes simplex.

H.erpesvirus hominis is a highly successful parasite, having developed a relationship to the host which assures its perpetuation without seriously disturbing the host population. From 50 to 90 per cent of the adult population has neutralizing antibodies to herpes simplex, indicating previous infection, but most of these affected individuals show no clinical manifestation of disease. Ocular herpes may be present either as an initial infection or as a recurrence. The primary lesion of the cornea may be associated with a variety of systemic disturbances, but of more importance is the recurrent or secondary ocular infection which develops in the presence of circulating antibodies. Recurrent herpetic in-