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    Cornea/External Disease

    Primary herpes simplex ocular infection presents as a unilateral or bilateral blepharoconjunctivitis with watery discharge skin vesicles on the lids and enlarged preauricular lymph nodes. At the time of the primary systemic herpes simplex infection the virus gains access to the central nervous system where it resides in the trigeminal ganglia. Reactivation of the virus leads to recurrent outbreaks of the hermetic lesions.