Herpesvirus-Associated Visual Impairment: Clinical Features, Etiological Spectrum, and Treatment Outcomes in Consecutive Patients from a Tertiary Neurological Clinic.

Eight patients (61.5%) developed optic neuritis (optic neuritis) secondary to varicella zoster virus infection, and five patients (38.5%) suffered from acute retinal necrosis (acute retinal necrosis), which was caused by varicella zoster virus ( n = 2), HSV-1 ( n = 2), and pseudorabies virus ( n = 1).

Bilateral involvement occurred in 46.2% (6/13) of patients.

At the disease nadir, 46.2% of patients (6/13) presented with no light perception (no light perception).

All patients received antiviral therapy, 11 of whom (84.6%) were treated with intravenous antiviral agents.