Acivir Eye Ointment is a 3% concentration antiviral medication specifically formulated to treat herpes simplex keratitis, a common viral infection affecting the eye. It contains acyclovir as its active ingredient, which works by inhibiting the replication and spread of the virus, providing effective relief and promoting healing. This ointment is also marketed under the names Ocuvir and Zovirax, making it a trusted choice for healthcare professionals globally.