herpes simplex virus keratitis (MONDO_0015288) is a superficial, epithelial Herpesvirus hominis infection of the cornea, characterized by the presence of small vesicles which may break down and coalesce to form dendritic ulcers (keratitis, dendritic). (Dictionary of Visual Science, 3d ed). Also known as: HSV keratitis, Simplexvirus caused keratitis, Simplexvirus keratitis, dendritic keratitis, herpetic keratitis.