Zoster Eye Disease Study (ZEDS)

A Multi-Center, Randomized, Double-Masked, Placebo-Controlled Clinical Trial of Suppressive Valacyclovir for One Year in Immunocompetent Study Participants with an Episode of Dendriform Epithelial Keratitis, Stromal Keratitis, Endothelial Keratitis, and/or Iritis Due to Herpes Zoster Ophthalmicus (HZO) in the Year Prior to Enrollment (ZEDS)