Justification for reporting the following typical case of epidemic herpes zoster ophthalmicus lies in the fact that the patient was 5½ years of age. The earliest age at which any patient with this disease had been seen theretofore at the Mayo Clinic was 12 years. The attack occurred on the left side in that instance, and there was no involvement of the nasociliary nerve, nor were there any of the more infrequent complications. It is well known that the disease almost exclusively affects adults, including the aged; however, several cases have been reported in which the patients were children,1 but it is remarkable how few such reports can be found on search of the literature. This is especially note-worthy when one considers the reported clinical evidence associating herpes zoster with chickenpox.2 REPORT OF CASE A white boy 5 years and 6 months of age, of Irish-American descent, was