A Convenient Ophthalmoscope for Students and Practitioners

zoptr being bilateral, instead of on one side only, is not evep mentioned."IJnilateral herpes"' is the name by which it is sometimes known;and the recognition of the almost invaTiable rule of its attacking but one side of the trunk, extremTlities, or face, is of great diagnostic value in contrasting it with catarrhal or simple herpes, which attacks one or both sides indifferently.In the comparatively few instances on record of bilateral herpes zoster, the eruption, as in the above case, is not on exactly the same level; but the cutaneous nerves attacked on one side are on a higher or lower level than those on the other side.