[The eye as a reference organ for diseases of the nervous system. Simple examination methods for office practice and at the bedside].

The eye is not only for vision. In diseases of the nervous system it can fulfill the task of a diagnostic tool. As a highly developed sensory organ, the eye is affected by disorders of the visual pathways, the pupillo-motor structures or the ocular motor system. Several simple clinical tests are presented which can be performed in practice or at the bedside without any technical equipment.