[How I explore...significance of ophthalmoscopy in patients with arterial hypertension].

The ocular fundus is the only examination which allows a simple and non invasive visualisation of the terminal vascular system. Feature analysis of fundus examination supposes a similar vascular state in the other organs and permits direct diagnostic, prognostic and therapeutic choices. This article will emphasize the value of an ophthalmoscopy examination in patients with arterial hypertension.