This medical field, restored to its pristine truth, pervaded wholly by the gaze, without obstacle and without alteration, is strangely similar, in its implicit geometry, to the social space dreamt of by the Revolution, at least in its original conception: a form homogeneous in each of its regions, constituting a set of equivalent items capable of maintaining constant relations with their entirety, a space of free communication in which the relationship of the parts to the whole was always transposable and reversible.