1. From the Laboratory for the Study of Microcirculation, Fernand Widal Hospital, Paris, France; the2Ophthalmology Department, Lariboisie`re Hospital, Paris, France; the
2. From the Laboratory for the Study of Microcirculation, Fernand Widal Hospital, Paris, France; the3Laboratory for Cerebrovascular Research, Centre National de la Recherche Scientifique, University of Paris and Assistance Publique–Ho^pitaux de Paris, Paris,
3. Ophthalmology Department, Pontchaillou Hospital, Rennes, France; and the
4. From the Laboratory for the Study of Microcirculation, Fernand Widal Hospital, Paris, France; the5Ophthalmology Department, Centre Hospitalier Universitaire de Rouen, Rouen, France.
5. Ophthalmology Department, Lariboisie`re Hospital, Paris, France; the
6. From the Laboratory for the Study of Microcirculation, Fernand Widal Hospital, Paris, France; the