1. UJF-Grenoble 1, Grenoble, France; the 2Department of Ophthalmology, University Hospital, CHU Grenoble, Grenoble, France; the
2. Department of Ophthalmology, Edouard Herriot Hospital, Lyon, France; and the
3. Department of Ophthalmology, Croix-Rousse Hospital, Lyon, France.