1. Ophthalmology Department, University Hospital, 42000 Saint-Etienne, France
2. Institut Universitaire de France, Boulevard Saint-Michel, 75005 Paris, France
3. Corneal Graft Biology, Engineering and Imaging Laboratory, BiiGC, EA2521, Federative Institute of Research in Sciences and Health Engineering, Faculty of Medicine, Jean Monnet University, 42000 Saint-Etienne, France