1 Ophthalmology Department, University Hospital, Saint-Étienne, France.
2 Ophthalmology Department, University Hospital, Saint-Étienne, France; Corneal Graft Biology, Engineering and Imaging Laboratory, BiiGC, EA2521, Federative Institute of Research in Sciences and Health Engineering, Faculty of Medicine, Jean-Monnet University, Saint-Étienne, France.
3 Ophthalmology Department, University Hospital, Saint-Étienne, France; Corneal Graft Biology, Engineering and Imaging Laboratory, BiiGC, EA2521, Federative Institute of Research in Sciences and Health Engineering, Faculty of Medicine, Jean-Monnet University, Saint-Étienne, France. Electronic address: t.garcin@univ-st-etienne.fr.