[1] Univ St Etienne, Fac Med, Corneal Graft Biol Engn & Imaging Lab,EA2521, Federat Inst Res Sci & Hlth Engn, St Etienne, France
[2] Univ Hosp, Dept Pathol, St Etienne, France
[3] Univ Hosp, Dept Ophthalmol, St Etienne, France
[4] Inst Univ France, Paris, France