X Benouaich1, L Salmon2, L Mahieu2, V Soler3. 1. Ophthalmology department, L'Union Private Hospital, boulevard de Ratalens, BP 24336, 31240 Saint-Jean, France. 2. Ophthalmology department, hôpital Pierre-Paul-Riquet, University Toulouse Hospital, place du Dr-Joseph-Baylac, 31000 Toulouse, France. 3. Ophthalmology department, hôpital Pierre-Paul-Riquet, University Toulouse Hospital, place du Dr-Joseph-Baylac, 31000 Toulouse, France. Electronic address: vincesoler@yahoo.fr.