1 Department of Ophthalmology, Farhat Hached Hospital, Faculty of medicine, University of Sousse, Avenue Ibn El Jazzar, 4031 Sousse, Tunisia.
2 Department of Ophthalmology, Farhat Hached Hospital, Faculty of medicine, University of Sousse, Avenue Ibn El Jazzar, 4031 Sousse, Tunisia. Electronic address: atf.benabderrazek@gmail.com.
3 Department of Pneumology, Farhat Hached Hospital, Faculty of medicine, University of Sousse, Avenue Ibn El Jazzar, 4031 Sousse, Tunisia.