Claudine Bellerive1, Guy Allaire2, Sonia Callejo3. 1. Department of Ophthalmology, CHU de Québec-Hôpital Saint-Sacrement, Université Laval, Québec, Que. Electronic address: claudine.bellerive.1@ulaval.ca. 2. Department of Ophthalmology, CHUM-Hôpital Notre-Dame, Université de Montréal, Montréal, Que. 3. Department of Ophthalmology, CHUM-Hôpital Notre-Dame, Université de Montréal, Montréal, Que; Department of Ophthalmology, McGill University, Montréal, Que.