Cherry red spot macula in the context of Tay-Sachs disease - Zarrouki, M; El Yadari, M; Azennoud, S; Harchali, S; El Merrouni, S; Bengarai, W; Belaydi, W; Hajji, Z; Boulanouar, A; Berraho, A (Journal francais d'ophtalmologie, 2017)