Long-term visual acuity in patients with optic pathway glioma treated during childhood with up-front BB-SFOP chemotherapy-Analysis of a French pediatric historical cohort. oleh Josué Rakotonjanahary, Nicolas Gravier, Julien Lambron, Emilie De Carli, Frédérique Toulgoat, Matthieu Delion, Isabelle Pellier, Xavier Rialland