Phase contrast imaging to detect transparent cells in the retinal ganglion cells layer Elena Gofas-Salas, Nathaniel Norberg, Céline Louapre, Ysoline Beigneux, Catherine Vignal Clermont, Michel Paques and Kate Grieve EPJ Web Conf., 266 (2022) 04003 Published online: 13 October 2022 DOI: 10.1051/epjconf/202226604003