Diffusion Tensor Imaging of the Optic Nerve in Multiple Sclerosis: Association with Retinal Damage and Visual Disability ======================================================================================================================== * S.A. Smith * Z.R. Williams * J.N. Ratchford * S.D. Newsome * S.K. Farrell * J.A.D. Farrell * A. Gifford * N.R. Miller * P.C.M. van Zijl * P.A. Calabresi * D.S. Reich