%D 2015 %T Retinal nerve fibre layer thinning is associated with drug resistance in epilepsy. %N 4 %P 396-401 %V 87 %A S Balestrini %A LM Clayton %A AP Bartmann %A K Chinthapalli %A J Novy %A A Coppola %A B Wandschneider %A WM Stern %A J Acheson %A GS Bell %A JW Sander %A SM Sisodiya %J J Neurol Neurosurg Psychiatry %O This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/ %L discovery1466822 %X Retinal nerve fibre layer (RNFL) thickness is related to the axonal anterior visual pathway and is considered a marker of overall white matter 'integrity'. We hypothesised that RNFL changes would occur in people with epilepsy, independently of vigabatrin exposure, and be related to clinical characteristics of epilepsy.