BDNF and pathologic nystagmus: In a recent study, we showed that extraocular muscles removed at the time of surgery from children with idiopathic nystagmus or nystagmus associated with albinism were significantly different from age-matched control extraocular muscles in a number of ways.9 Most germane to the current study was our demonstration that both groups of EOM from subjects with nystagmus had little to no expression of BDNF in the myofibers.