PF-06372865 in Subjects With Photosensitive Epilepsy

Inclusion Criteria: * A diagnosis and history of photoparoxysmal response on electroencephalogram (EEG) with or without a diagnosis of epilepsy for which subjects are taking up to 0 - 2 concomitant antiepileptic drugs. * Subjects currently taking antiepileptic drug(s) to be on a stable dose for 4 weeks prior to Screening Visit. * A minimum average standardized photosensitive range (SPR) across all screening timepoints of 4 in the most sensitive eye condition and a non-zero average in at least one other eye condition. Exclusion Criteria: * Subjects with a history of status epilepticus. * Subjects who have experienced a generalized tonic-clonic convulsion in the past 6 months, at the time of the initial screening visit.