Evaluation of visual evoked potential (VEP) changes in migraine patients

Visual evoked potential (VEP) is one of the most important tests to differentiate migraine from any other headaches. This study was performed to evaluate the changes of VEP in migrainous patients.
In this case- control study, 50 patients with migraine referred to Basir Clinic in Tehran in 2014, were consecutively enrolled and the VEP results in them were determined and compared with 50 healthy subjects.
The mean (± standard deviation) voltage were 5.88±1.87 and 5.08±1.55 microvolt in the case and control groups, respectively (P=0.107). The mean latency of case group was 94.32±7.31 milisecond, while it was 93.08±8.07 milisecod in the control group (P=0.572).
Totally, it is concluded that the recorded waves of VEP in migrainous patients are similar to healthy non migrainous people.