VEP latency of thirty msec or more is normally indicative of retrobulbar neuritis rather then PION [twenty]. PION is more more likely to lead to a discount in amplitude of VEP and is more more likely to be long-lasting and irreversible improvements in comparison with optic neuritis. Be aware that https://andresnyhpx.idblogmaker.com/25939085/pion786-an-overview