can occur any period of your life time.its basically due to reactivation of virus.this especially happens when your immunity is low or during times of stress
.any from of stress in form of physical or otherwise.since you have mentioned in the past there have been many episodes of it its very likely for it to come again.the more the episodes more is the reccurence.
usually starts with headache/facial pain
some amount of redness
in from of rash on oneside of face follwed by skin erruptions, fever
, bodyache.vision impairement occur later.thsi is usual pattern but can come otherwise.
in your case have you got skin erruptions in from of vesicles? these are very charecteristic.usually recurrent attcks are advised to take prophylaxis for a year following the attack,have you been taking any? each recurrent attack eye affection can be severe.it would be better to take an opinion of ophthalmologist