In contrast to a regular migraine, a retinal migraine nearly always usually is not hurting once it comes up. Rather, this problem brings on a short-term loss of eye-sight that then almost always hangs around between close to five minutes to half an hour. Typically fewer than 50% of folks who are struggling by reason of chronic migraines experience a true migraine headache during an phase. Only about 25% of of these people suffer aches in advance of or else subsequent to the migraine. Throughout virtually all of the instances, a full but yet transitory lack of eyesight turns up in just 1 of the sufferer’s eyes.