my wife gets pain in her neck and describes it as someone pushing a golf ball up her artery towards her brain. the pain is so intense it drops her to her knees. she then gets a sharp constant pain just below her ear and in her temporal lobe, with immediate loss of sight. her pupils dialate to light normally, and sometimes she has a bad headache with it. The loss of sight is suddent and complete and has lasted from 3 hours to 8 hrs currently, this has been progressing for the past 4 days, what is it, and what do I do for her.