WOW- thanks EVERYBODY for your input- I will try the Gold Bond powder, look into the No-bite collar (which looks like a great idea- Star has broken 2 Elizabethan collars running into things), brush her out again, and will check out the hot-spot sites. I read one last night that had some interesting ideas. Star's had antibiotics, steroid shots, & drying agents prescribed by vets on her previous hot spots, so I hope we can get to the bottom of this soon.
I am very happy that today her eye looks a great deal better after a couple days of hot compresses and gentle cleanings- she seems to feel better, too. Thanks again, will let you know what happens.